— excess lubrication will reduce pump
performance.
NOTE: All non lube-free air-operated pumps
must be lubricated. Wilden suggests an arctic 5
weight oil (ISO grade 15). Do no over lubricate
pump. Excess lubrication will reduce pump
performance.
TEMPERATURE LIMITS:
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
Sanifl ex™ –29°C to 104°C –20°F to 220°F
Polytetrafl uoroethylene (PTFE)
4°C to 104°C 40°F to 220°F
Polyurethane –12°C to 66°C 10°F to 150°F
®
–40°C to 177°C –40°F to 350°F
NOTE: Not all materials are available for all
models. Refer to Section 2 for material options
for your pump.
CAUTION: When choosing pump materials, be
sure to check the temperature limits for all wetted
components. Example: Viton® has a maximum
limit of 177°C (350°F) but polypropylene has a
maximum limit of only 79°C (175°F).
CAUTION: Pumps should be thoroughly fl ushed
before installing into process lines. FDA and
USDA approved pumps should be cleaned and/
or sanitized before being used.
CAUTION: Always wear safety glasses and
appropriate safety equipment when 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 fl uid
to fl ow into a suitable container.
CAUTION: Blow out air line for 10 to 20 seconds
before attaching to pump to make sure all pipeline
debris is clear. Use an in-line air fi lter. A 5µ (micron)
air fi lter is recommended.
NOTE: When installing PTFE diaphragms, it is
important to tighten outer pistons simultaneously
(t urnin g in opposite directions) t o ensure t ight fi t.
(See torque specifi cations in Section 7.)
NOTE: Cast Iron PTFE-fi tted pumps come
standard from the factory with expanded PTFE
gaskets installed in the diaphragm bead of the
liquid chamber. PTFE gaskets cannot be re-used.
CAUTION: Maximum temperature limits are
based upon mechanical stress only. Certain
chemicals will signifi cantly reduce maximum
safe operating temperatures. Consult Chemical
Resistance Guide for chemical compatibility and
temperature limits.
WARNING: Prevention of static sparking — If
static sparking occurs, fi re or explosion could
result. Pump, valves and containers must be
grounded to a proper grounding point when
handling fl ammable fl uids and whenever
discharge of static electricity is a hazard.
CAUTION: Do no exceed 8.6 bar (125 psig) air
supply pressure [3.4 bar (50 psig) on UL Listed
pumps].
CAUTION: The process fl uid and cleaning fl uids
must be chemically compatible with all wetted
pump components. Consult Chemical Resistance
Guide.
WI L-11142- E- 03 1 WILDEN PUMP & ENGINEERING, LLC
CAUTION: When removing the end cap using
compressed air, the air valve end cap may come
out with considerable force. Hand protection
such as a padded glove or rag should be used to
capture the end cap.
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: Tighten all hardware prior to installation.
Page 4
Section 2
WILDEN PUMP DESIGNATION SYSTEM
T1510 ADVANCED™
METAL
76 mm (3") Pump
Maximum Flow Rate:
977 LPM (258 GPM)
LEGEND
MATERIAL CODES
MODEL
T1510 = 76 mm (3") ADVANCED™
TOP INLET/BOTTOM
DISCHARGE
WETTED PARTS
AND OUTER PISTON
AA = ALUMINUM / ALUMINUM
WW = DUCTILE IRON /
DUCTILE IRON
AIR CHAMBERS
A = ALUMINUM
T1510 / XXXXX / XXX / XX / XXX / XXXX
MODEL
FLAP VALVES
DIAPHRAGMS
AIR VALVE
CENTER BLOCK
AIR CHAMBERS
OUTER PISTONS
WETTED PARTS
CENTER BLOCK
A = ALUMINUM
AIR VALVE
D = BRASS W/OIL BOTTLE
DIAPHRAGMS
BNS = BUNA-N (red dot)
NES = NEOPRENE (green dot)
FLAP VALVES
BF = BUNA (red dot)
NF = NEOPRENE (green dot)
GASKETS
VALVE SEAT
VALVE SEAT
A = ALUMINUM
M = DUCTILE IRON
GASKETS
BN = BUNA-N (red dot)
NE = NEOPRENE (green dot)
SPECIALTY
CODE
(if applicable)
SPECIALTY CODES
0504 Horizontal Center Ported, DIN Threaded
NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOT FOR IDENTIFICATION
WILDEN PUMP & ENGINEERING, LLC 2 WIL-11142- 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 fl ow pattern
through the pump upon its initial stroke. It is assumed the pump has no fl uid in it prior to its initial stroke.
