Read the safety warnings and instructions in this manual
before pump installation and start-up. Failure to comply with
the recommendations stated in this manual could damage the
pump and void factory warranty.
When the pump is used for materials that tend to settle out
or solidify, the pump should be ushed after each use to
prevent damage. In freezing temperatures the pump should be
completely drained between uses.
CAUTION
Before pump operation, inspect all fasteners for loosening
caused by gasket creep. Retighten loose fasteners to prevent
leakage. Follow recommended torques stated in this manual.
Nonmetallic pumps and plastic components are not UV
stabilized. Ultraviolet radiation can damage these parts and
negatively affect material properties. Do not expose to UV light
for extended periods of time.
WARNING
Pump not designed, tested or certied to be powered by
compressed natural gas. Powering the pump with natural
gas will void the warranty.
WARNING
When used for toxic or aggressive uids, the pump should
always be ushed clean prior to disassembly.
Before maintenance or repair, shut off the compressed air line,
bleed the pressure, and disconnect the air line from the pump.
Be certain that approved eye protection and protective clothing
are worn at all times. Failure to follow these recommendations
may result in serious injury or death.
Airborne particles and loud noise hazards. Wear eye and ear
protection.
In the event of diaphragm rupture, pumped material may enter
the air end of the pump, and be discharged into the atmosphere.
If pumping a product that is hazardous or toxic, the air exhaust
must be piped to an appropriate area for safe containment.
Take action to prevent static sparking. Fire or explosion can
result, especially when handling ammable liquids. The pump,
piping, valves, containers and other miscellaneous equipment
must be properly grounded.
This pump is pressurized internally with air pressure during
operation. Make certain that all fasteners are in good condition
and are reinstalled properly during reassembly.
kg
Use safe practices when lifting
Grounding the Pump
To be fully groundable, the pumps must be ATEX Compliant. Refer to the nomenclature page for ordering information.
Optional 8 foot long (244 centimeters) Ground Strap is available for easy ground connection.
To reduce the risk of static electrical sparking, this pump must be grounded. Check the local
electrical code for detailed grounding instruction and the type of equipment required.
Refer to nomenclature page for ordering information.
WARNING
Take action to prevent static sparking.
Fire or explosion can result, especially
when handling ammable liquids. The
pump, piping, valves, containers or
SECTION 4: AIR END .......................................10
• Air Distribution Valve Assembly
• Air Valve with Stroke Indicator Assembly
• Pilot Valve Assembly
• Intermediate Assembly
SECTION 5: WET END .....................................13
• Diaphragm Drawings
• Diaphragm Servicing
SECTION 7: WARRANTY & CERTIFICATES ....15
• Warranty
• EC Declaration of Conformity - Machinery
• EC Declaration of Conformity - ATEX
• EC Summary of Markings
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Model HDF1/HDF25
Explanation of Pump Nomenclature
II 2GD T5
II 2GD T5
II 2G Ex ia c IIC T5II 2D c iaD 20 IP67 T100˚C
Your Model #:
__ __ _____ __ ___ __ __ __
(ll in from pump
nameplate)
1: PUMP SPECS
Pump Pump Pump
Series Design Size Porting
Model #:
XX X XXXX, X XX X XX X
Pump Series
S SANDPIPER
Pump Design
F Flap
Pump Size
1 1"
25 1" BSPT (Tapered Thread)
Discharge Porting Position
D Bottom
®
Wet End Materials
B Nitrile
N Neoprene
R Hytrel
P Santoprene
V FKM
Design Level
2
Discharge Diaphragm/ Design
Options
Valve
Your Serial #: (ll in from pump nameplate) _____________________________________
Level
Construction
Construction
A Aluminum Wetted, Aluminum Air
I Cast Iron Wetted, Aluminum Air
II Cast Iron Wetted, Cast Iron Air
SI Stainless Steel Wetted, Cast Iron Air
SS Stainless Steel Wetted, Aluminum Air
Options
P1 Intrinsically Safe ATEX Compliant
Pulse Output
ATEX Detail
(1)
1 • Model HDF1/HDF25
II 1G c T5
II 3/1 G c T5
II 1D c T100°C
I M1 c
I M2 c
II 2G c T5
II 3/2 G c T5
II 2D c T100°C
Models equipped with Construction designations
SI or HI. Note: See ATEX Explanation of Type
Certicate
Models equipped with Construction designations A,
SI, SS, HC, or HI.
Type Examination Certicate
Note: See ATEX Explanation of
(2)
II 2G Ex ia c IIC T5
II 3/2 G Ex ia c IIC T5
II 2D Ex c ia 20 IP67
T100°C
Note: Pumps ordered with the options listed in (1) to the left are
ATEX compliant when ordered with kit option P1.
