Graco Water Pump 3A2888A User Manual

Operation  
Husky ™ 15120 Air-Operated  
Diaphragm Pump  
3A2888A  
EN  
Polypropylene or PVDF pumps for fluid transfer applications. For professional use only.  
Not for use in European explosive atmosphere locations.  
Important Safety Instructions  
Read all warnings and instructions in this manual and in your  
Repair/Parts manual.  
Save these instructions.  
Maximum Working Pressure: 125 psi  
(0.86 MPa, 8.6 bar)  
PROVEN QUALITY. LEADING TECHNOLOGY.  
 
Warnings  
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The  
exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific  
risks. When these symbols appear in the body of this manual or on warning labels, refer back to these  
Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout  
the body of this manual where applicable.  
WARNING  
FIRE AND EXPLOSION HAZARD  
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help  
prevent fire and explosion:  
• Use equipment only in well ventilated area.  
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and  
plastic drop cloths (potential static arc).  
• Keep work area free of debris, including solvent, rags and gasoline.  
• Do not plug or unplug power cords, or turn power or light switches on or off when flammable  
fumes are present.  
• Ground all equipment in the work area. See Grounding instructions.  
• Use only grounded hoses.  
• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless  
they are antistatic or conductive.  
Stop operation immediately if static sparking occurs or you feel a shock. Do not use  
equipment until you identify and correct the problem.  
• Keep a working fire extinguisher in the work area.  
• Route exhaust away from all ignition sources. If diaphragm ruptures, fluid may be exhausted  
with air.  
Static charge may build up on plastic parts during cleaning and could discharge and ignite  
flammable vapors. To help prevent fire and explosion:  
• Clean plastic parts only in well ventilated area.  
• Do not clean with a dry cloth.  
• Do not operate electrostatic guns in equipment work area.  
PRESSURIZED EQUIPMENT HAZARD  
Fluid from the equipment, leaks, or ruptured components can splash in the eyes or on skin  
and cause serious injury.  
• Follow the Pressure Relief Procedure when you stop spraying/dispensing and before  
cleaning, checking, or servicing equipment.  
• Tighten all fluid connections before operating the equipment.  
• Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.  
3A2888A  
3
 
 
WARNING  
EQUIPMENT MISUSE HAZARD  
Misuse can cause death or serious injury.  
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.  
• Do not exceed the maximum working pressure or temperature rating of the lowest rated  
system component. See Technical Data in all equipment manuals.  
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data  
in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete  
information about your material, request MSDS from distributor or retailer.  
• Do not leave the work area while equipment is energized or under pressure.  
• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.  
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine  
manufacturer’s replacement parts only.  
• Do not alter or modify equipment. Alterations or modifications may void agency approvals  
and create safety hazards.  
• Make sure all equipment is rated and approved for the environment in which you are using it.  
• Use equipment only for its intended purpose. Call your distributor for information.  
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.  
• Do not kink or over bend hoses or use hoses to pull equipment.  
• Keep children and animals away from work area.  
• Comply with all applicable safety regulations.  
THERMAL EXPANSION HAZARD  
Fluids subjected to heat in confined spaces, including hoses, can create a rapid rise in pressure  
due to the thermal expansion. Over-pressurization can result in equipment rupture and serious  
injury.  
• Open a valve to relieve the fluid expansion during heating.  
• Replace hoses proactively at regular intervals based on your operating conditions.  
PLASTIC PARTS CLEANING SOLVENT HAZARD  
Many solvents can degrade plastic parts and cause them to fail, which could cause serious  
injury or property damage.  
• Use only compatible water-based solvents to clean plastic structural or pressure-containing  
parts.  
• See Technical Data in this and all other equipment instruction manuals. Read fluid and  
solvent manufacturer’s MSDSs and recommendations.  
4
3A2888A  
 
