Graco Inc Plumbing Product 309475F User Manual

Instructions/Parts List  
High Pressure  
Fluid Regulators  
309475F  
Important Safety Instructions  
Read all warnings and instructions in this manual.  
Save these instructions.  
II 2 G  
 
List of Models  
List of Models  
Part No.  
Series Model  
Type  
Maximum Fluid Inlet Pressure Regulated Pressure Range  
233760  
234266  
B
B
P60-VP DN7  
P60-VP DN7 npt  
Pneumatic  
5000 psi (36 MPa, 360 bar)  
5000 psi (36 MPa, 360 bar)  
5000 psi (36 MPa, 360 bar)  
5000 psi (36 MPa, 360 bar)  
5000 psi (36 MPa, 360 bar)  
5000 psi (36 MPa, 360 bar)  
2600 psi (18 MPa, 180 bar)  
70-900 psi  
(0.5-6 MPa, 5-60 bar)  
233767  
234264  
B
B
P200-VM  
P200-VM npt  
Mechanical  
Mechanical  
Pneumatic  
Pneumatic  
Pneumatic  
Mechanical  
1300-3000 psi  
(9-20 MPa, 90-200 bar)  
233768  
234265  
B
B
P200-VM  
P200-VM npt  
1300-4000 psi  
(9-27 MPa, 90-270 bar)  
233769  
234270  
B
B
P150-VP DN7  
P150-VP DN7 npt  
300-2000 psi  
(2-15 MPa, 20-150 bar)  
233770  
234271  
B
B
P320-VP DN7  
P320-VP DN7 npt  
600-4600 psi  
(4-32 MPa, 40-320 bar)  
233813  
234259  
B
B
P250-VP  
P250-VP npt  
600-3600 psi  
(4-25 MPa, 40-250 bar)  
233814  
234260  
B
B
P100-VM  
P100-VM npt  
600-1500 psi  
(4-10 MPa, 40-100 bar)  
Back Pressure Regulators  
Maximum Permanent Supply  
Pressure  
Part No.  
Series Model  
Type  
Regulated Pressure Range  
233771  
234268  
B
B
P100-RM  
P100-RM npt  
Mechanical,  
back pressure  
2500 psi (17 MPa, 170 bar)  
600-1500 psi  
(4-10 MPa, 40-100 bar)  
233772  
234269  
B
B
P200-RM  
P200-RM npt  
Mechanical,  
back pressure  
3400 psi (23.5 MPa, 235 bar) 1300-3000 psi  
(9-20 MPa, 90-200 bar)  
Key to Model Designation  
Pressure regulation valve e.g. P60- R  
M
DN7 npt  
npt version  
Valve Seat Orifice 7mm  
Operating Mode  
P - pneumatic  
M - mechanical  
Action  
V - pressure regulation  
R - back-pressure regulation  
Regulation max  
60 bar  
309475F  
3
 
Warning  
WARNING  
EQUIPMENT MISUSE HAZARD  
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.  
This equipment is for professional use only.  
Read all instruction manuals, tags, and labels before operating the equipment.  
Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.  
Do not alter or modify this equipment. Use only genuine Graco parts and accessories.  
Check equipment daily. Repair or replace worn or damaged parts immediately.  
Do not exceed the maximum working pressure of the lowest rated system component. Refer to the  
Technical Data on page 24 for the maximum working pressure of this equipment.  
Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Techni-  
cal Data section of all equipment manuals. Read the fluid and solvent manufacturer's warnings.  
Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose  
Graco hoses to temperatures above 180°F (82°C) or below -40°F (-40°C).  
Wear hearing protection when operating this equipment.  
Never use 1,1, 1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or flu-  
ids containing such solvents in pressurized aluminum equipment. Such use could result in a chemi-  
cal reaction, with the possibility of explosion.  
Comply with all applicable local, state, and national fire, electrical, and safety regulations.  
4
309475F  
 