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Performance
HDF1/HDF25
SUCTION/DISCHARGE PORT SIZE
• HDF1: 1” (25.4mm) NPT(F)
• HDF25: 1” (25.4mm) BSP Tapered
CAPACITY
• 0 to 70 gallons per minute
(0 to 265 liters per minute)
AIR DISTRIBUTION VALVE
• No-lube, no-stall design
SOLIDS-HANDLING
• Up to 1 in. (25.4mm)
HEADS UP TO
• 125 psi or 289 ft. of water
(8.8 Kg/cm
MAXIMUM OPERATING PRESSURE
• 125 psi (8.6 bar)
DISPLACEMENT/STROKE
• .10 Gallon / .38 liter
SHIPPING WEIGHT
• Aluminum 48 lbs. (21kg)
• Cast Iron 76 lbs. (34kg)
• Stainless Steel 79 lbs. (36kg)
2
or 88 meters)
MODEL HDF1 Performance Curve
BAR
7
100
6
5
4
HEAD
3
80
60
40
PSI
10(17)
100 PSI
(6.8 Bar)
80 PSI
(5.44 Bar)
60 PSI
(4.08 Bar)
40 PSI
(2.72 Bar)
AIR CONSUMPTION
SCFM (M3/hr)
20(34)
30(51)
40(68)
water at ambient temperature. Average displacement per pump stroke: .10 Gallons (.38 Liters).
The use of other materials and varying hydraulic conditions may result in deviations in excess of 5%.
Performance based on the following: elastomer fitted pump, flooded suction,
50(85)
2
20
20 PSI Air Inlet Pressure
1
0
(1.36 Bar)
0
01020304050607080
U.S. Gallons per minute
0100755025150125200175225250275 300
Liters per minute
CAPACITY
1: PUMP SPECS
Materials
Material Prole:
CAUTION! Operating temperature limitations are as follows:
Conductive Acetal: Tough, impact resistant, ductile. Good
abrasion resistance and low friction surface. Generally inert, with
good chemical resistance except for strong acids and oxidizing
agents.
EPDM: Shows very good water and chemical resistance. Has
poor resistance to oils and solvents, but is fair in ketones and
alcohols.
FKM: (Fluorocarbon) Shows good resistance to a wide range
of oils and solvents; especially all aliphatic, aromatic and
halogenated hydrocarbons, acids, animal and vegetable oils.
Hot water or hot aqueous solutions (over 70°F(21°C)) will
attack FKM.
Hytrel®: Good on acids, bases, amines and glycols at room
temperatures only.
Neoprene: All purpose. Resistance to vegetable oils. Generally
not affected by moderate chemicals, fats, greases and many
oils and solvents. Generally attacked by strong oxidizing acids,
ketones, esters and nitro hydrocarbons and chlorinated aromatic
hydrocarbons.
Nitrile: General purpose, oil-resistant. Shows good solvent, oil,
water and hydraulic uid resistance. Should not be used with
highly polar solvents like acetone and MEK, ozone, chlorinated
hydrocarbons and nitro hydrocarbons.
Nylon: 6/6 High strength and toughness over a wide
temperature range. Moderate to good resistance to fuels, oils
and chemicals.
Ambient temperature range: -20°C to +40°C
Process temperature range: -20°C to +80°C for models rated as category 1 equipment
-20°C to +100°C for models rated as category 2 equipment
In addition, the ambient temperature range and the process temperature range do not exceed the operating temperature range of the applied non-metallic parts as listed in the manuals of the pumps.
Operating
Temperatures:
Max.Min.
190°F
88°C
280°F
138°C
350°F
177°C
220°F
104°C
200°F
93°C
190°F
88°C
180°F
82°C
-20°F
-29°C
-40°F
-40°C
-40°F
-40°C
-20°F
-29°C
-10°F
-23°C
-10°F
-23°C
32°F
0°C
Polypropylene: A thermoplastic polymer. Moderate tensile
and ex strength. Resists stong acids and alkali. Attacked by
chlorine, fuming nitric acid and other strong oxidizing agents.
PVDF: (Polyvinylidene Fluoride) A durable uoroplastic with
excellent chemical resistance. Excellent for UV applications.
High tensile strength and impact resistance.
Santoprene®: Injection molded thermoplastic elastomer with
no fabric layer. Long mechanical ex life. Excellent abrasion
resistance.
UHMW PE: A thermoplastic that is highly resistant to a broad
range of chemicals. Exhibits outstanding abrasion and impact
resistance, along with environmental stress-cracking resistance.
Urethane: Shows good resistance to abrasives. Has poor
resistance to most solvents and oils.
Virgin PTFE: (PFA/TFE) Chemically inert, virtually impervious.
Very few chemicals are known to chemically react with PTFE;
molten alkali metals, turbulent liquid or gaseous uorine and
a few uoro-chemicals such as chlorine triuoride or oxygen
diuoride which readily liberate free uorine at elevated
temperatures.
Maximum and Minimum Temperatures are the limits for which these materials can be operated.
Temperatures coupled with pressure affect the longevity of diaphragm pump components.
Maximum life should not be expected at the extreme limits of the temperature ranges.
Metals:
Alloy C: Equal to ASTM494 CW-12M-1 specication for nickel and nickel alloy.
Stainless Steel: Equal to or exceeding ASTM specication A743 CF-8M for corrosion
resistant iron chromium, iron chromium nickel and nickel based alloy castings for
general applications. Commonly referred to as 316 Stainless Steel in the pump industry.
For specic applications, always consult the Chemical Resistance Chart.
180°F
82°C
250°F
121°C
275°F
135°C
180°F
82°C
150°F
66°C
220°F
104°C
32°F
0°C
0°F
-18°C
-40°F
-40°C
-35°F
-37°C
32°F
0°C
-35°F
-37°C
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hdf1dl2sm-rev0614
Model HDF1/HDF25 • 2
CONFIGURATION
Dimensional Drawings
HDF1 & HDF25 Heavy Duty Flap Valve
Dimensions in inches (metric dimensions in brackets). Dimensional Tolerance .125" (3mm).