WARNING  
TOXIC FLUID OR FUMES HAZARD  
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin,  
inhaled, or swallowed.  
• Read MSDSs to know the specific hazards of the fluids you are using.  
• Route exhaust away from work area. If diaphragm ruptures, fluid may be exhausted into  
the air.  
• Store hazardous fluid in approved containers, and dispose of it according to applicable  
guidelines.  
BURN HAZARD  
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid  
severe burns:  
• Do not touch hot fluid or equipment.  
PERSONAL PROTECTIVE EQUIPMENT  
Wear appropriate protective equipment when in the work area to help prevent serious injury,  
including eye injury, hearing loss, inhalation of toxic fumes, and burns. This protective  
equipment includes but is not limited to:  
• Protective eyewear, and hearing protection.  
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent  
manufacturer.  
3A2888A  
5
 
Ordering Information  
To Find Your Nearest Distributor  
Distributor Note  
1. Visit www.graco.com.  
1. To find part numbers for new pumps or kits, use  
2. Click on Where to Buy and use the Distributor  
Locator.  
2. To find part numbers for replacement parts:  
a. Use the 20–digit number from the ID  
plate on the pump. If you only have  
the Graco 6–digit part number, use the  
corresponding 20–digit number.  
To Specify the Configuration of a New  
Pump  
Please call your distributor.  
OR  
b. Use the Configuration Number Matrix on the  
next page to understand which parts are  
described by each digit.  
Use the Online Husky Selector Tool on the Process  
Equipment page at www.graco.com.  
c. Use the Repair/Parts Manual 3A2889. Refer  
to the main Parts illustration and to the  
Parts/Kits Quick Reference. Follow the page  
references on these two pages for further  
ordering information, as needed.  
To Order Replacement Parts  
Please call your distributor.  
3. Please call Graco Customer Service to order.  
Related Manuals  
Manual  
Number Title  
3A2889  
Husky 15120 Air-Operated Diaphragm  
Pump, Repair/Parts  
6
3A2888A  
 
   
Configuration Number Matrix  
Check the identification plate (ID) for the Configuration Number of your pump. Use the following matrix to  
define the components of your pump.  
PART NO.  
CONFIGURATION NO.  
SERIAL NO.  
DATE CODE SERIES MAX WPR PSI-bar  
MADE IN  
Graco Inc., P.O. Box 1441  
Mpls, MN 55440 USA  
Sample Configuration Number: 15120P-P01AP1PPPTFKPT  
15120P P01A  
P1  
PP PT FK  
PT  
Pump Model Center  
Fluid Covers  
and Manifolds  
Seats Balls Diaphragms  
Manifold and Seat Seals  
Section and  
Air Valve  
Pump  
Center Section and Air  
Valve Material  
For Use With  
Diaphragms  
Fluid Covers and Manifolds  
Polypropylene Standard  
Polypropylene, Center Flange,  
ANSI/DIN  
15120P  
P01A  
P1  
P2  
F2  
Polypropylene  
Polypropylene Overmolded  
Diaphragms  
Polypropylene, End Flange,  
ANSI/DIN  
15120F  
P01G  
PVDF  
PVDF, End Flange, ANSI/DIN  
Seat Material  
Ball Material  
Diaphragm Material  
Manifold and Seat  
Seal Material  
Polypropylene  
FKM  
FKM  
PTFE/EPDM Overmolded  
PTFE  
PP  
PV  
SP  
SS  
FK  
PT  
SP  
FK  
PO  
PT  
SP  
PT  
PVDF  
PTFE  
Santoprene  
Santoprene  
PTFE/Santoprene 2–Piece  
Santoprene  
Stainless  
Steel  
3A2888A  
7
 