 
Warning  
WARNING  
SKIN INJECTION HAZARD  
Spray from the gun, hose leaks, or ruptured components can inject fluid into your body and cause an  
extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the skin can  
also cause serious injury.  
Fluid injected into the skin might look like just a cut, but is a serious injury. Get immediate surgical  
treatment.  
Do not point the gun at anyone or at any part of the body. Do not put your hand or fingers over the  
spray tip. Do not stop or deflect fluid leaks with your hand, body, glove, or rag.  
Never spray without the tip guard in place.  
Follow the steps under Pressure Relief Procedure, page 13, when you stop spraying and before  
cleaning, checking, or repairing equipment.  
Check the hoses and couplings daily. Replace worn, damaged, or loose parts immediately. Perma-  
nently coupled hoses cannot be repaired; replace the entire hose.  
Tighten all fluid connections before each use.  
TOXIC FLUID HAZARD  
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,  
inhaled, or swallowed.  
Know the specific hazards of the fluid you are using. Read the fluid manufacturer’s warnings.  
Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,  
state and national guidelines.  
Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and  
solvent manufacturer.  
309475F  
5
 
Introduction  
Introduction  
A fluid pressure regulator is used in air-assisted spray  
systems to ensure accurate, positive control of fluid  
pressure to a spray gun, dispensing valve, or atomizing  
head.  
Models 233767, 233814, 233768, 234260, 234264, and  
234265 (FIG. 2.) are mechanically operated fluid pres-  
sure regulators designed primarily for use with low to  
medium viscosity fluids.  
A regulator installed at a circulating line take-off or pump  
reduces main line pressure to maintain the desired fluid  
pressure to the spray gun, dispensing valve, or atomiz-  
ing head.  
Models 233760, 233769, 233770, 233813, 234259,  
234266, 234270, and 234271 (FIG. 3.) are pneumati-  
cally operated fluid pressure regulators designed pri-  
marily for use with highly viscous coatings.  
Models 233771, 233772, 234268 and 234269 (FIG. 1.)  
are mechanically operated back pressure regulators that  
limit the supply pressure to a set value by opening an  
outlet and guiding back excess material when the prede-  
termined pressure has been achieved. These valves are  
used in circulating systems.  
Adjustment knob  
Spring  
Valve plunger  
Fluid Outlet  
(Return line)  
Fluid Inlet  
(From gun)  
TI1770A  
Fig. 1. Cutaway of Mechanical Back Pressure Regulator  
6
309475F  
 
 
Introduction  
Adjustment knob  
Spring  
Valve plunger  
Fluid inlet  
(from pump)  
Fluid outlet  
(to gun)  
1 7 6 9 A  
TI1769A  
Fig. 2. Cutaway of Mechanical Fluid Pressure Regulator  
Air Inlet  
Diaphragm  
Valve plunger  
Fluid Outlet  
(To gun)  
Fluid Inlet  
(From pump)  
TI1774A  
Fig. 3. Cutaway of Pneumatic Fluid Pressure Regulator  
309475F  
7
 
 
Installation  
Installation  
1. Install one regulator for each spray gun.  
b. Install a back pressure regulator downstream of  
the gun. Connect the fluid return line from the  
gun to the inlet of the back pressure regulator.  
Connect the fluid return line to the pump to the  
regulator’s outlet.  
2. Apply thread sealant to connections as necessary.  
3. Make sure that the direction of fluid flow agrees with  
the flow direction markings on the regulator body.  
a. Install a fluid pressure regulator upstream of the  
gun: Connect the fluid line from the pump to the  
inlet of the fluid regulator. Connect the fluid line  
to the gun to the regulator’s outlet.  
4. Flush and test the entire system.  
FIG. 4., FIG. 5., and FIG. 6. show possible configurations  
for installing a system. They do not depict actual system  
designs. Consult your Graco distributor for assistance in  
designing a system that meets your specific require-  
ments.  
8
309475F  
 
Installation  
A
B
L
Air in  
to pump  
F
C
H
D
Air in  
to gun  
Y
B
H
E
K
Z
Fluid  
M
G
G
J
Fluid in  
TI1763C  
Fig. 4. High pressure, non-circulating system, mechanical fluid regulator  
Key  
G
H
J
Fluid drain valve  
Fluid shut-off valve  
A
B
C
D
E
F
Air line filter  
Mechanical fluid pressure regulator  
Fluid pressure gauge  
Air-assisted spray gun  
Fluid filter  
Bleed-type air shut-off valve  
Pump air regulator  
Gun air regulator  
Fluid hose  
K
L
M
Y
Z
Pump ground wire  
Whip hose  
Pump  
309475F  
9
 