1: PUMP SPECS
15.59
396
AIR INLET
1/2" FNPT
16.73
425
8.56
217
DISCHARGE PORT
1" FNPT (HDF1)
1" BSPT (HDF25)
.28 [7] MOUNTING HOLE
4X
NOTE:
UNIT FURNISHED WITH SUB-BASE PLATE
AND RUBBER FEET AS STANDARD. FOR
STATIONARY BOLT DOWN USE, RUBBER
FEET CAN BE REMOVED.
AIR EXHAUST
3/4" FNPT
6.89
175
2.57
65
"D"
"C"
"B"
"A"
2.38
60
2.38
60
HDF1 / HDF25
HEAVY DUTY FLAP VALVE PUMP
DIMENSIONAL TOLERANCE
[XX] = MILLIMETERS
SUCTION PORT
1" FNPT (HDF1)
1" BSPT (HDF25)
(OPTIONAL 90
PORT ROTATION)
14.03
8.57
218
1/8 [3]
16.41
417
356
.72
18
9.00
229
3 • Model HDF1/HDF25
SUCTION & DISCHARGE CONNECTIONS
HDF1
HDF25
PUMP
COFIGURATION
ALUMINUM
CENTER SECTION
CAST IRON
CENTER SECTION
PULSE OUTPUT
sa n d pip er pu mp .c om
1" NPT FEMALE THREADED
CONNECTIONS
1" BSP TAPERED FEMALE
THREADED CONNECTIONS
DIM "A"DIM "B"
3.95 [100] 5.86 [149] 11.12 [282] 14.55 [370]
4.10 [104] 5.54 [141] 10.80 [274] 15.75 [400]
DIM "C"DIM "D"
hdf1dl2sm-rev0614
Principle of Pump Operation
SAFE AIREXHAUSTDISPOSALAREA
MUFFLER
Air-Operated Double Diaphragm (AODD) pumps are powered
by compressed air or nitrogen.
Discharge
Stroke
Air Line
Discharged
Fluid
Suction
Stroke
The main directional (air) control valve
compressed air to an air chamber, exerting uniform pressure
over the inner surface of the diaphragm
the exhausting air
is directed through the air valve assembly(s) to an exhaust
port
.
④
As inner chamber pressure
pressure
together creating discharge on one side and suction on the
opposite side. The discharged and primed liquid’s directions
are controlled by the check valves (ball or ap)
The pump primes as a result of the suction stroke. The
suction stroke lowers the chamber pressure
the chamber volume. This results in a pressure differential
necessary for atmospheric pressure
through the suction piping and across the suction side check
valve and into the outer uid chamber
Suction (side) stroking also initiates the reciprocating
(shifting, stroking or cycling) action of the pump. The suction
diaphragm’s movement is mechanically pulled through its
stroke. The diaphragm’s inner plate makes contact with an
actuator plunger aligned to shift the pilot signaling valve.
Once actuated, the pilot valve sends a pressure signal to the
opposite end of the main directional air valve, redirecting the
compressed air to the opposite inner chamber.
(P2), the rod
from behind the opposite diaphragm
③
(P1) exceeds liquid chamber
connected diaphragms shift
⑤
distributes
①
. At the same time,
②
orientation.
⑥
(P3) increasing
(P4) to push the uid
.
⑦
2: INSTAL & OP
Primed
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hdf1dl2sm-rev0614
Fluid
SUBMERGED ILLUSTRATION
MUFFLER
LIQUID
LEVEL
SUCTION
LINE
Pump can be submerged if the pump materials of construction
are compatible with the liquid being pumped. The air exhaust
must be piped above the liquid level. When the pumped product
source is at a higher level than the pump (ooded suction
condition), pipe the exhaust higher than the product source to
prevent siphoning spills.
1" DIAMETER AIR
EXHAUST PIPING
Model HDF1/HDF25 • 4
Recommended Installation Guide
Available Accessories:
1. Surge Suppressor
2. Filter/Regulator
3. Air Dryer
Unregulated Air
Supply to Surge
Suppressor
Pipe Connection
(Style Optional)
Flexible Connector
Vacuum
Gauge
2: INSTAL & OP
Surge Suppressor
Pressure Gauge
Shut-Off Valve
Discharge
Note: Surge Suppressor and
Piping must be supported after
the exible connection
Suction
Muffler
(Optional
1
Piped Exhaust)
Shut-Off Valve
Drain Port
2
Flexible
Connector
Flexible
Connector
3
Air Dryer
Check
Valve
Shut-Off
Valve
Air Inlet
Filter Regulator
P/N: 020.V107.000
Note: Pipe weight should not be supported
by pump connections.
Drain Port
Pipe Connection
(Style Optional)
CAUTION
The air exhaust should
be piped to an area
for safe disposition
of the product being
pumped, in the event of
a diaphragm failure.
Installation And Start-Up
Locate the pump as close to the product being pumped as possible. Keep the suction line length and number of ttings to a minimum. Do not reduce the suction line
diameter.
Air Supply
Connect the pump air inlet to an air supply with sufcient capacity and pressure to achieve desired performance. A pressure regulating valve should be installed to
insure air supply pressure does not exceed recommended limits.
Air Valve Lubrication
The air distribution system is designed to operate WITHOUT lubrication. This is the standard mode of operation. If lubrication is desired, install an air line lubricator
set to deliver one drop of SAE 10 non-detergent oil for every 20 SCFM (9.4 liters/sec.) of air the pump consumes. Consult the Performance Curve to determine air
consumption.