 
Installation  
General Information  
c. Increase the size of the suction piping.  
NOTE: Be sure the inlet fluid pressure does not  
exceed 25 % of the outlet working pressure.  
The Typical Installation shown is only a guide for  
selecting and installing system components. Contact  
your Graco distributor for assistance in planning a  
system to suit your needs. Always use Genuine  
Graco Parts and accessories. Be sure all accessories  
are adequately sized and pressure rated to meet the  
system’s requirements.  
3. Reduce liquid velocity: Slow the cyclic rate of  
the pump.  
Pumped liquid viscosity is also very important but  
normally is controlled by factors that are process  
dependent and cannot be changed to reduce  
cavitation. Viscous liquids are more difficult to pump  
and more prone to cavitation.  
Reference letters in the text, for example (A), refer to  
the callouts in the figures.  
Graco recommends taking all the above factors  
into account in system design. To maintain pump  
efficiency, supply only enough air pressure to the  
pump to achieve the required flow.  
Variations in color between the plastic components  
of this pump are normal. Color variation does not  
affect the performance of the pump.  
Tighten Fasteners  
Graco distributors can supply site specific  
suggestions to improve pump performance and  
reduce operating costs.  
Before mounting and using the pump for the first time,  
check and retorque all external fasteners. Follow  
Torque Instructions, page 16, or see the torque  
tag on your pump. After the first day of operation,  
retorque the fasteners.  
Mount the Pump  
Tips to Reduce Cavitation  
Cavitation in an AODD pump is the formation and  
collapse of bubbles in the pumped liquid. Frequent  
or excessive cavitation can cause serious damage,  
including pitting and early wear of fluid chambers,  
balls, and seats. It may result in reduced efficiency of  
the pump. Cavitation damage and reduced efficiency  
both result in increased operating costs.  
To avoid serious injury or death from toxic fluid or  
fumes:  
• Ventilate to a remote area. The pump  
exhaust air may contain contaminants. See  
• Never move or lift a pump under pressure. If  
dropped, the fluid section may rupture. Always  
before moving or lifting the pump.  
Cavitation depends on the vapor pressure of the  
pumped liquid, the system suction pressure, and the  
velocity pressure. It can be reduced by changing any  
of these factors.  
1. Be sure the mounting surface can support the  
weight of the pump, hoses, and accessories, as  
well as the stress caused during operation.  
1. Reduce vapor pressure: Decrease the  
temperature of the pumped liquid.  
2. Increase suction pressure:  
2. For all mountings, be sure the pump is secured  
with screws through the mounting feet.  
a. Lower the installed position of the pump  
relative to the liquid level in the supply.  
3. Make sure the surface is flat and that the pump  
doesn’t wobble.  
b. Reduce the friction length of the suction  
piping. Remember that fittings add friction  
length to the piping. Reduce the number of  
fittings to reduce the friction length.  
4. For ease of operation and service, mount the  
pump so air valve, air inlet, fluid inlet and fluid  
outlet ports are easily accessible.  
8
3A2888A  
 
         
Figure 1 Typical Installation  
Accessories/Components Not Supplied  
System Components  
A
B
Air supply line  
J
K
Air inlet port (not visible)  
Air outlet port and muffler  
Bleed-type master air valve (may be required for  
your pump installation)  
Air filter/regulator assembly  
Master air valve (to isolate the filter/regulator for  
service)  
Grounded, flexible fluid supply line  
Fluid drain valve (may be required for your pump  
installation)  
Fluid shutoff valve  
C
D
L
M
Fluid inlet port  
Fluid outlet port  
E
F
N
Mounting feet  
G
H
Grounded, flexible fluid outlet line  
3A2888A  
9
 
Air Lines  
Ground The System  
1. Install an air filter/regulator assembly (C). The  
regulator controls the fluid pressure. The fluid  
stall pressure will be the same as the setting of  
the air regulator. The filter removes harmful dirt  
and moisture from the compressed air supply.  
The equipment must be grounded to reduce the  
risk of static sparking. Static sparking can cause  
fumes to ignite or explode. Grounding provides an  
escape wire for the electrical current.  
2. Locate a bleed-type master air valve (B) close to  
the pump and use it to relieve trapped air. Be  
sure the valve is easily accessible from the pump  
and located downstream from the regulator.  
Always ground the entire fluid system as  
described below.  
• Polypropylene and PVDF pumps are not  
conductive and are not for use with flammable  
fluids.  
• Follow your local fire codes.  
Trapped air can cause the pump to cycle  
unexpectedly, which could result in serious  
injury from splashing.  
Before operating the pump, ground the system as  
explained below.  
Pump: Always ground the entire fluid system by  
making sure the fluid has an electrical path to a  
true earth ground.  
3. Locate another master air valve (D) upstream  
from all air line accessories and use it to isolate  
them during cleaning and repair.  
Air and fluid hoses: Use only grounded hoses  
with a maximum of 500 ft (150 m) combined hose  
length to ensure grounding continuity.  
4. Install a grounded, flexible air hose (A) between  
the accessories and the 1/2 npt(f) pump air inlet.  
Air compressor: Follow manufacturer’s  
recommendations.  
Fluid supply container: Follow local code.  
Solvent pails used when flushing: Follow local  
code. Use only conductive metal pails, placed  
on a grounded surface. Do not place the pail  
on a nonconductive surface, such as paper or  
cardboard, which interrupts grounding continuity.  
Check your system electrical continuity after the  
initial installation, and then set up a regular schedule  
for checking continuity to be sure proper grounding  
is maintained.  
10  
3A2888A  
 
