Page 1
EOM
Engineering
Operation &
Maintenance
A2
Original
Metal Pump
™
Where Innovation Flows
www.wildenpump.com
REPLACES WIL-10060- E-02
WI L-100 60 -E - 0 3
Page 2
TABLE OF CONTENTS
SECTION 1 CAUTIONS—READ FIRST! ..............................................1
SECTION 2 WILDEN PUMP DESIGNATION SYSTEM .................................2
SECTION 3 HOW IT WORKS—PUMP & AIR DISTRIBUTION SYSTEM ................3
SECTION 4 DIMENSIONAL DRAWINGS .............................................4
SECTION 5 PERFORMANCE
A2T Metal Rubber-Fitted (T-series Center Section) ..............................9
A2T Metal PTFE-Fitted (T-series Center Section) ................................9
A2P Metal Rubber-Fitted (P-series Center Section) .............................10
A2P Metal PTFE-Fitted (P-series Center Section) ...............................10
SECTION 6 70/30 OPERATING CONDITION
A2T Metal Rubber-Fitted (T-series Center Section) .............................11
A2T Metal PTFE-Fitted (T-series Center Section) ...............................11
A2P Metal Rubber-Fitted (P-series Center Section) .............................11
A2P Metal PTFE-Fitted (P-series Center Section) ...............................11
SECTION 7 SUGGESTED INSTALLATION ...........................................12
Operating Principles ......................................................13
Operation & Maintenance .................................................13
Troubleshooting .........................................................14
SECTION 8 DISASSEMBLY / ASSEMBLY ...........................................15
Reassembly Hints & Tips ..................................................17
SECTION 9 EXPLODED VIEW & PARTS LISTING
A2T Metal
T-series Center Section ...............................................18
A2P Metal
P-series Center Section ...............................................20
SECTION
10
ELASTOMER OPTIONS .................................................22
Electrical Information .....................................................22
Page 3
Section 1
CAUTIONS—READ FIRST!
TEMPERATURE LIMITS:
Polypropylene 0°C to 79°C 32°F to 175°F
PVDF –12°C to 107°C 10°F to 225°F
PFA 7°C to 107°C 20°F to 225°F
Neoprene –18°C to 93°C 0°F to 200°F
Buna-N –12°C to 82°C 10°F to 180°F
EPDM –51°C to 138°C –60°F to 280°F
Viton
®
FKM –40°C to 177°C –40°F to 350°F
Wil-Flex™ –40°C to 107°C –40°F to 225°F
Saniflex™ –29°C to 104°C –20°F to 220°F
Polyurethane –12°C to 66°C 10°F to 150°F
Polytetrafluoroethylene (PTFE)1 4°C to 104°C 40°F to 220°F
Nylon –18°C to 93°C 0°F to 200°F
Acetal –29°C to 82°C –20°F to 180°F
SIPD PTFE
SIPD PTFE
with
Neoprene-backed
with
EPDM-backed –10°C to 137°C 14°F to 280°F
4°C to 104°C 40°F to 220°F
Polyethylene 0°C to 70°C 32°F to 158°F
Geolast
CAUTION: When choosing pump materials, be
CAUTION:
CAUTION: Always wear safety glasses when
®
–40°C to 82°C –40°F to 180°F
1
4°C to 149°C (40°F to 300°F) - 13 mm (1/2") and 25 mm (1") models only.
sure to check the temperature limits for all wetted
components.
Maximum temperature limits are based
upon mechanical stress only. Certain chemicals
will significantly reduce maximum safe operating
temperatures. Consult the Chemical Resistance Guide
for chemical compatibility and temperature limits.
operating pump. If diaphragm rupture occurs,
material being pumped may be forced out air
exhaust.
CAUTION: Before any maintenance or repair is
attempted, the compressed air line to the pump
should be disconnected and all air pressure
allowed to bleed from pump. Disconnect all intake,
discharge and air lines. Drain the pump by turning
it upside down and allowing any fluid to flow into
a suitable container. ghly flushed before installing
into process lines. FDA- and USDA-approved
pumps should be cleaned and /or sanitized before
being used.
CAUTION: Blow out air line for 10 to 20 seconds
before attaching to pump to make sure all pipe line
debris is clear. Use an in-line air filter. A 5µ (micron)
air filter is recommended.
NOTE: Tighten all fasteners prior to installation.
Fittings may loosen during transportation.
NOTE: When installing PTFE diaphragms, it is
important to tighten outer pistons simultaneously
(turning in opposite directions) to ensure tight fit.
NOTE: Before starting disassembly, mark a line
from each liquid chamber to its corresponding air
chamber. This line will assist in proper alignment
during reassembly.
CAUTION: Verify the chemical compatibility of the
process and cleaning fluid to the pump’s component
materials in the Chemical Resistance Guide.
CAUTION: Only explosion proof (NEMA 7) solenoid
valves should be used in areas where explosion proof
equipment is required.
WARNING: Prevent static sparking — If static
sparking occurs, fire or explosion could result.
Pump, valves, and containers must be properly
grounded when handling flammable fluids and
whenever discharge of static electricity is a hazard.
CAUTION: Do not exceed 8.6 bar (125 psig) air
supply pressure.
WIL-10060-E-03
CAUTION: Do not lubricate lube-free pumps.
CAUTION: The A2 pump is not submersible.
3
WILDEN PUMP & ENGINEERING, LLC
Page 4
Section 2
WILDEN PUMP DESIGNATION SYSTEM
A2 METAL
38 mm (1-1/2") Pump
Maximum Flow Rate:
507 lpm (134 gpm)
MATERIAL CODES
AIR SYSTEM BASE TYPE
B = ADAPTER BLOCK
P = PRO-FLO
T = TURBO-FLO™
WETTED PARTS & OUTER PISTON
AA = ALUMINUM / ALUMINUM
HH = ALLOY C / ALLOY C
SS = STAINLESS STEEL / STAINLESS STEEL
CENTER SECTION
AA = ALUMINUM
CC = PTFE-COATED ALUMINUM
NN = NICKEL-PLATED ALUMINUM
PP = POLYPROPYLENE
AIR VALVE
A = ALUMINUM (available on A2T only)
L = ACETAL (available on A2P AND A2B only)
P = POLYPROPYLENE (available on
U = UHMW PE (available on A2B only)
®
A2P AND A2B only)
LEGEND
DIAPHRAGMS
BNS = BUNA-N (Red Dot)
EPS = EPDM (Blue Dot)
FSS = SANIFLEX™ [Hytrel® (Cream)]
NES = NEOPRENE (Green Dot)
PUS = POLYURETHANE (Clear)
TEU = PTFE W/EPDM BACK-UP (White)
TNU = PTFE W/NEOPRENE BACK-UP (White)
TSU = PTFE W/SANIFLEX™ BACK-UP (White)
VTS = VITON® (White Dot)
WFS = WIL-FLEX™ [Santoprene® (Orange Dot)]
VALVE BALL
BN = BUNA-N (Red Dot)
EP = EPDM (Blue Dot)
FS = SANIFLEX™ [Hytrel® (Cream)]
FV = SANITARY VITON® (Two White Dots)
NE = NEOPRENE (Green Dot)
PU = POLYURETHANE (Brown)
TF = PTFE (White)
VT = VITON® (White Dot)
WF = WIL-FLEX™ [Santoprene® (Orange Dot)]
A2 X / X XXX X / XXX / XX / X XX / XXXX
MODEL
AIR VALVE
CENTER SECTION
WETTED PARTS & OUTER PISTON
AIR SYSTEM BASE TYPE
O-RINGS
VALVE SEAT
VALVE BALLS
DIAPHRAGMS
VALVE SEAT
A = ALUMINUM
H = ALLOY C
S = STAINLESS STEEL
VALVE SEAT O-RING
BN = BUNA-N
EP = EPDM (Blue Dot)
FS = SANIFLEX™ [Hytrel® (Cream)]
PU = POLYURETHANE (Brown)
TF = PTFE (White)
WF = WIL-FLEX™ [Santoprene®]
SPECIALT Y
CODE
(if applicable)
SPECIALTY CODES
0100 Wil-Gard II™ 110 V
0102 Wil-Gard II™ Sensor Cables Only
0103 Wil-Gard II™ 2 20V
0206 PFA-coa ted hardware, Wil-Gard II ™ sensor wires onl y
0502 PFA-coated hardware
0520 Ultrapure II, w /Female Connections
0521 Ultrapure II, PFA-coated hardware, w /Female Connections
0522 Ultrapure II, w/Male Bondable Connections
0523 Ultrapure II, PFA-coated hardware, w /Male Bondable Connections
0524 Ultrapure II, w / Wil-Gard II™ 110V, Male Bondable Connections
0525 Ultrapure II, Female Connections, PFA-coated hardware,
Wil-Gard II™ sensor w ires ONLY
05 30 Ultrapure II, w / Wil-Gard II™ 110V, Female Connect ions
05 31 Ultrapure II, Female Connections, Wil-Gard II ™ sensor wires onl y
05 32 Ultrapure II, PFA-coated hardware, w /Wil -Gard II™ 110V,
Male Bondable Connections
NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOTS FOR IDENTIFICATION.