Air Line Moisture
Water in the compressed air supply may cause icing or freezing of the exhaust air, causing the pump to cycle erratically or stop operating. Water in the air supply can
be reduced by using a point-of-use air dryer.
Air Inlet And Priming
To start the pump, slightly open the air shut-off valve. After the pump primes, the air valve can be opened to increase air ow as desired. If opening the valve
increases cycling rate, but does not increase the rate of ow, cavitation has occurred. The valve should be closed slightly to obtain the most efcient air ow to pump
ow ratio.
Deadhead (system pressure meets or exceeds air
supply pressure).
Air valve or intermediate gaskets installed incorrectly. Install gaskets with holes properly aligned.
Bent or missing actuator plunger.Remove pilot valve and inspect actuator plungers.
Pump is over lubricated.Set lubricator on lowest possible setting or remove. Units are designed for lube free operation.
Lack of air (line size, PSI, CFM).Check the air line size and length, compressor capacity (HP vs. cfm required).
Check air distribution system.Disassemble and inspect main air distribution valve, pilot valve and pilot valve actuators.
Discharge line is blocked or clogged manifolds.Check for inadvertently closed discharge line valves. Clean discharge manifolds/piping.
Deadhead (system pressure meets or exceeds air
supply pressure).
Blocked air exhaust mufer.Remove mufer screen, clean or de-ice, and re-install.
Pumped uid in air exhaust mufer.Disassemble pump chambers. Inspect for diaphragm rupture or loose diaphragm plate assembly.
Pump chamber is blocked.Disassemble and inspect wetted chambers. Remove or ush any obstructions.
Cavitation on suction side.Check suction condition (move pump closer to product).
Check valve obstructed. Valve ball(s) not seating
properly or sticking.
Valve ball(s) missing (pushed into chamber or
manifold).
Valve ball(s) / seat(s) damaged or attacked by product. Check Chemical Resistance Guide for compatibility.
Check valve and/or seat is worn or needs adjusting.Inspect check valves and seats for wear and proper setting. Replace if necessary.
Suction line is blocked.Remove or ush obstruction. Check and clear all suction screens or strainers.
Excessive suction lift.For lifts exceeding 20’ of liquid, lling the chambers with liquid will prime the pump in most cases.
Suction side air leakage or air in product.Visually inspect all suction-side gaskets and pipe connections.
Pumped uid in air exhaust mufer.Disassemble pump chambers. Inspect for diaphragm rupture or loose diaphragm plate assembly.
Over lubrication.Set lubricator on lowest possible setting or remove. Units are designed for lube free operation.
Icing.Remove mufer screen, de-ice, and re-install. Install a point of use air drier.
Clogged manifolds.Clean manifolds to allow proper air ow.
Deadhead (system pressure meets or exceeds air
supply pressure).
Cavitation on suction side.Check suction (move pump closer to product).
Lack of air (line size, PSI, CFM).Check the air line size, length, compressor capacity.
Excessive suction lift.For lifts exceeding 20’ of liquid, lling the chambers with liquid will prime the pump in most cases.
Air supply pressure or volume exceeds system hd.Decrease inlet air (press. and vol.) to the pump. Pump is cavitating the uid by fast cycling.
Undersized suction line.Meet or exceed pump connections.
Restrictive or undersized air line.Install a larger air line and connection.
Suction side air leakage or air in product.Visually inspect all suction-side gaskets and pipe connections.
Suction line is blocked.Remove or ush obstruction. Check and clear all suction screens or strainers.
Pumped uid in air exhaust mufer.Disassemble pump chambers. Inspect for diaphragm rupture or loose diaphragm plate assembly.
Check valve obstructed.Disassemble the wet end of the pump and manually dislodge obstruction in the check valve pocket.
Check valve and/or seat is worn or needs adjusting.Inspect check valves and seats for wear and proper setting. Replace if necessary.
Entrained air or vapor lock in chamber(s).Purge chambers through tapped chamber vent plugs. Purging the chambers of air can be dangerous.
Diaphragm failure, or diaphragm plates loose.Replace diaphragms, check for damage and ensure diaphragm plates are tight.
Diaphragm stretched around center hole or bolt holes. Check for excessive inlet pressure or air pressure. Consult Chemical Resistance Chart for compatibility
Cavitation.Enlarge pipe diameter on suction side of pump.
Excessive ooded suction pressure.Move pump closer to product. Raise pump/place pump on top of tank to reduce inlet pressure.
Misapplication (chemical/physical incompatibility).Consult Chemical Resistance Chart for compatibility with products, cleaners, temperature limitations
Incorrect diaphragm plates or plates on backwards,
installed incorrectly or worn.
Excessive suction lift.For lifts exceeding 20’ of liquid, lling the chambers with liquid will prime the pump in most cases.
Undersized suction line.Meet or exceed pump connections.
Pumped uid in air exhaust mufer.Disassemble pump chambers. Inspect for diaphragm rupture or loose diaphragm plate assembly.
Suction side air leakage or air in product.Visually inspect all suction-side gaskets and pipe connections.
Check valve obstructed.Disassemble the wet end of the pump and manually dislodge obstruction in the check valve pocket.
Check valve and/or seat is worn or needs adjusting.Inspect check valves and seats for wear and proper setting. Replace if necessary.