   
Air Exhaust Ventilation  
To provide a remote exhaust:  
1. Remove the muffler (U) from the pump air  
exhaust port (K).  
If pumping toxic fluids, you must vent the exhaust  
away from people, animals, food handling areas,  
and all sources of ignition. Follow all applicable  
codes.  
2. Install a grounded air exhaust hose (S) and  
connect the muffler to the other end of the hose.  
The minimum size for the air exhaust hose is 1  
in. (26 mm) ID. If a hose longer than 15 ft (4.57  
m) is required, use a larger diameter hose. Avoid  
sharp bends or kinks in the hose.  
NOTICE  
3. Place a container (T) at the end of the air exhaust  
line to catch fluid in case a diaphragm ruptures.  
If the diaphragm ruptures, the fluid being pumped  
will exhaust with the air.  
The air exhaust port is 1 in. npt(f). Do not restrict  
the air exhaust port. Excessive exhaust restriction  
can cause erratic pump operation.  
A
B
Air supply line  
K
S
Air exhaust port  
Grounded air exhaust hose  
Bleed-type master air valve (may be  
required for your pump installation)  
Air filter/regulator assembly  
Master air valve (for accessories)  
Air inlet port (not visible)  
C
D
J
T
U
Container for remote air exhaust  
Muffler  
3A2888A  
11  
 
 
Fluid Supply Line  
Fluid Outlet Line  
1. Connect a grounded, flexible fluid hose (E) to the  
1.5 in (38 mm) ANSI/DIN pump fluid inlet flange  
1. Connect a grounded, flexible fluid hose (H) to the  
1.5 in (38 mm) ANSI/DIN pump fluid outlet flange  
2. If the inlet fluid pressure to the pump is more  
than 25% of the outlet working pressure, the  
ball check valves will not close fast enough,  
resulting in inefficient pump operation. Excessive  
inlet fluid pressure also will shorten diaphragm  
life. Approximately 3–5 psi (0.02–0.03 MPa,  
0.21–0.34 bar) should be adequate for most  
materials.  
2. Install a fluid drain valve (F) near the fluid outlet.  
3. Install a shutoff valve (G) in the fluid outlet line.  
3. For maximum suction lift (wet and dry), see  
Technical Data, page 22. For best results, always  
install the pump as close as possible to the  
material source. Minimize suction requirements  
to maximize pump performance.  
12  
3A2888A  
 
   
Flange Connections  
The fluid inlet and outlet ports are 1.5 in (38 mm)  
raised face, standard 150 lb (68 kg) class pipe  
flanges.  
Graco standard pipe flange kits are available in  
polypropylene (239006) and PVDF (239010). These  
kits include:  
• the pipe flange  
• a PTFE gasket  
• four 1/2 in. bolts, lock washers, and nuts.  
• eight flat washers  
Be sure to lubricate the threads of the bolts and  
torque to 10–15 ft-lb (14–20 N•m). Follow the bolt  
tightening sequence and do not over-torque.  
KEY  
L
1.5 in (38 mm) fluid inlet flange  
M
1.5 in (38 mm) fluid outlet  
flange  
U
V
W
X
Y
Z
Plastic pipe flange  
PTFE gasket  
Lock washer  
Nut  
Flat washer  
Bolt  
Lubricate threads. Torque to  
10 to 15 ft-lb (14 to 20 Nm).  
Do not overtorque.  
3A2888A  
13  
 