 
Installation  
A
B
A
B
L
N
Air to  
Pump  
Air to Fluid  
Regulator  
D
C
F
Air to  
Gun  
B
E
Y
K
Z
Fluid  
H
G
M
J
G
TI1764C  
Fig. 5. High pressure, non-circulating system, pneumatic fluid regulator  
Key  
J
Pneumatic fluid regulator  
A
B
C
D
E
F
Air line filter  
K
L
Fluid pressure gauge  
Gun  
Bleed-type air shut-off valve  
Pump air regulator  
Gun air regulator  
Fluid hose  
M
N
Y
Z
Fluid filter  
Air regulator to operate/adjust fluid regulator  
Pump ground wire  
Pump  
Whip hose  
G
H
Fluid drain valve  
Fluid shut-off valve  
10  
309475F  
 
 
Installation  
B
Air supply  
D
H
A
Air to  
gun  
Fluid in  
to gun  
L
J
P
H
TI1765A  
Fig. 6. High Pressure circulating system mechanical fluid regulator and back pressure regulator  
Key  
J
Mechanical fluid regulator  
Gun  
A
B
D
H
Air line filter  
L
P
Bleed-type air shut-off valve  
Pump air regulator  
Fluid shut-off valve  
Mechanical back pressure regulator  
309475F  
11  
 
 
Installation  
12  
309475F  
 
Operation  
Operation  
Flush Before First Use  
Adjusting the Regulator  
Your pressure regulator has been tested in the factory  
with an anti-corrosion liquid. Before using the regulator,  
thoroughly flush the system with a solvent to remove  
residue of this liquid as well as any contaminants that  
have been introduced during assembly of the system.  
The fluid pressure regulator controls pressure down-  
stream from its outlet. The inlet fluid pressure should  
always be higher than the outlet fluid pressure.  
If you are using an accessory fluid pressure gauge, trig-  
ger the spray gun to relieve pressure in the line when  
reducing the pressure, to ensure a correct gauge read-  
ing.  
Pressure Relief Procedure  
Adjust the pump air pressure and the fluid pressure reg-  
ulator for the best spraying combination.  
WARNING  
In a circulating system, the back pressure valve controls  
the fluid pressure upstream of its inlet in the same way.  
The system pressure must be manually relieved to  
prevent the system from starting or spraying acciden-  
tally. To reduce the risk of an injury from accidental  
spray from the gun, splashing fluid, or moving parts,  
follow the Pressure Relief Procedure whenever you:  
Mechanical Regulator  
1. Back out the knob until there is no spring pressure.  
2. Turn on the fluid supply, to admit fluid to the regula-  
tor.  
are instructed to relieve the pressure  
stop spraying  
check or service any of the system equipment  
or install or clean the spray tip.  
3. Turn the knob clockwise to adjust fluid pressure to  
the desired level.  
1. Lock the gun trigger safety.  
Pneumatic Regulator  
1. With the fluid supply shut off, turn on the air pres-  
sure to the regulator.  
2. Close the bleed-type master air valve (required in  
your system).  
2. Turn on the fluid supply, to admit fluid to the regula-  
tor.  
3. Unlock the gun trigger safety.  
4. Hold a metal part of the gun firmly to the side of a  
grounded metal pail and trigger the gun to relieve  
pressure.  
3. Increase the fluid inlet pressure. When the fluid out-  
let pressure is at the desired level, shut off the air to  
the fluid regulator.  
5. Lock the gun trigger safety.  
6. Open the drain valve (required on your system), with  
a container ready to catch the drainage.  
7. Leave the drain valve open until you are ready to  
spray again.  
If you suspect that the spray tip or hose is completely  
clogged or that pressure has not been fully relieved after  
performing steps 1 through 7, very slowly loosen the tip  
guard retaining nut or hose end coupling and relieve  
pressure gradually. Then loosen completely and clear  
the tip or hose.  
309475F  
13  
 