Entrained air or vapor lock in chamber(s).Purge chambers through tapped chamber vent plugs.
Increase the inlet air pressure to the pump. Pump is designed for 1:1 pressure ratio at zero ow.
(Does not apply to high pressure 2:1 units).
Increase the inlet air pressure to the pump. Pump is designed for 1:1 pressure ratio at zero ow.
(Does not apply to high pressure 2:1 units).
Disassemble the wet end of the pump and manually dislodge obstruction in the check valve pocket.
Clean out around valve ball cage and valve seat area. Replace valve ball or valve seat if damaged.
Use heavier valve ball material.
Worn valve ball or valve seat. Worn ngers in valve ball cage (replace part). Check Chemical
Resistance Guide for compatibility.
Increase the inlet air pressure to the pump. Pump is designed for 1:1 pressure ratio at zero ow.
(Does not apply to high pressure 2:1 units).
with products, cleaners, temperature limitations and lubrication.
Install Back pressure device (Tech bulletin 41r). Add accumulation tank or pulsation dampener.
and lubrication.
Check Operating Manual to check for correct part and installation. Ensure outer plates have not been
worn to a sharp edge.
2: INSTAL & OP
For additional troubleshooting tips contact After Sales Support at service.warrenrupp@idexcorp.com or 419-524-8388
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hdf1dl2sm-rev0614
Model HDF1/HDF25 • 6
Composite Repair Parts Drawing
16
4
41
32
24
48
12
5
3: EXP VIEW
18
10
18
Service & Repair Kits
475.283.000 Air End Conversion Kit
(Converts from a Conductive Polypropylene Air
Valve Assembly to the Die Cast Aluminun Air Valve
Assembly) Valve Body Assembly, Gaskets, and
Longer Capscrews
476.311.000 Air End Kit
Sleeve and Spool Set, Pilot Valve Body Assembly,
Bumpers, Bushings, Gaskets, O-rings, Seals,
Plungers, and Retaining Rings
476.313.000 Air End Refurbishment Kit
(For cast iron centers with conductive
polypropylene air valve body)
Bumpers, Bushings, Gaskets, O-rings, Seals,
Plungers, and Retaining Rings
476.341.000 Air End Refurbishment Kit
(With new die cast aluminum air valve body)
Bumpers, Bushings, Gaskets, O-rings, Seals,
Plungers, and Retaining Rings
476.286.354 Wet End Kit
Santoprene Diaphragms, Santoprene Flap Valves,
EPDM HInge and Wear Pads, EPDM O-rings
and Seals
476.286.356 Wet End Kit
Hytrel Diaphragms, Hytrel Flap Valves, Neoprene
Hinge and Wear Pads, Neoprene O-rings and Seals
1556
36
52
29
1
26
3
25
44
35
46
47
28
50
32
43
37
51
23
37
11
36
43
32
50
27
9
54
57
13
27
11
13
57
54
9
30
28
46
12
2
42
46
31
5123
21
52
53
29
19
26
30
717
33
41
14
53
10
22
25
3
1
53
53
31
49
55
6
8
45
38
15
56
16
33
42
CAST IRON MID-SECTION
ASSEMBLY CONFIGURATION
8
7
476.286.360 Wet End Kit
Nitrile Diaphragms, Nitrile Flap Valves, Nitrile Hinge
and Wear Pads, Nitrile O-rings and Seals
476.286.363 Wet End Kit
FKM Diaphragms, FKM Flap Valves, FKM Hinge and
Wear Pads, FKM O-rings and Seals
476.286.364 Wet End Kit
EPDM Diaphragms, EPDM Flap Valves, EPDM
Hinge and Wear Pads, EPDM O-rings and Seals
476.286.365 Wet End Kit
Neoprene Diaphragms, Neoprene Flap Valves,
Neoprene Hinge and Wear Pads, Neoprene O-rings
and Seals
20
39
40
4
35
2
17
49
45
47
55
6
39
7 • Model HDF1/HDF25
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Composite Repair Parts List
Item Part Number Description Qty
1 031.030.557 Assembly, Air Valve
(Cast Iron Center) 1
= Items contained within Air End Kits
= Items contianed within Wet End Kits
Note: Kits contain components specic to the material codes.