 
Operation  
Pressure Relief Procedure  
3. Place the suction tube (if used) in fluid to be  
pumped.  
Follow the Pressure Relief Procedure  
whenever you see this symbol.  
NOTE: If fluid inlet pressure to the pump is more  
than 25% of outlet working pressure, the ball  
check valves will not close fast enough, resulting  
in inefficient pump operation.  
NOTICE  
This equipment stays pressurized until pressure  
is relieved manually. To help prevent serious  
injury from pressurized fluid, such as splashing  
in the eyes or on skin, follow the Pressure Relief  
Procedure when you stop pumping and before you  
clean, check, or service the equipment.  
Excessive fluid inlet pressure can reduce  
diaphragm life.  
4. Place the end of the fluid hose into an appropriate  
container.  
1. Shut off the air supply to the pump.  
2. Open the dispensing valve, if used.  
5. Close the fluid drain valve.  
6. Turn the air regulator knob to 0. Open all  
bleed-type master air valves.  
3. Open the fluid drain valve to relieve fluid  
pressure. Have a container ready to catch the  
drainage.  
7. If the fluid hose has a dispensing device, hold  
it open.  
8. Slowly increase air pressure with the air regulator  
until the pump just starts to cycle. Allow the  
pump to cycle slowly until all air is pushed out of  
the lines and the pump is primed.  
Tighten Fasteners  
Before mounting and using the pump for the first time,  
check and retorque all external fasteners. Follow  
Torque Instructions, page 16, or see the torque  
tag on your pump. After the first day of operation,  
retorque the fasteners.  
NOTE: Use lowest possible air pressure to prime,  
just enough to cycle the pump. If the pump does  
not prime as expected, turn air pressure DOWN.  
9. If you are flushing, run the pump long enough to  
thoroughly clean the pump and hoses.  
Flush the Pump Before First Use  
The pump was tested in water. If water could  
contaminate the fluid you are pumping, flush the  
pump thoroughly with a compatible solvent. See  
10. Close the bleed-type master air valve.  
Pump Shutdown  
Start and Adjust the Pump  
1. Be sure the pump is properly grounded. See  
At the end of the work shift and before you check,  
adjust, clean, or repair the system, follow the  
2. Check fittings to be sure they are tight. Use a  
compatible liquid thread sealant on male threads.  
Tighten fluid inlet and outlet fittings securely.  
14  
3A2888A  
 
           
Maintenance  
Maintenance Schedule  
Flushing and Storage  
Establish a preventive maintenance schedule  
based on the pump’s service history. Scheduled  
maintenance is especially important to prevent spills  
or leakage due to diaphragm failure.  
Lubrication  
• Flush before fluid can dry in the equipment, at the  
end of the day, before storing, and before repairing  
equipment.  
The pump is lubricated at the factory. It is designed  
to require no further lubrication for the life of the  
packings. There is no need to add an inline lubricator  
under normal operating conditions.  
• Flush at the lowest pressure possible. Check  
connectors for leaks and tighten as necessary.  
• Flush with a fluid that is compatible with the fluid  
being dispensed and the equipment wetted parts.  
Tighten Threaded Connections  
Before each use, check all hoses for wear or damage  
and replace as necessary. Check to be sure all  
threaded connections are tight and leak-free. Check  
mounting bolts. Check fasteners. Tighten or retorque  
as necessary. Although pump use varies, a general  
guideline is to retorque fasteners every two months.  
• Always flush the pump and relieve the pressure  
before storing it for any length of time.  
NOTICE  
Flush the pump often enough to prevent the  
fluid you are pumping from drying or freezing in  
the pump and damaging it. Store the pump at  
32°F (0°C) or higher. Exposure to extreme low  
temperatures may result in damage to plastic parts.  
3A2888A  
15  
 