THE THREE ACCU-FLO™ OPTIONS AVAILABLE:
1. AxT: This is the same Accu-Flo™ configuration that has been available from Wilden
since March 1994. An aluminum solenoid valve is attached directly to a T-series center
section and the shaft/inner piston configuration is altered.
2. AxP: This option uses a plastic (polypropylene or acetal) spacer that is assembled
between the Pro-Flo® air valve and the Pro-Flo® center section. The same solenoid
operator – coil assembly that is found on AxT pumps is assembled on the plastic spacer
discussed above for electronic interface. This spacer together with the Pro-Flo® air valve
replaces the aluminum air valve used in the AxT with a more chemically resistant option.
Viton is a registered trademark of DuPont Dow Elastomers.
WILDEN PUMP & ENGINEERING, LLC
05 33 Ultrapure II, PFA-coated hardware,
w/ Wil-Gard II™ 220V, Male Bondable Connections
0560 Split Manifold
05 61 Split Manifold, PFA C oated hardware
056 3 Split Manifold, discharge only
056 4 Split Manifold, Inlet Only
06 03 PFA-coated hardware, Wil-Gard II™ 110V
06 08 PFA-coated hardware, Wil-Gard II™ 22 0V
0612 Ultrapure, PFA-coated hardware, Male Connection
0618 Ultrapure, PFA-coated hardware, w / Wil-Gard II™ 110V,
Male Connections
062 2 Ultrapure, w/Male Connections
06 23 Ultrapure, Adap ter Block, No Muf fler, Male Connections
06 24 Ultrapure, w/Wil-Gard II™ 110 V, Male Connections
06 60 Split Manifold, Wil -Gard II™ 110V
06 61 Split manifold, PFA-coated hardware, Wil-Gard II™ 110V
Spacers will be available in the 1/4”, 1/2”, and 1” sizes. The use of the Pro-Flo® ADS
provides additional flow in most applications (refer to EOM for details). The AxP provides
the Pro-Flo® benefits of lower start-up pressure, reduced blow-by, and increased life.
3. AxB: This option uses an Adapter Block in place of an air valve. A user supplied, 4-way
pneumatic valve must be used in conjunction with this technology. This configuration
enables the solenoid valve to be remotely installed, preventing chemical attack in very
aggressive environments. Adapter Blocks are available for both the T and P-series center
sections in all pump sizes. (See EOM AxB for details.)
Note: The “x” in the above Accu-Flo™ descriptions are used in place of a pump model
size. See Pump Designation System chart above.
4
WIL-10060-E-03
Page 5
Section 3
HOW IT WORKS—PUMP
The Wilden diaphragm pump is an air-operated, positive displacement, self-priming pump. These drawings show the flow pattern
through the pump upon its initial stroke. It is assumed the pump has no fluid in it prior to its initial stroke.
RIGHT STROKE LEFT STROKE RIGHT STROKE
FIGURE 1 When the solenoid is
energized, the air valve directs pressure
to the back side of diaphragm A. The
compressed air is applied directly to the
liquid column separated by elastomeric
diaphragms. The diaphragm acts as a
membrane bet ween the compressed air
and the liquid, balancing the load and
mechanical stress from the diaphragm.
The compressed air moves the diaphragm
away from the center section of the pump.
The opposite diaphragm is pulled in by
the shaft connected to the pressurized
diaphragm. Diaphragm B is on its
suction stroke; air behind the diaphragm
has been forced out to the atmosphere
through the exhaust por t. The movement
of diaphragm B toward the center section
of the pump creates a vacuum within
chamber B. Atmospheric pressure forces
fluid into the inlet manifold forcing the
inlet valve ball of f of its seat. Liquid is
free to move past the inlet valve ball and
fill the liquid chamber (see shaded area).
FIGURE 2 When the solenoid valve is
deenergized, the air valve redirects
pressurized air to the back side of
diaphragm B. The pressurized air forces
diaphragm B away from the center
section while pulling diaphragm A to the
center section. Diaphragm B is now on
its discharge stroke. Diaphragm B forces
the inlet valve ball onto its seat due to the
hydraulic forces developed in the liquid
chamber and manifold of the pump. These
same hydraulic forces lift the discharge
valve ball off of its seat, while the opposite
discharge valve ball is forced onto its seat,
forcing fluid to flow through the pump
discharge. The movement of diaphragm
A toward the center section of the pump
creates a vacuum within liquid chamber
A. Atmospheric pressure forces fluid into
the inlet manifold of the pump. The inlet
valve ball is forced off of its seat allowing
the fluid being pumped to fill the liquid
chamber.
FIGURE 3 Once the solenoid valve is
reenergized the air is directed to the
back side of diaphragm A, which starts
diaphragm B on its exhaust stroke. As
the pump reaches its original starting
point, each diaphragm has gone through
one intake and one discharge stroke.
This constitutes one complete pumping
cycle. The pump may take several cycles
to completely prime depending on the
conditions of the application.