ATEX Compliant
3: EXP VIEW
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hdf1dl2sm-rev0614
Model HDF1/HDF25 • 8
Material Codes - The Last 3 Digits of Part Number
000.....Assembly, sub-assembly;
and some purchased items
010.....Cast Iron
015.....Ductile Iron
020.....Ferritic Malleable Iron
080.....Carbon Steel, AISI B-1112
110 .....Alloy Type 316 Stainless Steel
111 ..... Alloy Type 316 Stainless Steel
(Electro Polished)
112 .....Alloy C
113 .....Alloy Type 316 Stainless Steel
(Hand Polished)
114 .....303 Stainless Steel
115 .....302/304 Stainless Steel
117 .....440-C Stainless Steel (Martensitic)
120.....416 Stainless Steel
(Wrought Martensitic)
148.....Hardcoat Anodized Aluminum
150.....6061-T6 Aluminum
152.....2024-T4 Aluminum (2023-T351)
155.....356-T6 Aluminum
156.....356-T6 Aluminum
157.....Die Cast Aluminum Alloy #380
158.....Aluminum Alloy SR-319
3: EXP VIEW
162.....Brass, Yellow, Screw Machine Stock
165.....Cast Bronze, 85-5-5-5
166.....Bronze, SAE 660
170.....Bronze, Bearing Type,
Oil Impregnated
180.....Copper Alloy
305.....Carbon Steel, Black Epoxy Coated
306.....Carbon Steel, Black PTFE Coated
307.....Aluminum, Black Epoxy Coated
308.....Stainless Steel, Black PTFE Coated
309.....Aluminum, Black PTFE Coated
313.....Aluminum, White Epoxy Coated
330.....Zinc Plated Steel
332.....Aluminum, Electroless Nickel Plated
333.....Carbon Steel, Electroless
Nickel Plated
335.....Galvanized Steel
337.....Silver Plated Steel
351.....Food Grade Santoprene
®
353.....Geolast; Color: Black
354.....Injection Molded #203-40
Santoprene
®
Duro 40D +/-5;
Color: RED
356.....Hytrel
®
357.....Injection Molded Polyurethane
358.....Urethane Rubber
(Some Applications)
(Compression Mold)
359.....Urethane Rubber
360.....Nitrile Rubber Color coded: RED
363.....FKM (Fluorocarbon)
Color coded: YELLOW
364.....EPDM Rubber
Color coded: BLUE
365.....Neoprene Rubber
Color coded: GREEN
366.....Food Grade Nitrile
368.....Food Grade EPDM
371.....Philthane (Tuftane)
374.....Carboxylated Nitrile
375.....Fluorinated Nitrile
378.....High Density Polypropylene
379.....Conductive Nitrile
408.....Cork and Neoprene
425.....Compressed Fibre
426.....Blue Gard
440.....Vegetable Fibre
500.....Delrin
®
500
502.....Conductive Acetal, ESD-800
503.....Conductive Acetal, Glass-Filled
506.....Delrin
®
150
520.....Injection Molded PVDF
Natural color
540.....Nylon
542.....Nylon
544.....Nylon Injection Molded
550.....Polyethylene
551.....Glass Filled Polypropylene
552.....Unlled Polypropylene
555.....Polyvinyl Chloride
556.....Black Vinyl
557.....Conductive Polypropylene
558.....Conductive HDPE
570.....Rulon II
580.....Ryton
®
®
600.....PTFE (virgin material)
Tetrauorocarbon (TFE)
603.....Blue Gylon
®
604.....PTFE
606.....PTFE
607.....Envelon
608.....Conductive PTFE
610.....PTFE Encapsulated Silicon
611 .....PTFE Encapsulated FKM
632.....Neoprene/Hytrel
®
633.....FKM/PTFE
634.....EPDM/PTFE
635.....Neoprene/PTFE
637.....PTFE, FKM/PTFE
638.....PTFE, Hytrel
®
/PTFE
639.....Nitrile/TFE
643.....Santoprene
644.....Santoprene
656 .....Santoprene
®
/EPDM
®
/PTFE
®
Diaphragm and
Check Balls/EPDM Seats
661.....EPDM/Santoprene
®
666.....FDA Nitrile Diaphragm,
PTFE Overlay, Balls, and Seals
668.....PTFE, FDA Santoprene®/PTFE
• Delrin and Hytrel are registered
tradenames of E.I. DuPont.
• Nylatron is a registered tradename
of Polymer Corp.
• Gylon is a registered tradename
of Garlock, Inc.
• Santoprene is a registered tradename
of Exxon Mobil Corp.
• Rulon II is a registered tradename
of Dixion Industries Corp.
• Ryton is a registered tradename
of Phillips Chemical Co.
• Valox is a registered tradename
of General Electric Co.
RECYCLING
Many components of SANDPIPER® AODD
pumps are made of recyclable materials.
We encourage pump users to recycle worn
out parts and pumps whenever possible,
after any hazardous pumped fluids are
thoroughly ushed.
9 • Model HDF1/HDF25
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Air Distribution Valve Assembly
With Aluminum Center
1E
1D
1F
1C
1B
1A
1C
1F
1D
1E
1E
1F
1C
1D
Air Distribution Valve Servicing
See repair parts drawing, remove screws.
Step 1: Remove hex capscrews (1E).
Step 2: Remove end cap (1D).
Step 3: Remove spool part of (1A) (caution: do not scratch).
Step 4: Press sleeve (1A) from body (1B).
Step 5: Inspect bumpers (1C) and o-rings (1F).
Step 6: Lightly lubricate O-Rings (1F) on sleeve (1A).
Step 7: Press sleeve (1A) into body (1B).
Step 8: Reassemble in reverse order, starting with step 3.
Note: Sleeve and spool (1A) set is match ground to a specied clearance
sleeve and spools (1A) cannot be interchanged.
ATEX Compliant
4: AIR END
Main Air Valve Assembly Parts List
Item Item Number Description Qty
1 031.203.000 Assembly, Main Air Valve 1
1A 031.039.000 Sleeve & Spool Set 1
1B 095.113.157 Body, Valve 1
1C 132.037.357 Bumper 2
1D 165.129.157 Cap, End 2
1E 170.032.330 1/4-20 X 3/4 Capscrew 8
1F 560.058.360 7/8 ID X 1/16 CS O-Ring 8
IMPORTANT
Read these instructions completely, before installation
and start-up. It is the responsibility of the purchaser
to retain this manual for reference. Failure to comply
with the recommendations stated in this manual will
damage the pump, and void factory warranty.