         
Torque Instructions  
If fluid cover or manifold fasteners have been  
loosened, it is important to torque them using the  
following procedure to improve sealing.  
Inlet and Outlet Manifold Screws  
NOTE: Fluid cover and manifold fasteners have a  
thread-locking adhesive patch applied to the threads.  
If this patch is excessively worn, the fasteners may  
loosen during operation. Replace screws with new  
ones or apply medium-strength (blue) Loctite or  
equivalent to the threads.  
NOTE: Always completely torque fluid covers before  
torquing manifolds.  
1. Start all fluid cover screws a few turns. Then, turn  
down each screw just until head contacts cover.  
2. Turn each screw by 1/2 turn or less working in a  
crisscross pattern to specified torque.  
3. Repeat for manifolds.  
Air Valve Screws and Pilot Valves  
Fluid cover and manifold fasteners: 190 to 220  
in-lb (21 to 25 Nm)  
4. Retorque the air valve fasteners in a crisscross  
pattern to the specified torque.  
Air valve fasteners: 45 to 55 in-lb (5 to 6 Nm)  
5. Retorque the pilot valves to the specified torque.  
Do not overtorque.  
Pilot valves: 20 to 25 in-lb (2 to 3 Nm)  
Fluid Cover Screws  
16  
3A2888A  
 
 
Performance Charts  
1–Piece Bolt-Through Diaphragms  
Fluid Pressure  
Approximate Cycles per Minute  
31.5  
63  
94.5  
126  
157.5  
189  
120  
(0.83, 8.3)  
A
B
100  
(0.70, 7.0)  
80  
Operating Air Pressure  
(0.55, 5.5)  
PSI  
(MPa, bar)  
A
60  
C
D
125 psi (0.86 MPa, 8.6 bar)  
(0.41, 4.1)  
40  
B
(0.28, 2.8)  
100 psi (0.7 MPa, 7.0 bar)  
20  
(0.14, 1.4)  
C
70 psi (0.48 MPa, 4.8 bar)  
0
0
20  
(76)  
40  
(151)  
60  
(227)  
80  
(303)  
100  
(379)  
120  
(454)  
D
40 psi (0.28 MPa, 2.8 bar)  
Fluid Flow — gpm (lpm)  
How to Read the Charts  
Air Consumption  
1. Locate fluid flow rate along  
bottom of chart.  
Approximate Cycles per Minute  
31.5  
63  
94.5  
126  
157.5  
189  
2. Follow vertical line up to  
intersection with selected  
operating air pressure  
curve.  
90  
(2.5)  
A
B
75  
(2.1)  
3. Follow left to scale to read  
fluid outlet pressure (top  
60  
(1.7)  
chart) or air consumption  
(bottom chart)  
scfm  
(Nm3/min.)  
C
D
45  
(1.3)  
30  
(0.8)  
15  
(0.4)  
0
0
20  
(76)  
40  
(151)  
60  
(227)  
80  
(303)  
100  
(379)  
120  
(454)  
Fluid Flow — gpm (lpm)  
3A2888A  
17  
 
 
2–Piece Bolt-Through Diaphragms  
Fluid Pressure  
Approximate Cycles per Minute  
30.5  
61  
91.5  
122  
152.5  
183  
120  
(0.83, 8.3)  
A
B
100  
(0.70, 7.0)  
80  
Operating Air Pressure  
(0.55, 5.5)  
PSI  
(MPa, bar)  
A
60  
125 psi (0.86 MPa, 8.6 bar)  
(0.41, 4.1)  
C
D
40  
B
(0.28, 2.8)  
100 psi (0.7 MPa, 7.0 bar)  
20  
(0.14, 1.4)  
C
70 psi (0.48 MPa, 4.8 bar)  
0
0
20  
(76)  
40  
(151)  
60  
(227)  
80  
(303)  
100  
(379)  
120  
(454)  
D
40 psi (0.28 MPa, 2.8 bar)  
Fluid Flow — gpm (lpm)  
How to Read the Charts  
Air Consumption  
1. Locate fluid flow rate along  
bottom of chart.  
Approximate Cycles per Minute  
30.5  
61  
91.5  
122  
152.5  
183  
2. Follow vertical line up to  
intersection with selected  
operating air pressure  
curve.  
90  
(2.5)  
A
B
75  
(2.1)  
3. Follow left to scale to read  
fluid outlet pressure (top  
60  
(1.7)  
chart) or air consumption  
(bottom chart)  
scfm  
(Nm3/min.)  
45  
(1.3)  
C
D
30  
(0.8)  
15  
(0.4)  
0
0
20  
40  
60  
80  
100  
120  
(76)  
(151)  
(227)  
(303)  
(379)  
(454)  
Fluid Flow — gpm (lpm)  
18  
3A2888A  
 