WIL-10060-E-03
5
WILDEN PUMP & ENGINEERING, LLC
Page 6
Section 4
A2T Metal
6 mm (1/4”)
BSP (FNPT)
AIR INLET
25 mm (1”) BSP (FNPT)
LIQUID INLET
DIMENSIONAL DRAWINGS
A
K
L
19 mm (3/4”) BSP (FNPT)
LIQUID DISCHARGE
B
D
E
C
F
G H
J
13 mm
(1/2”) BSP
(FNPT)
AIR
EXHAUST
DIMENSIONS
ITEM METRIC (mm) STANDARD (inch)
A 267 10.5
B 36 1.4
C 137 5.4
D 254 10.0
E 279 11.0
F 28 1.1
G 97 3.8
H 76 3.0
J 191 7.5
K 211 8.3
L 173 6.8
M 107 4.2
N 127 5.0
P 8 0.3
R 33 1.3
M N
P
A2B Metal (T-Series Center Section)
H
G
K
25 mm (1”) BSP (FNPT)
LIQUID INLET
R
19 mm (3/4”) BSP (FNPT)
LIQUID DISCHARGE
A
L
M
6 mm
(1/4”) BSP
(FNPT)
AIR INLET
D
C
B
NSP
FF
E
DIMENSIONS
ITEM METRIC (mm) STANDARD (inch)
A 267 10.5
B 36 1.4
C 130 5.1
D 152 6.0
E 254 10.0
F 279 11.0
G 69 2.7
H 28 1.1
J 76 3.0
K 173 6.8
J
L 211 8.3
M 173 6.8
N 107 4.2
P 127 5.0
R 33 1.3
S 8 0.3
WILDEN PUMP & ENGINEERING, LLC
6
WIL-10060-E-03
Page 7
A2P Metal
DIMENSIONAL DRAWINGS
6 mm
(1/4”) BSP
(FNPT)
AIR INLET
25 mm (1”) BSP (FNPT)
LIQUID INLET
U
V
19 mm (3/4”) BSP (FNPT)
LIQUID DISCHARGE
A
P
R
B
S T
H
G
F
13 mm
(1/2”) BSP
(FNPT) AIR
EXHAUST
DIMENSIONS
ITEM METRIC (mm) STANDARD (inch)
A 267 10.5
B 36 1.4
C 124 4.9
D 254 10.0
E
D
K
E 279 11.0
F 28 1.1
G 53 2.1
H 91 3.6
C
J
J 124 4.9
K 213 8.4
L 76 3.0
L M
N
M 142 5.6
N 229 9.0
P 211 8.3
R 173 6.8
S 107 4.2
T 127 5.0
U 33 1.3
V 8 0.3
A2B Metal (P-Series Center Section)
19 mm (3/4”) BSP (FNPT)
LIQUID DISCHARGE
F
6 mm
(1/4”) BSP
(FNPT)
AIR INLET
25 mm (1”) BSP
(FNPT) LIQUID INLET
P
B
A
K
L
M N
E
D
C
H
G
DIMENSIONS
ITEM METRIC (mm) STANDARD (inch)
A 267 10.5
B 36 1.4
C 145 5.7
D 168 6.6
E 254 10.0
F 279 11.0
G 28 1.1
H 66 2.6
J 173 6.8
K 211 8.3
J
L 173 6.8
M 107 4.2
N 127 5.0
P 33 1.3
R 8 0.3
R
WIL-10060-E-03
7
WILDEN PUMP & ENGINEERING, LLC
Page 8
DIMENSIONAL DRAWINGS
A2T Metal Saniflo FDA
E
38 mm (1-1/2”)
TRI-CLAMP
6 mm
(1/4”) BSP
(FNPT)
AIR INLET
D
C
B
38 mm (1-1/2”)
TRI-CLAMP
S
A
L
M
P
N
DIMENSIONS
G
13 mm
(1/2”) BSP
(FNPT)
AIR
EXHAUST
F
H J
K
ITEM METRIC (mm) STANDARD (inch)
A 267 10.5
B 36 1.4
C 137 5.4
D 254 10.0
E 267 10.5
F 295 11.6
G 41 1.6
H 97 3.8
J 76 3.0
K 191 7.5
L 211 8.3
M 173 6.8
N 107 4.2
P 127 5.0
R 8 0.3
S 43 1.7
R
A2P Metal Saniflo FDA
E
38 mm (1-1/2”)
TRI-CLAMP
6 mm
(1/4”)
BSP
(FNPT)
AIR
INLET
W
38 mm (1-1/2”)
TRI-CLAMP
A
R
S
C
B
T U
J
H
G
DIMENSIONS
ITEM METRIC (mm) STANDARD (inch)
A 267 10.5
B 36 1.4
C 124 4.9
13 mm
(1/2”) BSP
(FNPT)
F
D
AIR
EXHAUST
D 254 10.0
E 267 10.5
F 295 11.6
G 41 1.6
H 53 2.1
L
J 91 3.6
K
K 124 4.9
L 213 8.4
M 76 3.0
M N
P
N 117 4.6
P 203 8.0
R 211 8.3
S 173 6.8
T 107 4.2
U 127 5.0
V 8 0.3
W 43 1.7
V
WILDEN PUMP & ENGINEERING, LLC
8
WIL-10060-E-03
Page 9
Section 5
[Nm3/h]
[LPM]
[Nm3/h]
[LPM]
PERFORMANCE
A2T METAL
RUBBER-FITTED
Height .................................. 279 mm (11.0")
Width ................................... 267 mm (10.5")
Depth .................................... 191 mm (7.5")
Est. Ship Weight ...........
Air Inlet ...................................... 6 mm (1/4")
Inlet ............................................ 25 mm (1")
Outlet ......................................19 mm (3/4")
Suction Lift ...................... 7.25 m Dry (23.8')
Disp. per Stroke ............... 0.33 L (0.087 gal)
Max. Flow Rate ................. 102 lpm (27 gpm)
Max. Size Solids .....................3.2 mm (1/8")
1
Displacement per stroke was calculated at 4.8 bar
(70 psig) air inlet pressure against a 2 bar (30 psig)
head pressure.
Example: To pump 37.9 lpm (10 gpm)
against a discharge head pressure of 2.7 bar
(39 psig) requires 4.1 bar (60 psig) and 17.9
3
Nm
/h (10.5 scfm) air consumption. (See dot
on chart.)
Caution: Do not exceed 8.6 bar (125 psig) air
supply pressure.
Aluminum 12 kg (26 lb)
Stainless Steel 16 kg (36 lb)
Alloy C 18 kg (40 lb)
8.66 m Wet (28.4')
1
Flow rates indicated on chart were determined by pumping water.
For optimum life and performance, pumps should be specified so that daily operation parameters
will fall in the center of the pump’s performance curve.
A2T METAL
PTFE-FITTED
Height .................................. 279 mm (11.0")
Width ................................... 267 mm (10.5")
Depth .................................... 191 mm (7.5")
Est. Ship Weight ...........
Air Inlet ...................................... 6 mm (1/4")
Inlet ............................................ 25 mm (1")
Outlet ......................................19 mm (3/4")
Suction Lift ...................... 4.85 m Dry (15.9')
Disp. per Stroke ............... 0.15 L (0.039 gal)
Max. Flow Rate ................... 68 lpm (18 gpm)
Max. Size Solids .....................3.2 mm (1/8")
1
Displacement per stroke was calculated at 4.8 bar
(70 psig) air inlet pressure against a 2 bar (30 psig)
head pressure.
Example: To pump 37.9 lpm (10 gpm) against
a discharge pressure head of 1.03 bar (15
psig) requires 4.1 bar (60 psig) and 21.3
3
Nm
/h (12.5 scfm) air consumption. (See dot
on chart.)
Caution: Do not exceed 8.6 bar (125 psig) air
supply pressure.
Aluminum 12 kg (26 lb)
Stainless Steel 16 kg (36 lb)
Alloy C 18 kg (40 lb)
8.66 m Wet (28.4')
1
Flow rates indicated on chart were determined by pumping water.
For optimum life and performance, pumps should be specified so that daily operation parameters
will fall in the center of the pump’s performance curve.
WIL-10060-E-03
9
WILDEN PUMP & ENGINEERING, LLC
Page 10
PERFORMANCE
[Nm3/h]
[LPM]
[Nm3/h]
[LPM]
A2P METAL
RUBBER-FITTED
Height .................................. 279 mm (11.0")
Width ................................... 267 mm (10.5")
Depth .................................... 229 mm (9.0")
Est. Ship Weight ...........
Air Inlet ...................................... 6 mm (1/4")
Inlet ............................................ 25 mm (1")
Outlet ......................................19 mm (3/4")
Suction Lift ...................... 7.43 m Dry (24.4')
Disp. per Stroke ............... 0.35 L (0.092 gal)
Max. Flow Rate ................. 129 lpm (34 gpm)
Max. Size Solids .....................3.2 mm (1/8")
1
Displacement per stroke was calculated at 4.8 bar
(70 psig) air inlet pressure against a 2 bar (30 psig)
head pressure.
Example: To pump 37.9 lpm (10 gpm)
against a discharge pressure head of 3.6
bar (52 psig) requires 4.1 bar (60 psig) and
3
23.8 Nm
/h (14 scfm) air consumption. (See
dot on chart.)
Caution: Do not exceed 8.6 bar (125 psig) air
supply pressure.
Aluminum 12 kg (26 lb)
Stainless Steel 16 kg (36 lb)
Alloy C 18 kg (40 lb)
9.68 m Wet (31.8')
1
Flow rates indicated on chart were determined by pumping water.
For optimum life and performance, pumps should be specified so that daily operation parameters
will fall in the center of the pump’s performance curve.
A2P METAL
PTFE-FITTED
Height .................................. 279 mm (11.0")
Width ................................... 267 mm (10.5")
Depth .................................... 229 mm (9.0")
Est. Ship Weight ...........
Air Inlet ...................................... 6 mm (1/4")
Inlet ............................................ 25 mm (1")
Outlet ......................................19 mm (3/4")
Suction Lift ...................... 6.55 m Dry (21.5')
Disp. per Stroke ............... 0.20 L (0.054 gal)
Max. Flow Rate ................. 121 lpm (32 gpm)
Max. Size Solids .....................3.2 mm (1/8")
1
Displacement per stroke was calculated at 4.8 bar
(70 psig) air inlet pressure against a 2 bar (30 psig)
head pressure.