 
Troubleshooting  
Troubleshooting  
Relieve the pressure (page 13) before checking or repairing the equipment.  
To repair the regulator, refer to page 15.  
Problem  
Cause  
Solution  
Replace diaphragm.  
Drop in fluid outlet pressure.  
Ruptured diaphragm (17) (pneu-  
matic regulators only).  
Air escaping (pneumatic regulators  
only).  
Check air hose and connections.  
Replace packings (13).  
Replace packings (13).  
Worn packings.  
Fluid outlet pressure increases to  
level of fluid inlet pressure.  
Valve ball (8) and seat (4) are worn or Clean ball and seat. Replace worn or  
stuck open.  
damaged parts.  
Fluid leaking from upper housing.  
Ruptured diaphragm (17) (pneu-  
matic regulators only).  
Replace diaphragm.  
Worn packings.  
Replace packings (13).  
14  
309475F  
 
Maintenance  
Maintenance  
Do not allow paint or solvent to sit in the system for  
Flushing  
extended periods. Fluid could dry on the plunger and  
cause leakage at the plunger packings. If leakage  
occurs, disassemble and clean the regulator.  
WARNING  
Cleaning and Repair  
When changing fluids or colors, the regulator should be  
disassembled and cleaned. Regular cleaning and  
inspection of the internal parts is necessary to keep the  
fluid regulator working properly.  
The system pressure must be manually relieved to  
prevent the system from starting or spraying acciden-  
tally. Fluid under high pressure can be injected  
through the skin and cause serious injury. To reduce  
the risk of an injury from fluid injection, splashing fluid,  
or moving parts, follow the Pressure Relief Proce-  
dure whenever you:  
1. Relieve all air and fluid pressure in the system.  
2. Remove the regulator from the system.  
are instructed to relieve the pressure  
stop spraying  
check or service any of the system equipment  
or install or clean the spray tip.  
3. Disassemble the regulator (see the parts drawings  
on pages 16 through 22).  
4. Clean and inspect all parts.  
1. Relieve the pressure.  
CAUTION  
2. Remove the spray tip. Clean the tip and set it aside.  
Be very careful when handling the carbide balls and  
seats. Damage will cause poor operation and leak-  
age.  
3. Supply solvent to the pump. Start the pump. Use the  
lowest possible fluid pressure when flushing.  
4. Flush the gun, spraying into a grounded metal con-  
tainer until clean solvent comes from the gun.  
5. Inspect the diaphragm, packings, o-rings, and seals  
for wear. Check the ball and seat for nicks, wear, or  
other damage.  
5. Relieve the pressure.  
6. Reinstall the spray tip.  
6. Lubricate packings, o-rings and seals when reas-  
sembling the regulator.  
7. Torque as specified on the parts drawings on pages  
309475F  
15  
 
 
Parts  
Parts  
Mechanical Regulators  
Part Nos. 233767 (shown), 233768, 233814, 234260, 234264, and 234265  
26  
26  
14  
13  
24  
12  
15  
23  
21  
9
1
1
20  
6
4
25  
16  
5
8
19  
7
27  
3
2
16  
10  
1
Torque to 25 N•m (18.5 ft-lb).  
11  
16  
309475F  
 
 
Parts  
Mechanical Regulators  
Part Nos. 233767 (shown), 233768, 233814, 234260, 234264, and 234265  
Ref.  
No.  
Part No. Description  
Qty  
Ref.  
No.  
Part No. Description  
HOUSING, lower  
Qty  
14  
15  
16  
19  
15A149  
117125  
15A178  
117093  
GLAND, female  
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
RING, retaining, internal  
PLATE, spring  
HOUSING, lower (for npt version)  
PLUG, screw  
2
15A238  
117089  
245367  
15Y030  
15Y031  
15A206  
117104  
245374  
15A217  
117112  
15A223  
15A142  
SPRING, compression; for  
233814 and 234260  
3
SPRING, compression  
SEAT, valve  
117094  
117088  
SPRING, compression; for  
233767, 233768, 234264, and  
234265  
1
1
4
5
O-RING  
SPRING, compression; for  
233768, 234265  
6
O-RING  
7
SUPPORT, ball  
BALL, 5 mm  
20  
21  
23  
24  
25  
26  
27  
15A192  
117103  
15A240  
15A203  
117108  
117098  
15Y029  
HOUSING, upper  
SEAL, flat  
1
1
1
1
1
2
1
8
9
PLUNGER, valve  
HOUSING, packing  
O-RING, slit  
SCREW, custom  
CAP  
10  
11  
12  
13  
BALL, 8 mm  
SCREW, set; M6x20  
O-RING  
GLAND, male  
PACKING  
309475F  
17  
 