OPEN
BA
CLOSED
INLET
CLOSED
OPEN
CLOSED
BA
OPEN
OUTLET
Right Stroke Mid Stroke Left Stroke
FIGURE 1 The air valve dir ects pre ssurized
air 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 separation membrane between the
compressed air and liquid, balancing the
load and removing mechanical stress
from the diaphragm. The compressed
air moves the diaphragm away from
the center 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 atmosphere through the exhaust
port of the pump. The movement of
diaphragm B toward the center of the
pump creates a vacuum within chamber B.
Atmospheric pressure forces fl uid into
the inlet manifold forcing the inlet check
valve off its seat. Liquid is free to move
past the inlet check valve and fi ll the liquid
chamber (see shaded area).
FIGURE 2 When the pressurized diaphragm,
diaphr agm A, re ache s the limit of i ts dis charge
stroke, the air valve redirects pressurized
air to the back side of diaphragm B. The
pressurized air forces diaphragm B away
from the center while pulling diaphragm A
to the center. Diaphragm B is now on its
discharge stroke. Diaphragm B forces the
inlet check valve 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
check valve off its seat, while the opposite
discharge check valve is forced onto its
seat, forcing fl uid to fl ow through the pump
discharge. The movement of diaphragm A
toward the center of the pump creates a
vacuum within liquid chamber A. Atmospheric pressure forces fl uid into the inlet
manifold of the pump. The inlet check valve
is forced off its seat allowing the fl uid being
pumped to fi ll the liquid chamber.
INLET
OUTLET
OPEN
CLOSED
CLOSEDOPEN
INLET
BA
OPEN
OUTLET
FIGURE 3 At completion of the stroke,
the air valve again redirects air to the
back side of diaphragm A, which starts
diaphragm B on its suction stroke. As
the pump reaches its original starting
point, each diaphragm has gone through
one suction 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.
NOTE: The fl uid inlet of the Brahma
Advanced™ pump is located at the top
and the fl uid discharge is located at the
bottom of the pump.
CLOSED
HOW IT WORKS—AIR DISTRIBUTION SYSTEM
The Turbo-Flo™ air distribution system incorporates one moving
part and consists of an air valve body, air valve piston and center
block. The unique design of the air valve relies on differential
pressure and works in conjunction with the center block bushing
and the shaft/diaphragm assembly to direct pressurized air into
one of the air chambers while exhausting the other. The air causes
the shaft/diaphragm assembly to shift to one side – discharging
liquid on that side and pulling liquid in on the other side. When
the shaft/diaphragm assembly reaches the end of its stroke, the
slots on the shaft align with the slots in the center block bushing
“triggering” the air valve piston to shift in the air valve body. The
repositioning of the air valve piston routes the pressurized air to
the other air chamber.
Height .................................754 mm (29.7”)
Width ..................................874 mm (34.4”)
Depth ..................................427 mm (16.8”)
Ship Weight ......Aluminum 84 kg (185 lbs.)
Ductile Iron 162 kg (357 lbs.)
Air Inlet ................................... 19 mm (3/4”)
Inlet ............................................ 76 mm (3”)
Outlet ......................................... 76 mm (3”)
Suction Lift ........................ 7.4 m Dry (24.4’)
9.3 m Wet (30.6’)
Displacement Per Stroke ..5.56 l (1.47 gal.)¹
Max. Flow Rate ............ 977 lpm (258 gpm)
Max. Size Solids ........................76 mm (3”)
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 394 lpm (104 gpm)
against a discharge pressure head of 1.9
bar (28 psig) requires 2.8 bar (40 psig) and
102 Nm3/h (60 scfm) air consumption. (See
dot on chart.)
Caution: Do not exceed 8.6 bar (125 psig)
air supply pressure.