Overmolded Diaphragms  
Fluid Pressure  
Approximate Cycles per Minute  
34  
68  
102  
136  
170  
204  
120  
(0.83, 8.3)  
A
B
100  
(0.70, 7.0)  
80  
Operating Air Pressure  
(0.55, 5.5)  
PSI  
(MPa, bar)  
A
60  
C
D
125 psi (0.86 MPa, 8.6 bar)  
(0.41, 4.1)  
40  
B
(0.28, 2.8)  
100 psi (0.7 MPa, 7.0 bar)  
20  
(0.14, 1.4)  
C
70 psi (0.48 MPa, 4.8 bar)  
0
0
20  
(76)  
40  
(151)  
60  
(227)  
80  
(303)  
100  
(379)  
120  
(454)  
D
40 psi (0.28 MPa, 2.8 bar)  
Fluid Flow — gpm (lpm)  
How to Read the Charts  
Air Consumption  
1. Locate fluid flow rate along  
bottom of chart.  
Approximate Cycles per Minute  
34  
68  
102  
136  
170  
204  
2. Follow vertical line up to  
intersection with selected  
operating air pressure  
curve.  
90  
(2.5)  
A
B
75  
(2.1)  
3. Follow left to scale to read  
fluid outlet pressure (top  
chart) or air consumption  
(bottom chart)  
60  
(1.7)  
scfm  
(Nm3/min.)  
C
D
45  
(1.3)  
30  
(0.8)  
15  
(0.4)  
0
0
20  
40  
60  
80  
100  
120  
(76)  
(151)  
(227)  
(303)  
(379)  
(454)  
Fluid Flow — gpm (lpm)  
3A2888A  
19  
 
Dimensions  
End Flange Models, Polypropylene and PVDF  
Table 1 Dimensions for Polypropylene or PVDF Pumps  
Ref.  
A
Inches  
20.6  
23.8  
26.8  
3.2  
Centimeters  
52.3  
Ref.  
G
H
Inches  
17.2  
3.8  
Centimeters  
43.7  
B
60.4  
9.6  
C
68.1  
J
12.4  
13.8  
7.5  
31.5  
D
8.1  
K
35.1  
E
9.9  
25.1  
L
19.1  
F
21.0  
53.3  
20  
3A2888A  
 
 
Center Flange Models, Polypropylene  
Only  
Table 2 Dimensions for Polypropylene Pumps  
Ref.  
A
Inches  
20.6  
23.8  
26.8  
3.2  
Centimeters  
52.3  
Ref.  
G
H
Inches  
17.2  
3.8  
Centimeters  
43.7  
B
60.4  
9.6  
C
68.1  
J
12.4  
13.8  
7.5  
31.5  
D
8.1  
K
35.1  
E
9.9  
25.1  
L
19.1  
F
21.0  
53.3  
3A2888A  
21  
 
Technical Data  
Husky 15120 Diaphragm Pump  
US  
Metric  
Maximum fluid working pressure  
Air pressure operating range  
Air inlet size  
125 psi  
0.86 MPa, 8.6 bar  
20 to 125 psi  
0.14 to 0.86 MPa, 1.4 to 8.6 bar  
1/2 in. (npt(f)  
1 in.  
Air exhaust size  
Fluid inlet and outlet size  
(ANSI/DIN flange)  
1.5 in  
38 mm  
Maximum suction lift (reduced  
if balls don’t seat well due  
to damaged balls or seats,  
lightweight balls, or extreme speed  
of cycling)  
Wet: 31 ft  
Dry: 16 ft  
Wet: 9.4 m  
Dry: 4.9 m  
Maximum size pumpable solids  
1/4 in.  
32° F  
6.3 mm  
0° C  
Minimum ambient air temperature  
for operation and storage.  
NOTE: Exposure to extreme  
low temperatures may result in  
damage to plastic parts.  
Air Consumption  
43 scfm at 70 psi, 60 gpm  
85 scfm  
1.2 m3/min at 0.48 MPa, 4.8  
bar, 227 lpm  
Maximum Air Consumption  
Noise (dBa)  
2.4 m3/min  
Sound power measured per ISO-9614–2. Sound pressure was tested 3.28 ft (1 m) from equipment.  
Sound Power  
90.9 at 70 psi and 50 cpm  
102.1 at 100 psi and full flow  
83.6 at 70 psi and 50 cpm  
95.7 at 100 psi and full flow  
90.9 at 4.8 bar and 50 cpm  
102.1 at 7.0 bar and full flow  
83.6 at 4.8 bar and 50 cpm  
95.7 at 7.0 bar and full flow  
Sound Pressure  
Fluid flow per cycle  
1–piece bolt-through diaphragms  
2–piece bolt-through diaphragms  
Overmolded diaphragms  
0.63 gallons  
0.66 gallons  
0.59 gallons  
2.4 liters  
2.5 liters  
2.3 liters  
Maximum free-flow delivery  
1–piece bolt-through diaphragms  
2–piece bolt-through diaphragms  
Overmolded diaphragms  
122 gpm  
120 gpm  
115 gpm  
462 lpm  
454 lpm  
435 lpm  
22  
3A2888A  
 