Example: To pump 37.9 lpm (10 gpm)
against a discharge pressure head of 3.4
bar (49 psig) requires 4.1 bar (60 psig) and
3
35.7 Nm
/h (21 scfm) air consumption. (See
dot on chart.)
Caution: Do not exceed 8.6 bar (125 psig) air
supply pressure.
Aluminum 12 kg (26 lb)
Stainless Steel 16 kg (36 lb)
Alloy C 18 kg (40 lb)
8.99 m Wet (29.5')
1
Flow rates indicated on chart were determined by pumping water.
For optimum life and performance, pumps should be specified so that daily operation parameters
will fall in the center of the pump’s performance curve.
WILDEN PUMP & ENGINEERING, LLC
10
WIL-10060-E-03
Page 11
Section 6
5 10 15 20
0
50
100
150
200
250
300
350
400
450
500
[18.9] [37.9] [56.8] [75.7]
GPM
SPM
[LPM]
@ 70 / 30 operating condition
A2T PTFE-Fitted
Water Discharge Flow Rate
Speed
5 10 15 20
Speed
0
50
100
150
200
250
300
350
400
450
500
[18.9] [37.9] [56.8] [75.7]
GPM
SPM
[LPM]
Water Discharge Flow Rate
@ 70 / 30 operating condition
5 1015 202530
Speed
0
50
100
150
200
250
300
350
400
450
500
[18.9] [37.9] [56.8] [75.7] [94.6] [113.6]
GPM
SPM
[LPM]
@ 70 / 30 operating condition
Water Discharge Flow Rate
5 1015 202530
Speed
0
50
100
150
200
250
300
350
400
450
500
[18.9] [37.9] [56.8] [75.7] [94.6] [113.6]
GPM
SPM
[LPM]
@ 70 / 30 operating condition
A2P PTFE-Fitted
Water Discharge Flow Rate
A2T METAL
70/30
OPERATING
CONDITION
These curves demonstrate the flow created
when the stroke rate is
modified under static
air and fluid pressure condition. This
curve can be applied
to different pressure
conditions to estimate
the change in flow due
to stroke rate.
70/30 OPERATING CONDITION
A2P METAL
70/30
OPERATING
CONDITION
These curves demonstrate the flow created
when the stroke rate is
modified under static
air and fluid pressure condition. This
curve can be applied
to different pressure
conditions to estimate
the change in flow due
to stroke rate.
WIL-10060-E-03
11
WILDEN PUMP & ENGINEERING, LLC
Page 12
Section 7
SUGGESTED INSTALLATION
All Wilden pumps are manufactured with a variety of materials for the air distribution system, liquid path and elastomers.
This variety is offered to satisfy the temperature, chemical
compatibility, abrasion and flex life requirements for most
applications.
For Accu-Flo™ models only, all wiring used to operate the
pump should be placed and connected according to all
applicable electrical codes. It is important that the wiring be
of adequate gauge to carry the current required to operate
the pump. In addition, it is necessary that the electrical
power supply be large enough to supply the current required
to operate the pump. Wiring should be above ground level if
possible (in case of fluid spill or leakage), and all wiring and
connections which could become wet or damp should be
made watertight.
The suction pipe used for installation should be sized equal
to, or greater than, the pump liquid inlet connection. This
will minimize pump cavitation and potential blockages of the
pump inlet. The discharge piping should also be sized equal
to, or greater than, the pump liquid discharge connection.
If the pump is to be used in a self-priming application, be
sure that all connections are airtight and that the suction lift
is within the pump’s ability. (Consult Section 6 for suction lift
information.) NOTE: Materials of construction and elastomer
materials have an effect on suction lift parameters.
INSTALLATION: Months of careful planning, study and selection efforts can result in unsatisfactory pump performance if
installation details are left to chance.
Premature failure and long-term dissatisfaction can be
avoided if reasonable care is exercised throughout the installation process.
LOCATION: Noise, safety and other logistical factors usually
dictate that "utility" equipment be situated away from the
production floor. Multiple installations with conflicting
requirements can result in congested utility areas, leaving
few choices for siting additional pumps.
Within the framework of these and other existing conditions,
every pump should be located in such a way that the following key factors are balanced against each other to maximum
advantage.
1. ACCESS: First of all, the location should be accessible.
If it is easy to reach the pump, maintenance personnel will
have an easier time carrying out routine inspections and
adjustments. Should major repairs become necessary, ease
of access can play a key role in speeding the repair process
and reducing total downtime.
2. AIR SUPPLY: Every pump location should have an air
line large enough to supply the volume of air necessary to
achieve the desired pumping rate. (Consult Section 6 for
performance information.) The use of an air filter before the
pump will ensure that the majority of pipeline contaminants
will be eliminated. For best results, the pump should use an
air filter, regulator system.
Sound levels are reduced below OSHA specifications using
the standard Wilden muffler.
3. ELEVATION: Selecting a site that is well within the pump’s
dynamic lift capability will assure that a loss-of-prime condition will be avoided. In addition, pump efficiency can be
adversely effected if proper attention is not given to site
location.
4. PIPING: Final determination of the pump site should not
be made until the piping problems of each possible location
have been evaluated. The impact of current and future
installations should be considered ahead of time to make
sure that inadvertent restrictions are not created for any
remaining sites.
The best choice possible will be a site involving the shortest
and straightest hook-up of suction and discharge piping.
Unnecessary elbows, bends, and fittings should be avoided.
Pipe sizes should be selected so as to keep friction losses
within practical limits. All piping should be supported independently of the pump to avoid damage. In addition, the
piping should be aligned so as to avoid placing stress on the
pump fittings.
Flexible hose can be installed to aid absorbing the forces
created by the natural reciprocating action of the pump. If
the pump is to be bolted down to a solid location, a mounting
pad placed between the pump and the foundation will assist
in minimizing pump vibration. Flexible connections between
the pump and rigid piping will also assist in minimizing pump
vibration. If quick-closing valves are installed at any point
in the discharge system, or if pulsation within a system
becomes a problem, a Wilden Equalizer
should be installed to protect the pump, piping and gauges
from surges and water hammer. Installation of a tee at the
discharge of the pump will allow the addition of an Equalizer
to the system at a later date without requiring piping modifications. Installation of inlet and discharge isolation valves are
also recommended to make service and repair easier.
Pumps in service with a positive suction head are most
efficient when pressure is limited to 0.4-0.7 bar (7-10 psig).
Premature diaphragm failure may occur if positive suction
exceeds these recommended pressures.
A STRAINER SHOULD BE USED ON THE SUCTION LINE
OF THE SYSTEM IF THERE IS A POSSIBILITY THAT
SOLIDS ENTERING THE PUMP MAY EXCEED THE
PUMP’S SOLIDS HANDLING CAPABILITIES.
PLEASE READ AND FOLLOW ALL CAUTIONS NOTED IN
THIS MANUAL.
Pump should be thoroughly flushed before installing into
process line.
Blow out air line for 10 to 20 seconds before attaching
pump to clear all pipe line debris.
®
surge dampener
WILDEN PUMP & ENGINEERING, LLC
12
WIL-10060-E-03
Page 13
OPERATING PRINCIPLE BEHIND ACCU-FLO™ PUMPS
When the solenoid is unpowered, one air chamber is pressurized with air, while the opposite chamber is exhausted. When
electric power is applied, the solenoid shifts, and the pressurized air chamber is exhausted while the opposite chamber is
pressurized. By alternately applying and removing power, the
solenoid-operated pump runs like a standard Wilden pump.
The speed of the pump is controlled electrically. Since each
stroke is controlled by an electrical signal, the pump is ideal
for batching and other electrically controlled dispensing
applications.
Although the speed of the pump is controlled electrically,
the air pressure is important. Air pressure displaces the
fluid, and if the pressure is insufficient to complete the
physical stroke before an electronic impulse signals the
pump to shift, the stroke will not be completed, and the
displacement per stroke will be reduced. This does not
harm the unit in any way, but it may cause inaccuracy when
attempting to batch specific quantities with high precision if
this effect is not taken into account.