Section 5B
T1510 ADVANCED™ METAL
RUBBER-FITTED
SUCTION LIFT CURVE
WI L-11142- E- 03 5 WILDEN PUMP & ENGINEERING, LLC
Page 8
Section 6
SUGGESTED INSTALLATION
Wilden pumps are designed to meet the performance
requirements of even the most demanding pumping
applications. They have been designed and manufactured
to the highest standards and are available in a variety of
wetted path materials to meet your chemical resistance
needs. Refer to the performance section of this manual for
an in-depth analysis of the performance characteristics of
your pump. Wilden offers the widest variety of elastomer
options in the industry to satisfy temperature, chemical
compatibility, abrasion resistance and fl ex concerns.
The suction pipe size should be at least the equivalent or
larger than the diameter size of the suction inlet on your
Wilden pump. The suction hose must be non-collapsible,
reinforced type as these pumps are capable of pulling a high
vacuum. Discharge piping should also be the equivalent
or larger than the diameter of the pump discharge which
will help reduce friction losses. It is critical that all fi ttings
and connections are airtight or a reduction or loss of pump
suction capability will result.
NOTE: The fl uid inlet to the Brahma™ Advanced™ pump is
located at the top and the fl uid discharge is located at the
bottom of the pump.
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 where equipment will be situated on the production
fl oor. Multiple installations with confl icting requirements
can result in congestion of utility areas, leaving few choices
for additional pumps.
Within the framework of these and other existing conditions,
every pump should be located in such a way that six key factors
are balanced against each other to maximum advantage.
ACCESS: First of all, the location should be accessible. If
it’s 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.
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. Use air pressure up to a maximum of
8.6 bar (125 psig) depending on pumping requirements.
For best results, the pumps should use a 5µ (micron) air
fi lter, needle valve and regulator. The use of an air fi lter
before the pump will ensure that the majority of any pipeline
contaminants will be eliminated.
SOLENOID OPERATION: When operation is controlled by a
solenoid valve in the air line, three-way valves should be
used. This valve allows trapped air between the valve and
the pump to bleed off which improves pump performance.
Pumping volume can be estimated by counting the number
of strokes per minute and then multiplying the fi gure by the
displacement per stroke.
MUFFLER: Sound levels are reduced below OSHA
specifi cations using the standard Wilden muffl er. Other
muffl ers can be used to further reduce sound levels, but
they usually reduce pump performance.
ELEVATION: Selecting a site that is well within the pump’s
dynamic lift capability will assure that loss-of-prime issues will
be eliminated. In addition, pump effi ciency can be adversely
affected if proper attention is not given to site location.
PIPING: Final determination of the pump site should not be
made until the piping challenges 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 fi ttings should be avoided.
Pipe sizes should be selected to keep friction losses within
practical limits. All piping should be supported independently
of the pump. In addition, the piping should be aligned to
avoid placing stress on the pump fi ttings.
Flexible hose can be installed to aid in 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 surge suppressor (SD Equalizer
should be installed to protect the pump, piping and gauges
from surges and water hammer.
If the pump is to be used in a self-priming application, make
sure that all connections are airtight and that the suction lift is
within the model’s ability. Note: Materials of construction and
elastomer material have an effect on suction lift parameters.
Please refer to the performance section for specifi cs.
When pumps are installed in applications involving fl ooded
suction or suction head pressures, a gate valve should be
installed in the suction line to permit closing of the line for
pump service.
Pumps in service with a positive suction head are most effi cient
when inlet pressure is limited to 0.5–0.7 bar (7–10 psig).
Premature diaphragm failure may occur if positive suction
is 0.7 bar (10 psig) and higher.
SUBMERSIBLE APPLICATIONS: Turbo-Flo™ pumps can be
used for submersible applications. Pro-Flo V™ pumps can
also be used for submersible applications.
NOTE: Accu-Flo™ pumps are not submersible.
ALL WILDEN PUMPS ARE CAPABLE OF PASSING SOLIDS.
A STRAINER SHOULD BE USED ON THE PUMP INTAKE TO
ENSURE THAT THE PUMP'S RATED SOLIDS CAPACITY IS
NOT EXCEEDED.
CAUTION: DO NOT EXCEED 8.6 BAR (125 PSIG) AIR SUPPLY
PRESSURE [3.4 BAR (50 PSIG) FOR UL LISTED MODELS].