Parts  
Mechanical Back Pressure Regulators  
Part Nos. 233771, 233772, 234268, and 234269 (shown)  
26  
10  
26  
24  
11  
14  
13  
23  
21  
12  
15  
9
1
1
20  
6
25  
16  
4
5
27  
19  
16  
2
1
Torque to 25 N•m  
(18.5 ft-lb).  
18  
309475F  
 
Parts  
Mechanical Back Pressure Regulators  
Part Nos. 233771, 233772, 234268, and 234269  
Ref.  
No.  
Part No. Description  
Qty  
Ref.  
Part No. Description  
No.  
Qty  
15  
16  
19  
117125  
15A178  
117093  
RING, retaining, internal  
1
2
1
1
HOUSING, lower  
HOUSING, lower (for npt version)  
PLUG, screw  
1
1
1
1
1
1
1
1
1
1
3
1
PLATE, spring  
SPRING, compression; for  
233771 and 234268  
2
15A238  
245367  
15Y030  
15Y031  
245376  
15A217  
117112  
15A223  
15A142  
15A149  
117094  
SPRING, compression; for  
233772 and 234269  
1
4
SEAT, valve  
5
O-RING  
20  
21  
23  
24  
25  
26  
27  
15A192  
117103  
15A240  
15A203  
117108  
117098  
15Y029  
HOUSING, upper  
SEAL, flat  
1
1
1
1
1
2
1
6
O-RING  
9
PLUNGER, valve  
HOUSING, packing  
O-RING, slit  
SCREW, custom  
CAP  
10  
11  
12  
13  
14  
BALL, 8 mm  
SCREW, set; M6x20  
O-RING  
GLAND, male  
PACKING  
GLAND, female  
309475F  
19  
 
Parts  
Pneumatic Regulators  
Part No. 233813 and 234259  
1
Torque to 10 N•m (7.5 ft-lb).  
1
26  
29  
30  
9
20  
17  
11  
1
16  
18  
6
4
5
8
7
27  
3
14  
13  
2
TI1749A  
12  
15  
20  
309475F  
 
Parts  
Pneumatic Regulators  
Part No. 233813 and 234259  
Ref.  
No.  
Part No.  
Description  
Qty  
Ref.  
No.  
Part No.  
Description  
Qty  
12  
13  
14  
15  
16  
17  
18  
20  
26  
27  
29  
30  
15A223  
15A142  
15A149  
117125  
15A212  
15A180  
15A218  
15A145  
117128  
15Y029  
15C332  
15C333  
GLAND, male  
1
3
1
1
1
1
1
1
6
1
1
1
PACKING  
1
HOUSING, lower  
1
GLAND, female  
RING, retaining, internal  
PLATE, diaphragm  
DIAPHRAGM  
HOUSING, lower (npt version only)  
PLUG, screw  
1
1
1
1
1
1
1
1
1
1
2
15A238  
117089  
245367  
15Y030  
15Y031  
15A206  
117104  
245375  
15Y033  
3
SPRING, compression  
SEAT, valve  
HOUSING, diaphragm  
COVER, diaphragm  
SCREW, shcs; M8x50  
O-RING  
4
5
O-RING  
6
O-RING  
7
SUPPORT, ball  
BALL, 5mm, carbide  
PLUNGER, valve  
O-RING  
FITTING, (npt models only)  
WASHER, (npt models only)  
8
9
11  
309475F  
21  
 
Parts  
Pneumatic Regulators  
Part Nos. 233760 (shown), 233769, 233770, 234266, 234270, and 234271  
1
2
Torque to 10 N•m (7.5 ft-lb).  
Torque to 12 N•m (8.8 ft-lb).  
1
26  
32  
33  
10  
13  
20  
17  
11  
1
22  
30  
22  
29  
2
31  
16  
9
28  
4
8
6
7
27  
3
2
18  
TI1745A  
22  
309475F  
 