PLUMBING CONNECTIONS
There are three coil voltage options available. One coil allows
for 24V DC operation. The second coil option allows for operation with either 12V DC or 24V AC at 60 Hz and the third coil
option allows for 110V AC operation.
ELECTRICAL CONNECTIONS
SUGGESTED OPERATION & MAINTENANCE
The pump will not shift reliably unless the minimum supply
pressure is provided. For the A2T the minimum supply pressure for reliable operation is 2.7 bar (40 psig).
The solenoid operated pump is permanently lubricated during
assembly, and requires no additional lubrication under normal
operation. If the unit runs under extreme conditions (continuous operation at high speeds), it may be necessary to relubricate the center block with a BUNA-N compatible NLGI Grade
2 grease every 50 million cycles. Continuous lubrication with
a compatible oil is not harmful, and will provide longer seal life,
but it may flush all grease out of the unit.
A red button on the side of the air valve is a manual override,
when actuated it will shift the valve as if an electric current had
actuated the solenoid.
RECORDS: When service is required, a record should be made
of all necessary repairs and replacements. Over a period of
WIL-10060-E-03
time, such records can become a valuable tool for predicting
and preventing future maintenance problems and unscheduled
downtime. In addition, accurate records make it possible to
identify pumps that are poorly suited to their applications.
MAINTENANCE AND INSPECTIONS: Since each application is unique, maintenance schedules may be different for
every pump. Frequency of use, line pressure, viscosity and
abrasiveness of process fluid all effect the parts life of a
Wilden pump. Periodic inspections have been found to offer
the best means for preventing unscheduled pump downtime.
Personnel familiar with the pump’s construction and service
should be informed of any abnormalities that are detected
during operation. Internal maintenance is not recommended
for Accu-Flo™ solenoid air valves. When worn or damaged,
a new air valve body, coil or terminal connector must be
purchased. Please consult Section 9 for part numbers.
13
WILDEN PUMP & ENGINEERING, LLC
Page 14
TROUBLESHOOTING
Pump will not run.
1. Check for pressurized air at the inlet.
2. Check air inlet and filter for debris.
3. Connect a test lamp to the two wires which run to pump
and ensure that the lamp cycles on and off.
4. Make sure that the air valve manual override (small red
knob on front of valve) is switched to the “0” position.
5. Check pilot pressure vent at the top of the operator/coil
assembly to ensure that it is not clogged.
6. Check for a worn out air valve. If air continually blows
out the exhaust in very large quantities, the air valve
seals may be worn beyond their ability to function. In
this case, the valve must be replaced.
NOTE: Before the valve is scrapped, it is possible that it may
be saved by completely disassembling the valve, cleaning all
components and relubricating the valve.
Pump runs but little or no fluid comes out.
1. Check that the discharge isolation valve is not closed.
2. Check that the electronic signal is slow enough that the
pump is able to complete each physical stroke before
it is signaled to change direction. The time required to
complete the stroke is determined by a variety of factors
which include fluid viscosity and head pressure.
3. Check for pump cavitation; slow pump speed down to
match the thickness of the material being pumped.
4. Check for sticking ball check valves. If the material being
pumped is not compatible with the pump elastomers,
swelling may occur. Replace ball check valves and
O-ring with the proper elastomers.
5. Check to make sure that all suction connections are air
tight, and that the clamp bands are properly tightened.
Pump air passages blocked with ice.
Check for excessive moisture in compressed air line. As
the air expands out the exhaust during the operation of the
pump, water vapor entrapped in the compressed air can
freeze and block the air passageways in the pump. If this
occurs, it may be necessary to install a coalescing filter, an
air dryer, or a hot air generator for the compressed air.
Air bubbles in pump discharge.
1. Check for ruptured diaphragm.
2. Check tightness of fasteners, and the integrity of the
O-rings, especially at intake manifold.
Product comes out air exhaust.
1. Check for diaphragm rupture.
2. Check tightness of piston plates to shaft.
Pump rattles.
1. Create false discharge head or suction lift.
Solenoid buzzes or solenoid burnout.
1. Incorrect voltage, faulty or dirty solenoid.
Solenoid valve fails to shift electrically but shifts with
manual override.
1. Incorrect voltage, defective coil or wiring.
Solenoid valve fails to shift electrically or with manual
override.
1. Inadequate air supply, contamination, inadequate or
improper lubrication, mechanical binding in the valve.
Valve shifts but fails to return.
1. Broken spring, mechanical binding.
Excessive leaking from air valve vent.
1. Worn seals in air valve.
WILDEN PUMP & ENGINEERING, LLC
14
WIL-10060-E-03
Page 15
Section 8
PUMP DISASSEMBLY
CAUTION: Before any maintenance or repair is attempted,
the compressed air line to the pump should be disconnected and all air pressure allowed to bleed from the
pump. Disconnect all intake, discharge and air lines. Drain
the pump by turning it upside down and allowing any fluid
to flow into a suitable container. Be aware of any hazardous effects of contact with your process fluid.
The Wilden model A2 is an air-operated, double-diaphragm pump with wetted parts of aluminum, stainless steel and Alloy C. The single-piece center section,
consisting of center block and air chambers, is molded of
polypropylene or aluminum. All O-rings used in the pump
are of a special material and shore hardness that should
only be replaced with factory-supplied parts.
TOOLS REQUIRED:
Adjustable Wrench
9/16" Box Wrench
3/4" Box Wrench
3/16" Hex Wrench
Vise equipped with soft jaws (such as plywood, plastic
or other suitable material)
NOTE: The model used for these instructions incorporates
PTFE diaphragms, balls and seats. Models with rubber
diaphragms, balls and seats are the same except where
noted.
DISASSEMBLY:
Step 1.
Before starting disassembly, mark a line from each liquid
chamber to its corresponding air chamber. This line will assist
in proper alignment during reassembly.
Figure 1
Step 2. Figure 2
Using a 3/16” Hex wrench, remove air
valve bolts. Inspect air valve assembly
for wear or damage.
WIL-10060-E-03
Step 3. Figure 3
Utilizing the 9/16" box wrench, start by
removing the four long carriage bolts
that secure the top and bottom manifolds to the center section.
15
Step 4. Figure 4
Remove the top manifold and lift the
center section off the inlet manifold.
WILDEN PUMP & ENGINEERING, LLC
Page 16
PUMP DISASSEMBLY
Step 5. Figure 5
Remove the discharge valve balls,
seats and O-rings from the discharge
manifold and inspect for nicks,
gouges, chemical attack or abrasive
wear. Replace worn parts with genuine
Wilden parts for reliable performance.
PTFE O-rings should be replaced when
reassembled.
Step 8A. Figure 8A
NOTE: Due to varying torque values,
one of the following two situations may
occur: 1) The outer piston, diaphragm
and inner piston remain attached to the
shaft and the entire assembly can be
removed from the center section.
Step 6. Figure 6
Inspect the valve seat, valve seat O-ring
and valve ball from intake manifold.
Check for nicks, gouges, chemical
attack or abrasive wear. Replace worn
parts with genuine Wilden parts for reliable performance. PTFE O-rings should
be replaced when reassembled.
Step 8B. Figure 8B
2) The outer piston, diaphragm, inner
piston, and disc spring separate from
the shaft which remains connected to
the opposite side diaphragm assembly
PTFE-fitted pumps come standard with
back-up diaphragms (not shown).
Step 7. Figure 7
With the 3/4" box wrench or by rotating the diaphragm by hand, remove the
dia phragm assembly.
Step 9. Figure 9
To remove the diaphragm assembly from
the shaft, secure shaft with soft jaws (a
vise fitted with plywood or other suitable
material) to ensure shaft is not nicked,
scratched, or gouged. Using a wrench,
remove diaphragm assembly from shaft.
Inspect all parts for wear and replace
with genuine Wilden parts if necessary.