WILDEN PUMP & ENGINEERING, LLC 6W IL-1114 2-E- 03
®
)
Page 9
SUGGESTED INSTALLATION
NOTE: The fl uid inlet to the Brahma Advanced™
pump is located at the top and the fl uid discharge
is located at the bottom of the pump.
NOTE: In the event of a power failure, the shut off valve
should be closed, if the restarting of the pump is not
desirable once power is regained.
AIR OPERATED PUMPS: To stop the pump from
operating in an emergency situation, simply close the
shut off valve (user supplied) installed in the air supply
line. A properly functioning valve will stop the air supply
to the pump, therefore stopping output. This shut off
valve should be located far enough away from the
pumping equipment such that it can be reached safely
in an emergency situation.
WI L-11142- E- 037WILDEN PUMP & ENGINEERING, LLC
Page 10
SUGGESTED OPERATION & MAINTENANCE
OPERATION: The Turbo-Flo™ pump is is a non lube free
pump and requires lubrication. Wilden suggests an
arctic 5 weight oil (ISO grade 15). Do not over lubricate
the pump. Excessive lubrication will not damage the
pump but will reduce pump performance.
Pump discharge rate can be controlled by limiting the
volume and/or pressure of the air supply to the pump. A
regulator is used to control air pressure while a needle
valve is used to control volume. Pump discharge rate
can also be controlled by throt tling the pump discharge
by partially closing a valve in the discharge line of the
pump. This action increases friction loss which reduces
fl ow rate. (See Section 5.) This is useful when the need
exists to control the pump from a remote location.
When the pump discharge pressure equals or exceeds
the air supply pressure, the pump will stop; no bypass
or pressure relief valve is needed, and pump damage
will not occur. The pump has reached a “deadhead”
situation and can be restarted by reducing the fl uid
discharge pressure or increasing the air inlet pressure.
TROUBLESHOOTING
Tur b o -Flo V ™ p umps run s o lely on c o m pres s e d air
and do not generate heat, therefore your process fl uid
temperature will not be affected.
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 fl uid all affect
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.
RECORDS: When service is required, a record should be
made of all necessary repairs and replacements. Over
a period of 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.
Pump will not run or runs slowly.
1. Check air inlet screen and air fi lter for debris.
2. Disassemble the pump and check for objects which
would obstruct the movement of the internal parts.
3. Check for sticking air valve piston. If air valve piston
doesn’t move freely, fl ush air valve with solvent.
4. Check for extreme air leakage (blow by) which would
indicate worn air valve or worn main shaft seals.
5. Check for loose outer piston.
6. Check type of lubricant being used. A higher
viscosity oil than suggested may cause the piston
to stick or run erratically. Wilden suggests the use of
an oil with arctic characteristics (ISO 15-5 wt.).
Pump runs but little or no product fl ows.
1. Check for pump cavitation; slow pump speed down
to allow thick material to fl ow into liquid chambers.
2. Verify that vacuum required to lift liquid is not
greater than the vapor pressure of the material
being pumped (cavitation).
3. Check for sticking check valves. If material being
pumped is not compatible with pump elastomers,
swelling may occur. Replace check valves with
proper elastomers.
Pump air valve freezes.
1. Check for excessive moisture in compressed
air. Either install a dryer or hot air generator for
c o m p r e s s e d a i r . A l t e r n a t i v e l y , a c o a l e s c i n g fi lter may
be used to remove the water from the compressed
air in some applications.
Air bubbles in pump discharge.
1. Check for ruptured diaphragm.
2. Check tightness of outer pistons (refer to Section 7).
3. Check tightness of fasteners and integrity of
o-rings and seals, especially at intake manifold.
4. Ensure pipe connections are airtight.
Product comes out air exhaust.
1. Check for diaphragm rupture.
2. Check tightness of outer pistons to shaft.
WILDEN PUMP & ENGINEERING, LLC 8W IL-1114 2-E- 03
Page 11
Section 7
PUMP DISASSEMBLY
TOOLS REQUIRED:
• 7/16" Wrench
• 3/4" Wrench
• 11/16" Wrench
• 1-1/8" Wrench
• 5/16" Hex Key Wrench
• 7/32" Hex Key Wrench
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 fl uid to fl ow into a suitable container. Be aware of any
hazardous effects of contact with your process fl uid.