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Model HDF1/HDF25 • 10
1B
1A
1C
1F
1D
1E
1C
1F
1D
1E
Air Distribution Valve Assembly
With Cast Iron Center
4: AIR END
1E
1C
1D
1D
1F
1B
1A
1D
1C
1E
Air Distribution Valve Servicing
See repair parts drawing, remove screws.
Step 1: Remove end cap retainer (1E).
Step 2: Remove end cap (1C).
Step 3: Remove spool part of (1A) (caution, do not scratch).
Step 4: Press sleeve (1A) from body (1B).
Step 5: Inspect O-Ring (1D) and replace if necessary.
Step 6: Lightly lubricate O-Rings (1D) on spool (1A).
Step 7: Press sleeve (1A) into body (1B).
Step 8: Reassemble in reverse order.
Note: Sleeve and spool (1A) set is match ground to a specied clearance
sleeve and spools (1A) cannot be interchanged.
ATEX Compliant
Main Air Valve Assembly Parts List
Item Part Number Description Qty
1 031.030.557 Assembly, Main Air Valve 1
1A 031.039.000 Sleeve and Spool set 1
1B 095.051.557 Body, Air Valve 1
1C 165.038.558 Cap, End 2
1D 560.058.360 O-ring 8
1E 675.043.115 Ring, Retaining 2
11 • Model HDF1/HDF25
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Pilot Valve Assembly
4E
4C
4F
4A
4D
Pilot Valve Servicing
With Pilot Valve removed from pump.
Step 1: Remove snap ring (4F).
Step 2: Remove sleeve (4B), inspect O-Rings (4C),
replace if required.
Step 3: Remove spool (4D) from sleeve (4B),
inspect O-Rings (4E), replace if required.
Step 4: Lightly lubricate O-Rings (4C) and (4E).
Reassemble in reverse order.
ATEX Compliant
4B
PILOT VALVE ASSEMBLY PARTS LIST
Item Part Number Description Qty
4 095.074.001 Pilot Valve Assembly 1
4A 095.071.557 Pilot Valve Body 1
4B 755.025.162 Pilot Valve sleeve 1
4C 560.033.360 O-Ring 4
4D 775.014.115 Pilot Valve Spool 1
4E 560.023.360 O-Ring 4
4F 675.037.050 Retaining Ring 1
4: AIR END
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Model HDF1/HDF25 • 12
Diaphragm Service Drawing
2
20
13
37
29
183
46
54
40
54
37
15
55
16
17
19
34
14
39
52
24
32
24
Diaphragm Service Drawing - with Overlay
2
20
13
29
183
54
54
37
15
55
16
34
14
39
37
5: WET END
40
46
17
19
44
24
32
24
52
Diaphragm Service Drawing - One Piece Bonded
2
20
13
37
29
183
46
54
40
54
37
15
55
16
17
19
34
14
52
13 • Model HDF1/HDF25
24
32
24
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Diaphragm Servicing
Step 1: With manifolds and outer chambers
removed, remove diaphragm assemblies from
diaphragm rod. DO NOT use a pipe wrench or similar
tool to remove assembly from rod. Flaws in the rod
surface may damage bearings and seal. Soft jaws
in a vise are recommended to prevent diaphragm
rod damage.
Step 1.A: NOTE: Not all inner diaphragm plates
are threaded. Some models utilize a through hole
in the inner diaphragm plate. If required to separate
diaphragm assembly, place assembly in a vise,
gripping on the exterior cast diameter of the inner
plate. Turn the outer plate clockwise to separate the
assembly.
Always inspect diaphragms for wear cracks or
chemical attack. Inspect inner and outer plates for
deformities, rust scale and wear. Inspect intermediate
bearings for elongation and wear. Inspect diaphragm
rod for wear or marks.
Clean or repair if appropriate. Replace as required.
Step 2: Reassembly: There are two different types
of diaphragm plate assemblies utilized throughout the
Sandpiper product line: Outer plate with a threaded
stud, diaphragm, and a threaded inner plate.
Outer plate with a threaded stud, diaphragm, and
an inner plate with through hole. Secure threaded
inner plate in a vise. Ensure that the plates are being
installed with the outer radius against the diaphragm.
Step 8: On opposite side of pump, thread the
remaining assembly onto the diaphragm rod. Using a
torque wrench, tighten the assembly to the diaphragm
rod. Align diaphragm through bolt holes, always going
forward past the recommended torque. Torque values
are called out on the exploded view. NEVER reverse
to align holes, if alignment cannot be achieved
without damage to diaphragm, loosen complete
assemblies, rotate diaphragm and reassemble as
described above.
Step 9: Complete assembly of entire unit.
One Piece Diaphragm Servicing (Bonded PTFE
with integral plate) The One Piece diaphragm has
a threaded stud installed in the integral plate at the
factory. The inner diaphragm plate has a through
hole instead of a threaded hole. Place the inner
plate over the diaphragm stud and thread the rst
diaphragm / inner plate onto the diaphragm rod only
until the inner plate contacts the rod. Do not tighten. A
small amount of grease may be applied between the
inner plate and the diaphragm to facilitate assembly.
Insert the diaphragm / rod assembly into the pump
and install the outer chamber. Turn the pump over
and thread the second diaphragm / inner plate onto
the diaphragm rod. Turn the diaphragm until the
inner plate contacts the rod and hand tighten the
assembly. Continue tightening until the bolt holes
align with the inner chamber holes. DO NOT LEAVE
THE ASSEMBLY LOOSE.