WILDEN PUMP & ENGINEERING, LLC
16
WIL-10060-E-03
Page 17
REASSEMBLY HINTS & TIPS
ASSEMBLY:
Upon performing applicable maintenance to the air
distribution system, the pump can now be reassembled.
Please refer to the disassembly instructions for photos
and parts placement. To reassemble the pump, follow
the disassembly instructions in reverse order. The air
distribution system needs to be assembled first, then
the diaphragms and finally the wetted path. Please find
the applicable torque specifications on this page. The
following tips will assist in the assembly process.
• Clean the inside of the center section shaft bushing
to ensure no damage is done to new seals.
• Stainless bolts should be lubed to reduce the possibility of seizing during tightening.
• Be sure to tighten outer pistons simultaneously on
PTFE-fitted pumps to ensure proper torque values.
• Place one liquid chamber on its side and align
center section with chamber using alignment marks
made during disassembly. Push down on diaphragm
assembly until diaphragm is inverted. Place opposite
liquid chamber on center section and align.
• Position valve balls, seats, and o-rings in discharge manifold.
Place vertical bolts through discharge manifold with threads
pointing up. Install washer and start threads of bolt (about 1
1
turns).
• Place center section and liquid chambers on intake manifold.
• Position discharge manifold and bolt assembly on liquid chambers. Ensure proper alignment of mating surfaces between
liquid chambers and manifolds before tightening bolts.
• Apply a small amount of Loctite 242 to the steel bore of the shaft
from the diaphragm assembly.
MAXIMUM TORQUE SPECIFICATIONS
Description of Part Metal Pumps
Solenoid Air Valve (Turbo-Flo™) 3.4 N•m (30 in-lb)
Solenoid Air Valve (Pro-Flo
Adapter Block Air Valve 3.1 N•m (27 in-lb)
Outer Piston, Rubber and PTFE-Fitted 40.7 N•m (30 ft-lb)
Vertical Bolts 13.0 N•m (115 in-lb)
®
) 3.1 N•m (27 in-lb)
⁄2
WIL-10060-E-03
17
WILDEN PUMP & ENGINEERING, LLC
Page 18
Section 9
EXPLODED VIEW & PARTS LISTING
A2T METAL
EXPLODED VIEW
27
26
17
23
24
25
7
8
16
13
9
21
10
32
1
3
4
2
11
22
15
5
6
11
12
13
19
18
14
20
22
15
31
30
29
28
9
11
PTFE Assembly
WILDEN PUMP & ENGINEERING, LLC
12
12
NOTE: PTFE Diaphragm Models Assembled with
PTFE Gasket Kit At Factory (Not Shown)
18
Adapter Block Version
WIL-10060-E-03
Page 19
EXPLODED VIEW & PARTS LISTING
A2T METAL
PARTS LISTING
Rubber-Fitted Pumps PTFE-Fitted Pumps
A2T/
Qty.
AAPPA/0150
Per
Item Description
1 Solenoid Valve Assembly 1 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150 02-2000-99-150
2 Main Valve Body 1 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150 02-2000-01-150
3 Coil 1 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150
4 Terminal Connector 1 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99
5 Air Valve Gasket — Buna-N 1 02-2600-52 02-2600-52 02-2600-52 02-2600-52 02-2600-52 02-2600-52 02-2600-52 02-2600-52 02-2600-52 02-2600-52
6 Center Section 1 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225 02-3151-20-225
7 Muffler Plate 1 02-3180-20 02-3180-20 02-3180-20 02-3180-20 02-3180-20 02-3180-20 02-3180-20 02-3180-20 02-3180-20 02-3180-20
8 Muffler Plate Gasket — Buna-N 1 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500 02-3500-52-500
9 Air Valve Screws, 1/4-20 x 6 4 02-6000-08 02-6000-03 02-6000-03 02-6000-03 02-6000-03 02-6000-08 02-6000-03 02-6000-03 02-6000-03 02-6000-03
10 Center Section Glyd™ Ring 4 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225
11 Shaft 1 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07 02-3820-03-07
12 Stud 2 N/R N/R 02-6150-08 02-6150-08 02-6150-08 15-6130-08 15-6130-08 02-6150-08 02-6150-08 02-6150-08
13 Disc Spring 2 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08
14 Pistons — Inner 2 02-3750-01 02-3750-01 02-3750-01 02-3750-01 02-3750-01 02-3750-01 02-3750-01 02-3750-01 02-3750-01 02-3750-01
15 Pistons — Outer 2 02-4550-01 02-4550-01 02-4550-03 02-4550-04 02-4550-03 02-4600-01 02-4600-01 02-4600-03 02-4600-04 02-4600-03
16 Liquid Chamber 2 02-5000-01 02-5000-01 02-5000-03 02-5000-04 02-5000-03 02-5000-01 02-5000-01 02-5000-03 02-5000-04 02-5000-03
17 Discharge Manifold 1 02-5020-01 02-5020-01 02-5020-03 02-5020-04 02-5020-03-70 02-5020-01 02-5020-01 02-5020-03 02-5020-04 02-5020-03-70
18 Inlet Housing 1 02-5080-01 02-5080-01 02-5080-03 02-5080-04 02-5080-03-70 02-5080-01 02-5080-01 02-5080-03 02-5080-04 02-5080-03-70
19 Manifold Bolt, 3/8-16 x 8 1/2 4 02-6080-08 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03
20 Muffler 1 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99
21 Back-up Diaphragm** 2 N/R N/R N/R N/R N/R 02-1060-51 02-1060-51 02-1060-51 02-1060-51 02-1060-51
22 Diaphragm* 2 * * * * * 02-1010-55 02-1010-55 02-1010-55 02-1010-55 02-1010-55
23 Valve Balls* 4 * * * * * 02-1080-55 02-1080-55 02-1080-55 02-1080-55 02-1080-55
24 Valve Seat 4 02-1120-01 02-1120-01 02-1120-03 02-1120-04 02-1120-03 02-1120-01 02-1120-01 02-1120-03 02-1120-04 02-1120-03
25 Valve Seat O-Ring* 4 * * * * * 02-1200-55 02-1200-55 02-1200-55 02-1200-55 02-1200-55
Hex Nut 1/4-20, S.S.*** (Not Shown)
26 Manifold Bolt Washer 4 15-6720-08 02-6730-03 02-6730-03 02-6730-03 08-6720-07-70 15-6720-03 15-6720-03 02-6730-03 02-6730-03 08-6720-07-70
27 Manifold Bolt Nut, 3/8-16 4 02-6430-03 02-6430-03 02-6430-03 02-6430-03 02-6680-03-70 02-6430-08 02-6430-03 02-6430-03 02-6430-03 02-6680-03-70
28 Lock Washer, 1/4 4 50-6760-03 50-6760-03 50-6760-03 50-6760-03 50-6760-03 50-6760-03 50-6760-03 50-6760-03 50-6760-03 50-6760-03
29 Flat Washer 4 01-6730-03 01-6730-03 01-6730-03 01-6730-03 01-6730-03 01-6730-03 01-6730-03 01-6730-03 01-6730-03 01-6730-03
30 Fitting, Air Inlet 2 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20
31 Adapter Block 1 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX 02-2150-XX
Vent Plug (not shown) 1 02-7020-17 02-7020-17 02-7020-17 02-7020-17 02-7020-17 02-7020-17 02-7020-17 02-7020-17 02-7020-17
32 Solenoid Operator 1 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99
Pump
P/N
4 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-08 04-6400-08 04-6400-03 04-6400-03 04-6400-03
A2T/
AAPPA/0194
P/N
A2T/
SSPPA/0150
P/N
A2T/
HHPPA/0150
P/N
A2T/
SSPPA/0125
P/N
A2T/
AAPPA/0150
P/N
A2T/
AAPPA/0194
P/N
A2T/
SSPPA/0150
P/N
A2T/
HHPPA/0150
P/N
A2T/
SSPPA/0125
P/N
* Refer to corresponding elastomer chart
for metal pumps in Section 10.
**Required only for PTFE fitted pumps.
*** Part to be used with P/N 02-6000-03 to
secure air valve and muffler plate.