Step 1
Before starting disassembly, mark
a line from each liquid chamber
to the corresponding air chamber.
This will assist in proper alignment
during reassembly.
WI L-11142- E- 03 9 WILDEN PUMP & ENGINEERING, LLC
Step 2
Using a 3/4" wrench, remove the
fasteners that connect the inlet
elbow to the inlet T- section.
Step 3
Using a 3/4" wrench, remove the
fasteners that connect the inlet
elbow to the liquid chamber.
Page 12
PUMP DISASSEMBLY
Step 4
Next, remove the inlet elbow from
the liquid chamber.
Step 5
Next, remove the fl ap valve assembly
from the inlet area of the liquid
chamber. Inspect fl ap valve gaskets
for nicks, gouges, chemical attack or
abrasive wear. Note: replace worn
parts with genuine Wilden parts for
reliable performance.
Step 6
Using a 7/16" wrench, remove the
fl ap valve, the fl ap valve hinge, and
fl ap valve retainer from the fl ap
valve seat.
Step 7
Using a 3/4" wrench, remove the
fasteners that connect the remaining
inlet elbow to the inlet T-section.
Using a 3/4" wrench, remove the
fasteners that connect the remaining
inlet elbow to the liquid chamber.
Step 9
Next, remove the remaining inlet
elbow from the liquid chamber.
Page 13
PUMP DISASSEMBLY
Step 10
Next, remove the remaining inlet
fl ap valve assembly from the inlet
elbow. Inspect fl ap valve for nicks,
gouges, chemical attack or abrasive
wear. Note: replace worn parts with
genuine Wilden parts for reliable
performance.
Step 11
Using a 3/4" wrench, remove the
fasteners that connect the discharge
elbow to the discharge T-section
and the discharge area of the liquid
chamber.
Step 12
Next, remove the discharge elbow
from the liquid chamber.
Step 13
Now, remove the discharge fl ap
valve assembly.
WI L-11142- E- 03 11 WILDEN PUMP & ENGINEERING, LLC
Step 14
Using a 3/4" wrench, remove the
fasteners that connect the remaining
discharge elbow to the discharge Tsection.
Step 15
Next, using a 3/4" remove the
fasteners that connect the discharge
elbow to the liquid chamber.
Page 14
PUMP DISASSEMBLY
Step 16
Remove the remaining discharge
elbow from the liquid chamber.
Step 17
Now the remaining fl ap valve
assembly can be removed.
Step 18
Next, remove the threaded studs
from the liquid chamber.
Step 19
Using a 1/4" hex key wrench,
remove fasteners that connect
the air valve to the center section.
Inspect air valve gasket and replace
if necessary.
Prior to attempting removal of the
Brahma™ pump stand, position the
pump on its side. This will remove
the load on each pump stand foot,
allowing easy removal. Next, using
a 3/4" wrench, remove the fastener
that connects pump stand feet to
the air chamber.
Step 21
Next, with the pump positioned
on the other side, remove the
remaining two pump feet.
Page 15
PUMP DISASSEMBLY
Step 22
With the pump still positioned on its
side, use a 3/4" wrench to remove
the fasteners and liquid chamber.
Step 23
To remove the diaphragm assembly
from the pump, remove the lock nut
located at the outer piston using a
1-1/8" wrench.
Step 24
With the lock nut removed, the
diaphragm assembly can now be
removed.
Step 25
Using a 5/16" hex key wrench,
remove the fasteners that connect
the inner piston to the diaphragm
assembly.
WI L-11142- E- 03 13 WILDEN PUMP & ENGINEERING, LLC
Step 26
With the diaphragm assembly
removed, the bumper can be
removed from the shaft as well.
Step 27
While keeping the rest of the pump
secured and using a 3/4" wrench,
remove the fasteners that connect
the liquid chamber to the air
chamber.
Page 16
PUMP DISASSEMBLY
Step 28
With the liquid chamber fasteners
removed, the center section can
be lifted away from the liquid
chamber.
Step 29
Using a 7/32" hex key wrench and a
9/16" wrench, remove the fasteners
that connect the air chamber to the
center block.