Step 3: Lightly lubricate, with a compatible material,
the inner faces of both outer and inner diaphragm plates
when using on non Overlay diaphragms (For EPDM
water is recommended). No lubrication is required.
Step 4: Push the threaded outer diaphragm
plate through the center hole of the diaphragm.
Note: Most diaphragms are installed with the
natural bulge out towards the fluid side. S05,
S07, and S10 non–metallic units are installed
with the natural bulge in towards the air side.
Step 5: Thread or place, outer plate stud into
the inner plate. For threaded inner plates, use a
torque wrench to tighten the assembly together.
Torque values are called out on the exploded view.
Repeat procedure for second side assembly.
Allow a minimum of 15 minutes to elapse after
torquing, then re-torque the assembly to compensate
for stress relaxation in the clamped assembly.
Step 6: Thread one assembly onto the diaphragm
rod with sealing washer (when used) and bumper.
Step 7: Install diaphragm rod assembly
into pump and secure by installing the outer
chamber in place and tightening the capscrews.
5: WET END
IMPORTANT
Read these instructions completely,
before installation and start-up.
It is the responsibility of the
purchaser to retain this manual for
reference. Failure to comply with
the recommendations stated in this
manual will damage the pump, and
void factory warranty.
sa n d pip er pu mp .c om
hdf1dl2sm-rev0614
Model HDF1/HDF25 • 14
Written Warranty
5 - YEAR Limited Product Warranty
Quality System ISO 9001 Certied • Environmental Management Systems ISO 14001 Certied
Warren Rupp, Inc. (“Warren Rupp”) warrants to the original end-use purchaser that no product sold by
Warren Rupp that bears a Warren Rupp brand shall fail under normal use and service due to a defect in material
or workmanship within ve years from the date of shipment from Warren Rupp’s factory. Warren Rupp brands
include SANDPIPER®, MARATHON®, PortaPump®, SludgeMaster™ and Tranquilizer®.
~ See complete warranty at sandpiperpump.com/content/warranty-certications ~
Declaration of Conformity
Manufacturer: Warren Rupp, Inc.®, 800 N. Main Street
Mansfield, Ohio, 44902 USA
Certifies that Air-Operated Double Diaphragm Pump Series: HDB, HDF, M Non-Metallic,
S Non-Metallic, M Metallic, S Metallic, T Series, G Series, U Series, EH and SH High Pressure,
RS Series, W Series, SMA and SPA Submersibles, and Tranquilizer Surge Suppressors comply with
the European Community Directive 2006/42/EC on Machinery, according to Annex VIII.
This product has used Harmonized Standard EN809:1998+A1:2009, Pumps and Pump Units
for Liquids - Common Safety Requirements, to verify conformance.
October 20, 2005
Signature of authorized person
David Roseberry
Printed name of authorized person
Revision Level: F
7: WARRANTY
Date of issue
Engineering Manager
Title
August 23, 2012
Date of revision
EC Declaration of Conformity
EC Declaration of Conformity
EC Declaration of Conformity
In accordance with ATEX Directive 94/9/EC,
Equipment intended for use in potentially explosive environments.
Applicable Standard:
EN13463-1: 2001,
EN13463-5: 2003
David Roseberry, Engineering Manager
DATE/APPROVAL/TITLE:
27 MAY 2010
EN 60079-25: 2004
For pumps equipped with Pulse Output ATEX Option
KEMA Quality B.V. (0344)
AODD Pumps and Surge Suppressors
For Type Examination Designations, see page 2 (back)
AODD (Air-Operated Double Diaphragm) Pumps
EC Type Examination Certificate No. Pumps: KEMA 09ATEX0071 X
KEMA Quality B.V.
Utrechtseweg 310
6812 AR Arnhem, The Netherlands
Manufacturer: Warren Rupp, Inc.
®
, A Unit of IDEX Corportion
800 North Main Street, P.O. Box 1568, Mansfield, OH 44901-1568 USA
In accordance with ATEX Directive 94/9/EC,
Equipment intended for use in potentially explosive environments.
®
Manufacturer: Warren Rupp, Inc.
, A Unit of IDEX Corportion
800 North Main Street, P.O. Box 1568, Mansfield, OH 44902 USA
EN 60079-25: 2004
For pumps equipped with Pulse Output ATEX Option
KEMA Quality B.V. (0344)
Applicable Standard:
EN13463-1: 2001,
EN13463-5: 2003
AODD Pumps and Surge Suppressors
For Type Examination Designations
AODD (Air-Operated Double Diaphragm) Pumps
EC Type Examination Certificate No. Pumps: KEMA 09ATEX0071 X
KEMA Quality B.V.
Utrechtseweg 310
6812 AR Arnhem, The Netherlands
DATE/APPROVAL/TITLE:
27 MAY 2010
David Roseberry, Engineering Manager
ATEX Summary of Markings
Pump types, S1F, S15, S20,
and S30 provided with the
pulse output option
Pump types, S1F, S15, S20,
and S30 provided with the
integral solenoid option
Pump types, HDB1½, HDB40,
HDB2, HDB50, HDB3, HDF1,
HDF25, HDF2, HDF3M, PB¼,
S05, S1F, S15, S20, S30, SB1,
SB25, ST1½, ST40, G15, G20,
and G30, without the above
listed options, no aluminum
parts