NOTE: Models A2/SPPE-125 rubber-fitted
and A2/SPPE-125 PTFE-fitted have 1.5”
cast tri-clamp inlet and outlet ports and
use wing nut type fasteners on manifold
bolts. (Food Processing pumps.)
All boldface items are primary wear parts.
NOTE: For pumps fitted with wing nuts
and tri-clamp connection please contact
factory for exploded view drawing and
part numbers.
Item 1 Valve Assembly Options
Pump Models Designating Specialty Code # Part Number Description
Item 2 Main Valve Body Options
Part Number Description
02-2000-01-150 Main Valve Body
02-2000-01-154 Main Valve Body (NEMA 7)
Item 3 Coil Options
Pump Models Designating Specialty Code # Part Number Description Operator
1
Meet European standards and regulations; CENELEC/PTB file # EX-9.C.2027.
WIL-10060-E-03
(CONSISTS OF VALVE BODY, COIL AND CONNECTOR)
151 02-2000-99-151 24V AC / 12V DC Valve Assembly
153 02-2000-99-153 24V AC / 12V DC Valve Assembly (NEMA 7)
150 02-2000-99-150 24V DC Valve Assembly
154 02-2000-99-154 24V DC Valve Assembly (NEMA 7)
157 02-2000-99-157 International 24V DC Valve Assembly
1
155 02-2000-99-155 110V AC Valve Assembly
156 02-2000-99-156 110V AC Valve Assembly (NEMA 7)
Item 32 Adapter Block Options
Part Number Description
02-2150-20 Polypropylene
02-2150-32 UHMW PE
151 00-2110-99-151 24V AC / 12V DC Coil 00-2120-99
153 00-2110-99-153 24V AC / 12V DC Coil (NEMA 7) 00-2121-99
150 00-2110-99-150 24V DC Coil 00-2120-99
154 00-2110-99-154 24V DC Coil (NEMA 7) 00-2121-99
155 00-2110-99-155 110V AC Coil 00-2120-99
156 00-2110-99-156 110V AC Coil (NEMA 7) 00-2121-99
157 00-2110-99-157 International 24V DC Coil
19
WILDEN PUMP & ENGINEERING, LLC
1
00-2120-99
Page 20
EXPLODED VIEW & PARTS LISTING
A2P METAL
9
EXPLODED VIEW
34
33
24
29
30
31
14
8
12
2
13
23
14
11
27
18
16
19
PTFE Assembly
10
18
17
18
15
19
20
16
21
28
22
3
1
6
7
6
4
5
25
37
28
17
20
NOTE: PTFE Diaphragm Models Assembled with
PTFE Gasket Kit At Factory (Not Shown)
26
35
36
Adapter
Block Version
WILDEN PUMP & ENGINEERING, LLC
20
WIL-10060-E-03
Page 21
EXPLODED VIEW & PARTS LISTING
A2P METAL
PARTS LISTING
Rubber-Fitted Pumps PTFE-Fitted Pumps
Qty.
A2P/
Per
Item Description
1
Refer to corresponding elastomer chart for metal pumps in Section 10.
2
Saniflex™ diaphragms required only for PTFE-fitted A2P pumps.
3
Part used only on adapter block version.
NOTE: Models A2/SPPE-125 rubber-fitted and A2/SPPE-125 PTFE-fitted have 1.5”
cast tri-clamp inlet and outlet ports and use wing nut type fasteners on manifold bolts.
(Food Processing pumps.)
All boldface items are primary wear parts.
NOTE: For pumps fitted with wing nuts and tri-clamp c onnection please contact factory for exploded
view drawing and part numbers.
®
1 Pro-Flo
2 Pro-Flo
3 End Cap O-Ring 1 01-2395-52 01-2395-52 01-2395-52 01-2395-52 01-2395-52 01-2395-52 01-2395-52 01-2395-52 01-2395-52 01-2395-52
4 Gasket, Muffler Plate 1 01-3505-52 01-3505-52 01-3505-52 01-3505-52 01-3505-52 01-3505-52 01-3505-52 01-3505-52 01-3505-52 01-3505-52
5 Muffler Plate 1 01-3181-20 01-3181-20 01-3181-20 01-3181-20 01-3181-20 01-3181-20 01-3181-20 01-3181-20 01-3181-20 01-3181-20
6 Gasket, Air Valve 2 01-2615-52 01-2615-52 01-2615-52 01-2615-52 01-2615-52 01-2615-52 01-2615-52 01-2615-52 01-2615-52 01-2615-52
7 Pro-Flo
8 Coil 1 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150 00-2110-99-150
9 Connector 1 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99 00-2130-99
10 Air Valve Bolt, 1/4-20 x 4 1/2 4 01-6000-03 01-6000-03 01-6000-03 01-6000-03 01-6000-03 01-6000-03 01-6000-03 01-6000-03 01-6000-03 01-6000-03
11 Mufler 1 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99 02-3510-99
12 Pro-Flo
13 Nut, 1/4-20 4 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03 04-6400-03
14 Reducer Bushing 1 01-6950-20 01-6950-20 01-6950-20 01-6950-20 01-6950-20 01-6950-20 01-6950-20 01-6950-20 01-6950-20 01-6950-20
15 Pilot Spool Assembly 1 02-2285-99 02-2285-99 02-2285-99 02-2285-99 02-2285-99 02-2285-99 02-2285-99 02-2285-99 02-2285-99 02-2285-99
16 Retaining Ring 2 00-2650-03 00-2650-03 00-2650-03 00-2650-03 00-2650-03 00-2650-03 00-2650-03 00-2650-03 00-2650-03 00-2650-03
17 Center Section Glyd™ Ring 2 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225 02-3210-55-225
18 Shaft 1 02-3810-03 02-3810-03 02-3810-03 02-3810-03 02-3810-03 02-3810-03 02-3810-03 02-3810-03 02-3810-03 02-3810-03
19 Stud 2 N/R N/R 02-6150-08 02-6150-08 02-6150-08 15-6130-08 15-6130-08 02-6150-08 02-6150-08 02-6150-08
20 Disc Spring 2 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08 02-6802-08
21 Pistons — Inner 2 02-3701-01 02-3701-01 02-3701-01 02-3701-01 02-3701-01 02-3751-01 02-3751-01 02-3751-01 02-3751-01 02-3751-01
22 Pistons — Outer 2 02-4550-01 02-4550-01 02-4550-03 02-4550-04 02-4550-03 02-4550-01 02-4550-01 02-4550-03 02-4550-04 02-4550-03
23 Liquid Chamber 2 02-5000-01 02-5000-01 02-5000-03 02-5000-04 02-5000-03 02-5000-01 02-5000-01 02-5000-03 02-5000-04 02-5000-03
24 Discharge Manifold 1 02-5020-01 02-5020-01-03 02-5020-03 02-5020-04 02-5020-03-70 02-5020-01 02-5020-01-03 02-5020-03 02-5020-04 02-5020-03-70
25 Inlet Manifold 1 02-5080-01 02-5080-01-03 02-5080-03 02-5080-04 02-5080-03-70 02-5080-01 02-5080-01-03 02-5080-03 02-5080-04 02-5080-03-70
26 Manifold Bolt, 3/8-16 x 8 1/2 4 02-6080-08 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03 02-6080-03
27 Back-up Diaphragm
28 Diaphragm
29 Valve Balls
30 Valve Seat 4 02-1120-01 02-1120-01 02-1120-03 02-1120-04 02-1120-03 02-1120-01 02-1120-01 02-1120-03 02-1120-04 02-1120-03
31 Valve Seat O-Ring
32 Solenoid Operator 1 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99 00-2120-99
33 Manifold Bolt Washer, 3/8 4 15-6720-08 15-6720-08 02-6730-03 02-6730-03 08-6720-07-70 02-6730-03 02-6730-03 02-6730-03 02-6730-03 08-6720-07-70
34 Manifold Bolt Nut, 3/8-16 4 02-6430-08 02-6430-08 02-6430-03 02-6430-03 02-6680-03-70 02-6430-03 02-6430-03 02-6430-03 02-6430-03 02-6680-03-70
35 Air Valve Bolt, 1/4-20 x 2
36 Fitting, Air Inlet
37 Adapter Block
Air Valve Assembly 1 01-2010-20 01-2010-20 01-2010-20 01-2010-20 01-2010-20 01-2010-20 01-2010-20 01-2010-20 01-2010-20 01-2010-20
®