Step 30
Next, list the air chamber away
from the center section, exposing
the center block gasket. Inspect
for nicks, gouges, chemical attack
or abrasive wear and replace if
necessary.
Step 31
Using a 5/8" wrench, remove the
fasteners that connect the center
block adapter plate to the air
chamber.
Next, remove the center block
adapter plate o-ring and inspect for
nicks, gouges, chemical attack or
abrasive wear.
Page 17
AIR VALVE / CENTER SECTION DISASSEMBLY
The air valve assembly consists of both the air valve
body and piston and the center block. The unique
design of the air valve relies on differential pressure to
effect the diaphragm shift. It is reliable and simple to
maintain. The bushing in the center block, along with
the diaphragm shaft, provides the “trigger” to tell the
air valve to shift. The following procedure will ensure
that the air valve on your Wilden pump will provide
long-lasting trouble-free service.
Air Valve Body And Piston
Assembly And Disassembly:
The air valve body and piston can be disconnected
from the pump by removing the four socket head cap
screws which attach it to the center block. The piston
in the air valve is aluminum with a dark gray anodized
coating. The piston should move freely and the ports
in the piston should line up with the ports on the face
of the air valve body (see fi gure A). The piston should
also appear to be a dull, dark gray in color. If the piston
appears to be a shiny aluminum color, the air valve is
probably worn beyond working tolerance and should
be replaced.
If the piston does not move freely in the air valve,
the entire air valve should be immersed in a
cleaning solution.
[NOTE: Do not force the piston by inserting a metal
object.] This soaking should remove any accumulation
of sludge and grit which is preventing the air valve
piston from moving freely. Also, remove and clean the
air valve screen. If the air valve piston does not move
freely after the above cleaning, the air valve should be
disassembled as follows: remove the snap ring from
the top end of the air valve cylinder and apply an air jet
to the 3/16-inch hole on the opposite end of the air valve
face (see fi gure B). CAUTION: The air valve end cap may
come out with considerable force. Hand protection such
as a padded glove or rag should be used to capture the
end cap.
Figure AFigure B
WI L-11142- E- 03 15 WILDEN PUMP & ENGINEERING, LLC
Page 18
AIR VALVE / CENTER SECTION DISASSEMBLY
Small nicks can usually be dressed out and the piston
returned to service. Make sure that the guide pin is
straight and smooth or the piston will not move freely in
the cylinder. Clean out anti-centering pin holes located
at each side of the piston. Pin holes are located on each
side of the annular groove on the top of the piston and
travel to each end. New o-rings should be installed on
the end caps. Lubricate the o-rings and install the end
caps, assuring that proper alignment of the piston and
cylinder ports are maintained (see fi gure A). Reinstall air
valve to center block of pump.
Glyd™ Ring Replacement:
When the Glyd™ rings become worn, they will no longer
seal and must be replaced.
Center Block Assembly:
The pump’s center block consists of a die cast housing
with a cast-in bronze bushing (see fi gure C). The bushing
has eleven grooves cut on the inside diameter. There are
seven Glyd™ rings that fi t into these grooves (see fi gure
G). Since these Glyd™ rings form a part of the shifting
function of the pump, it is necessary that they be located
in the proper grooves. When bushing wear becomes
excessive, a new center block must be used.
Figure C
(Side View)
3/16" DRILL
BLEED-OFF
PORT
Grooves in
bushing which
contain Glyd™ rings
P/N 15-3210-55-225
Figure D
5/32" DRILL
BLEED-OFF
PORT
3/16" DRILL
BLEED-OFF
PORT
P/N 08-3806-09
Figure G
Center Block (Front View)
WILDEN PUMP & ENGINEERING, LLC 16WIL-11142- E- 03
Page 19
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 fi rst, then
the diaphragms and fi nally the wetted path. Please fi nd
the applicable torque specifi cations 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 shaft seals.
• Remove the air chamber from the center block
assembly prior to removing the center block adapter
plate from the air chamber.
• When reassembling the pump, leave wetted
path fasteners somewhat loose until all wetted
components are installed. This will simplify proper
wetted component joint alignment and will ensure
proper sealing.