 
Maximum pump speed  
1–piece bolt-through diaphragms  
2–piece bolt-through diaphragms  
Overmolded diaphragms  
Weight  
192 cycles per minute  
183 cycles per minute  
195 cycles per minute  
Polypropylene  
57 lb  
74 lb  
25.9 kg  
33.6 kg  
PVDF  
Wetted Parts  
Wetted parts include material(s) chosen for seat, ball, and diaphragm options, plus the pump’s material of  
construction: Polypropylene or PVDF  
Non-wetted external parts  
stainless steel, polypropylene  
Fluid Temperature Range  
Diaphragm/Ball/Seat Material  
US  
Metric  
Polypropylene  
Pump  
PVDF Pump  
Polypropylene  
PVDF Pump  
Pump  
FKM Fluoroelastomer  
Polypropylene  
32° to 150°  
32° to 150°  
40° to 150°  
40° to 150°  
32° to 150°  
32° to 150°  
40° to 150°  
32° to 225°  
32° to 150°  
40° to 180°  
40° to 220°  
32° to 225°  
32° to 180°  
40° to 180°  
0° to 66°  
0° to 66°  
4° to 66°  
4° to 66°  
0° to 66°  
0° to 66°  
4° to 66°  
0° to 107°  
0° to 66°  
4° to 82°  
4° to 104°  
0° to 107°  
0° to 82°  
4° to 82°  
PTFE overmolded diaphragm  
PTFE check balls  
PVDF  
Santoprene  
2–piece PTFE/Santoprene  
diaphragm  
3A2888A  
23  
 
Graco Standard Husky Pump Warranty  
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its  
name to be free from defects in material and workmanship on the date of sale to the original purchaser for  
use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a  
period of five years from the date of sale, repair or replace any part of the equipment determined by Graco  
to be defective. This warranty applies only when the equipment is installed, operated and maintained in  
accordance with Graco’s written recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction,  
damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper  
maintenance, negligence, accident, tampering, or substitution of non-Graco component parts. Nor shall  
Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment  
with structures, accessories, equipment or materials not supplied by Graco, or the improper design,  
manufacture, installation, operation or maintenance of structures, accessories, equipment or materials  
not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an  
authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco  
will repair or replace free of charge any defective parts. The equipment will be returned to the original  
purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material  
or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of  
parts, labor, and transportation.  
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR  
IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY  
OF FITNESS FOR A PARTICULAR PURPOSE.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above.  
The buyer agrees that no other remedy (including, but not limited to, incidental or consequential damages  
for lost profits, lost sales, injury to person or property, or any other incidental or consequential loss) shall  
be available. Any action for breach of warranty must be brought within six (6) years of the date of sale..  
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH  
ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY  
GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.),  
are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable  
assistance in making any claim for breach of these warranties..  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from  
Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other  
goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or  
otherwise.  
FOR GRACO CANADA CUSTOMERS  
The Parties acknowledge that they have required that the present document, as well as all documents,  
notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or  
indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du  
présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés,  
donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les procédures  
concernées.  
Graco Information  
To place an order, contact your Graco Distributor or call to identify the nearest distributor.  
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
Original Instructions. This manual contains English. MM 3A2888  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 2014, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
 
 

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