Air Valve End Cap 1 01-2332-20 01-2332-20 01-2332-20 01-2332-20 01-2332-20 01-2332-20 01-2332-20 01-2332-20 01-2332-20 01-2332-20
®
Solenoid Spacer 1 01-2160-20 01-2160-20 01-2160-20 01-2160-20 01-2160-20 01-2160-20 01-2160-20 01-2160-20 01-2160-20 01-2160-20
®
Center Section 1 02-3140-18 02-3140-18 02-3140-18 02-3140-18 02-3140-18 02-3140-18 02-3140-18 02-3140-18 02-3140-18 02-3140-18
2
1
1
1
3
3
3
AAPPA/0150
Pump
P/N
2 N/R N/R N/R N/R N/R 02-1060-56 02-1060-56 02-1060-56 02-1060-56 02-1060-56
2 * * * * * 02-1010-55 02-1010-55 02-1010-55 02-1010-55 02-1010-55
4 * * * * * 02-1080-55 02-1080-55 02-1080-55 02-1080-55 02-1080-55
4 * * * * * 02-1200-55 02-1200-55 02-1200-55 02-1200-55 02-1200-55
4 04-6000-03 04-6000-03 04-6000-03 04-6000-03 04-6000-03 04-6000-03 04-6000-03 04-6000-03 04-6000-03 04-6000-03
2 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20 00-2170-20
1 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX 00-2155-XX
A2P/
AAPPA/0194
P/N
A2P/
SSPPA/0150
P/N
A2P/
HHPPA/0150
P/N
A2P/
SSPPA/0125
P/N
A2P/
AAPPA/0150
P/N
A2P/
AAPPA/0194
P/N
A2P/
SSPPA/0150
P/N
A2P/
HHPPA/0150
P/N
A2P/
SSPPA/0125
P/N
Item 37 Adapter Block Options
Part Number Description
01-2155-20 Polypropylene
01-2155-13 Acetal
Item 8 Coil Options
Pump Models Designating Specialty Code # Part Number Description Operator P/N
151 00-2110-99-151 24V AC / 12V DC Coil 00-2120-99
153 00-2110-99-153 24V AC / 12V DC Coil (NEMA 7) 00-2121-99
150 00-2110-99-150 24V DC Coil 00-2120-99
154 00-2110-99-154 24V DC Coil (NEMA 7) 00-2121-99
155 00-2110-99-155 110V AC Coil 00-2120-99
156 00-2110-99-156 110V AC Coil (NEMA 7) 00-2121-99
157 00-2110-99-157 International 24V DC Coil
1
Meet European standards and regulations; CENELEC/PTB file # EX-9.C.2027.
1
00-2120-99
WIL-10060-E-03
21
WILDEN PUMP & ENGINEERING, LLC
Page 22
Section 10
ELASTOMER OPTIONS
A2 Metal Pumps
DIAPHRAGM
MATERIAL
Polyurethane 02-1010-50 02-1080-50 02-1200-50 N/A
BUNA-N 02-1010-52 02-1080-52 02-1200-52 N/A
Neoprene 02-1010-51 02-1080-51 N/A N/A
EPDM 02-1010-54 02-1080-54 02-1200-54 N/A
®
Viton
Wil-Flex™ 02-1010-58 02-1080-58 02-1200-58 N/A
Saniflex™ 02-1010-56 02-1080-56 02-1200-56 N/A
PTFE 02-1010-55 02-1080-55 02-1200-55 N/A
Stainless Steel N/A N/A N/A 02-1120-03
Aluminum N/A N/A N/A 02-1120-01
Alloy C N/A N/A N/A 02-1120-04
P/N
02-1010-53 02-1080-53 N/A N/A
ELECTRIC INFORMATION
VALVE BALL
P/N
VALVE SEAT O-RING
P/N
VALVE SEAT
P/N
NEMA 41 / UL / CSA
Voltage ±10% Current (A)
AC AC
DC Power (W) DC Resistivity
Part Number 60 Hz 50 Hz ±10% Inrush Holding (Ω)
00-2110-99-150 24 48 44 4.8 .20 .20 .20 121
00-2110-99-151 12 24 22 4.8 .40 .40 .40 32
00-2110-99-155 60 120 110 4.8 .08 .08 .06 840
NEMA 7 / UL / CSA
Voltage ±10% Current (A)
AC AC
DC Power (W)
Part Number 60 Hz 50 Hz ±10% Inrush Holding (Ω)
00-2110-99-153 12 24 22 7 .60 .55 .32 19
00-2110-99-154 24 48 44 7 .30 .30 .18 75
00-2110-99-156 60 120 110 7 .12 .13 .06 475
DC
Resistivity
INTERNATIONAL EXPLOSION PROOF / CENELEC / PTB FILE # EX-91.C.2027
Current (A)
DC Voltage ±10% Power (W) Resistivity
Part Number ±10% Inrush Holding (Ω)
00-2110-99-157 24 3.3 .135 .135 177
1
NEMA 4 and IEC 144/855420 I.P. 66 for dust-tight, watertight corrosion resistant.
WILDEN PUMP & ENGINEERING, LLC
22
WIL-10060-E-03
Page 23
Warranty
Each and every product manufactured by Wilden Pump and Engineering, LLC is built to meet the highest
standards of quality. Every pump is functionally tested to insure integrity of operation.
Wilden Pump and Engineering, LLC warrants that pumps, accessories and parts manufactured or supplied by
it to be free from defects in material and workmanship for a period of five (5) years from date of installation or
six (6) years from date of manufacture, whichever comes first. Failure due to normal wear, misapplication, or
abuse is, of course, excluded from this warranty.
Since the use of Wilden pumps and parts is beyond our control, we cannot guarantee the suitability of any pump
or part for a particular application and Wilden Pump and Engineering, LLC shall not be liable for any consequential
damage or expense arising from the use or misuse of its products on any application. Responsibility is limited
solely to replacement or repair of defective Wilden pumps and parts.
All decisions as to the cause of failure are the sole determination of Wilden Pump and Engineering, LLC.
Prior approval must be obtained from Wilden for return of any items for warranty consideration and must be
accompanied by the appropriate MSDS for the product(s) involved. A Return Goods Tag, obtained from an
authorized Wilden distributor, must be included with the items which must be shipped freight prepaid.
The foregoing warranty is exclusive and in lieu of all other warranties expressed or implied (whether written or oral)
including all implied warranties of merchantability and fitness for any particular purpose. No distributor or other
person is authorized to assume any liability or obligation for Wilden Pump and Engineering, LLC other than expressly
provided herein.
PLEaSE PrInt or tYPE anD faX to WILDEn
PumP InformatI on
Item # Serial #
Company Where Purchased
Your InformatIon
Company Name
Industry
Name Title
Street Address
City State Postal Code Country
Telephone Fax E-mail Web Address
Number of pumps in facilit y? Number of Wilden pumps?
Types of pumps in facility ( check all that apply): Diaphragm
Media being pumped?
Other
Centrifugal
Gear
Submersible
Lobe
How did you hear of Wilden Pump?
Other
NOTE: WARRANTY VOID IF PAGE IS NOT FAXED TO WILDEN
Trade Journal
Trade Show
onCE ComPLEtE, faX to (909) 783-3440
WILDEN PUMP & ENGINEERING, LLC
Internet/E-mail
Distributor
Page 24
Where Innovation Flows
22069 Van Buren Street,
Grand Terrace, CA 92313-5607
Telephone: (909) 422-1731
Fax: (909) 783-3440
22069 Van Buren St.
Grand Terrace, CA 92313-5607
T: +1 (909) 422-1731
www.maag.com
F: +1 (909) 783-3440
PSG reserves the right to modify the information and illustrations contained in this document without prior notice. This is a non-contractual document. 01-2015
Authorized PSG Representative:
Copyrigh t ©2015, Pump Solu tions Group (PS G), A Dover Company
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