• Stainless steel bolts should be lubed to reduce the
possibility of seizing during tightening.
SHAFT SEAL INSTALLATION:
Pre-installation
• Once all of the old seals have been removed, the
inside of the bushing should be cleaned to ensure
no debris is left that may cause premature damage
to the new seals.
T1510 MAXIMUM TORQUE SPECIFICATIONS
INSTALLATION
The following tools can be used to aid in the installation
of the new seals:
Needle Nose Pliers
Phillips Screwdriver
Electrical Tape
• Wrap electrical tape around each leg for the needle
nose pliers (heat shrink tubing may also be used).
This is done to prevent damage to the inside surface
of the seal.
• With a new seal in hand, place the two prongs of the
needle nose pliers inside the seal ring (see fi gure E).
• Open the pliers as wide as the seal diameter will allow,
then with two fi ngers pull down on the top portion of
the seal to form a kidney shape (see fi gure F).
• Lightly clamp the pliers together to hold the seal
into the kidney shape. Be sure to pull the seal into
as tight of a kidney shape as possible. This will allow
the seal to travel down the bushing bore easier.
• With the seal clamped in the needle nose pliers,
insert the seal into the bushing bore and position the
bottom of the seal into the correct groove. Once the
bottom of the seal is seated in the groove, release
the clamp pressure on the pliers. This will allow the
seal to partially snap back to its original shape.
• Slowly insert the shaft with a rotating motion. This
wil l allow complete the resizing of the seal.
• Perform these steps for the remaining seals.
Description of PartTorque
Air Valve9.0 N•m (80 in-lbs)
Center Block Assembly27.1 N•m (20 ft-lbs)
Center Block Adapter Plate to Air Chamber40.7 N•m (30 ft-lbs)
Outer Piston40.7 N•m (30 ft-lbs)
Flap Valve Assembly1.7 N•m (15 in-lbs)
Liquid Chamber to Air Chamber40.7 N•m (30 ft-lbs)
Manifold Elbow to Liquid Chamber40.7 N•m (30 ft-lbs)
Manifold Elbow to T-Section40.7 N•m (30 ft-lbs)
Figure F
NEEDLE NOSE
PLIERS
Figure E
SHAFT SEAL
SHAFT SEAL
TAPE
WI L-11142- E- 0317WILDEN PUMP & ENGINEERING, LLC
TAPE
Page 20
Section 8
EXPLODED VIEW AND PARTS LISTING
T1510 ADVANCED METAL
DRAWING B
DRAWING A
Wetted PathEXPLODED VIEW
DRAWING C
ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN CONVERSION KIT
2Screen, Air Valve108-2500-0708-2500-0708-2500-0708-2500-07
3Cap (without Guide), Air Valve Body End115-2330-2315-2330-2315-2330-2315-2330-23
4Cap (with Guide), Air Valve Body End115-2300-2315-2300-2315-2300-2315-2300-23
5Ring, Retaining215-2650-0315-2650-0315-2650-0315-2650-03
6O-ring215-2390-5215-2390-5215-2390-5215-2390-52
7Gasket, Air Valve115-2600-5215-2600-5215-2600-5215-2600-52
8Screw, 5/16-18 × 2¼ SHC408-6000-0808-6000-0808-6000-0808-6000-08
9Center Block115-3100-01-22515-3100-01-22515-3100-01-22515-3100-01-225
10 Shaft Seal (Not Shown)715-3210-55-22515-3210-55-22515-3210-55-22515-3210-55-225
11 Gasket, Center Block215-3528-5215-3528-5215-3528-5215-3528-52
12 Plate, Center Block Adapter208-3880-0108-3880-0108-3880-0108-3880-01
30 Seat, Flap Valve415-1150-0115-1150-0215-1150-0115-1150-02
31 Left - Hand Foot215-5546-0815-5546-0815-5546-0815-5546-08
32 Right - Hand Foot215-5545-0815-5545-0815-5545-0815-5545-08
33 Nut, 3/8-16 Cone408-6550-0808-6550-0808-6550-0808-6550-08
Replaces items 55, 56 & 57 if this option is selected
3
Conversion Kit quantity = 8pcs
All boldface items are primary wear parts.
T1510/
WWAAD/…/0504 P/N
T1510/
AAAAD/…P/N
T1510/
WWAAD/…/0504 P/N
Circled items included in T1510 Conversion Kit P/N 15 -9 670- 01
0504 Specialty Code = Horizontal Center Ported,
DIN-Flanged
Page 22
EXPLODED VIEW AND PARTS LISTING
T1510 ADVANCED METAL
Center Section AssemblyEXPLODED VIEW
DRAWING A
58
ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN CONVERSION KIT
WILDEN PUMP & ENGINEERING, LLC 20WIL-11142- E- 03
(see section 9).
Page 23
EXPLODED VIEW AND PARTS LISTING
T1510 ADVANCED METAL
Item DescriptionItem
1Assembly, Air Valve
2Screen, Air Valve108-2500-0708-2500-0708-2500-0708-2500-07
3Cap (without Guide), Air Valve Body End115-2330-2315-2330-2315-2330-2315-2330-23
4Cap (with Guide), Air Valve Body End115-2300-2315-2300-2315-2300-2315-2300-23
5Ring, Retaining215-2650-0315-2650-0315-2650-0315-2650-03
6O-ring215-2390-5215-2390-5215-2390-5215-2390-52
7Gasket, Air Valve115-2600-5215-2600-5215-2600-5215-2600-52
8Screw, 5/16-18 × 2¼ SHC408-6000-0808-6000-0808-6000-0808-6000-08
9Center Block115-3100-01-22515-3100-01-22515-3100-01-22515-3100-01-225
10Shaft Seal (Not Shown)715-3210-55-22515-3210-55-22515-3210-55-22515-3210-55-225
11Gasket, Center Block215-3528-5215-3528-5215-3528-5215-3528-52
12Plate, Center Block Adapter208-3880-0108-3880-0108-3880-0108-3880-01
13O-Ring208-3025-5208-3025-5208-3025-5208-3025-52
14Chamber, Air215-3665-0115-3665-0115-3665-0115-3665-01
Replaces items 55, 56 & 57 if this option is selected
3
Conversion Kit quantity = 8pcs
All boldface items are primary wear parts.
T1510/
WWAAD/…/0504 P/N
Circled items included in T1510 Conversion Kit P/N 15 -9 670- 01
0504 Specialty Code = Horizontal Center Ported,
DIN-Flanged
T1510/
AAAAD/…P/N
WWAAD/…/0504 P/N
T1510/
Page 24
EXPLODED VIEW AND PARTS LISTING
T1510 ADVANCED METAL
Flap AssembliesEXPLODED VIEW
DRAWING B
DRAWING C
WILDEN PUMP & ENGINEERING, LLC 22WIL-11142- E- 03
Page 25
EXPLODED VIEW AND PARTS LISTING
T1510 ADVANCED METAL
Item DescriptionQty
1Assembly, Air Valve
2Screen, Air Valve108-2500-0708-2500-0708-2500-0708-2500-07
3Cap (without Guide), Air Valve Body End115-2330-2315-2330-2315-2330-2315-2330-23
4Cap (with Guide), Air Valve Body End115-2300-2315-2300-2315-2300-2315-2300-23
5Ring, Retaining215-2650-0315-2650-0315-2650-0315-2650-03
6O-ring215-2390-5215-2390-5215-2390-5215-2390-52
7Gasket, Air Valve115-2600-5215-2600-5215-2600-5215-2600-52
8Screw, 5/16-18 × 2¼ SHC408-6000-0808-6000-0808-6000-0808-6000-08
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 INFORMATION
Item #Serial #
Company Where Purchased
YOUR INFOR MATION
Company Name
Industry
NameTitle
Street Address
CityStatePostal CodeCountry
TelephoneFaxE-mailWeb Address
Number of pumps in facilit y?Number of Wilden pumps?
Types of pumps in facility (check all that apply):Diaphragm Centrifugal GearSubmersibleLobe
Other
Media being pumped?
How did you hear of Wilden Pump?
Other
Trade JournalTrade ShowInternet/E-mailDistributor
ONCE COMPLETE, FAX TO (909) 783-3440
NOTE: WARRANTY VOID IF PAGE IS NOT FA XED TO WILDEN
WILDEN PUMP & ENGINEERING, LLC
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