 
Parts  
Pneumatic Regulators  
Part Nos. 233760 (shown), 233769, 233770, 234266, 234270, and 234271  
Ref.  
No.  
Part No.  
Description  
Qty  
Ref.  
No.  
Part No.  
15A187  
15C298  
Description  
Qty  
18  
15A209  
15A210  
15A211  
15A146  
HOUSING, diaphragm; for 233760  
and 234266  
1
1
HOUSING, lower  
1
HOUSING, diaphragm; for 233769  
and 234270  
1
1
1
HOUSING, lower (for npt version)  
PLUG, screw  
1
1
1
1
1
1
1
1
HOUSING, diaphragm; for 233770  
and 234271  
2
3
4
6
7
8
9
15A239  
117091  
245370  
15Y031  
15A207  
117107  
245377  
SPRING, compression  
SEAT, valve  
20  
COVER, diaphragm; for 233760 and  
234266  
15A147  
15A148  
COVER, diaphragm; for 233769 and  
234270  
1
1
O-RING  
SUPPORT, ball  
COVER, diaphragm; for 233770 and  
234271  
BALL, 8mm, carbide  
PLUNGER, valve; for 233760,  
234266,  
22  
26  
27  
28  
29  
30  
31  
32  
33  
15A220  
117028  
15Y032  
117018  
117030  
117086  
117100  
15C332  
15C333  
RING (for non-npt models only)  
SCREW, shcs; M6x16  
O-RING  
2
12  
1
245379  
PLUNGER, valve; for 233769,  
233770, 234270, and 234271  
1
10  
11  
13  
16  
245364  
15Y034  
117111  
15A213  
HOUSING, plunger  
O-RING  
1
1
1
1
WASHER  
12  
12  
1
SCREW, shcs; M6x40  
WASHER  
SEAL, rod  
PLATE, diaphragm; for 233760 and  
234266  
PLUG, threaded  
1
FITTING (npt models only)  
WASHER (npt models only)  
1
15A214  
15A215  
15A181  
15A182  
15A183  
PLATE, diaphragm; for 233769 and  
234270  
1
1
1
1
1
1
PLATE, diaphragm; for 233770 and  
234271  
17  
DIAPHRAGM; for 233760 and  
234266  
DIAPHRAGM; for 233769 and  
234270  
DIAPHRAGM; for 233770 and  
234271  
309475F  
23  
 
Technical Data  
Technical Data  
Category  
Data  
Maximum Fluid Inlet  
Pressure (Fluid Pressure  
Regulators)  
233814, 234260: 2600 psi (18 MPa, 180 bar)  
233760, 233767, 233768, 233769, 233770, 233813, 234259, 234264, 234265,  
234266, 234270, and 234271: 5000 psi (36 MPa, 360 bar)  
Maximum Permanent Supply 233771, 234268: 2500 psi (17 MPa, 170 bar)  
Pressure (Back Pressure  
Regulators)  
233772, 234269: 3400 psi (23.5 MPa, 235 bar)  
233760, 234266: 70-900 psi (0.5-6 MPa, 5-60 bar)  
Pressure Range  
233767, 233772, 234264, 234269: 1300-3000 psi (9-20 MPa, 90-200 bar)  
233768, 234265: 1300-4000 psi (9-27 MPa, 90-270 bar)  
233769, 234270: 300-2000 psi (2-15 MPa, 20-150 bar)  
233770, 234271: 600-4600 psi (4-32 MPa, 40-320 bar)  
233771, 233814, 234268, 234260: 600-1500 psi (4-10 MPa, 40-100 bar)  
233813, 234259: 600-3600 psi (4-25 MPa, 40-250 bar)  
Maximum Operating Air  
Pressure (Pneumatic  
Regulators Only)  
233760, 233770, 233813, 234259, 234266, 234271: : 85 psi (0.6 MPa, 6 bar)  
233769, 234270: 75 psi (0.5 MPa, 5 bar)  
Maximum Flow Rate  
Temperature Range  
See chart on page 26.  
233767, 233768, 233771, 233772, 233813, 233814, 234259, 234260, 234264,  
234265, 234268, 234269: 32-194°F (0-90°C)  
233760, 233769, 233770, 234266, 234270, 234271: 50-176°F (10-80°C)  
233767, 233768, 233771, 233772, 233813, 233814, : 3/8 BSPP(F)  
Fluid inlet and outlet  
234259, 234260, 234264, 234265, 234268, 234269: 3/8 npt(F)  
233760, 233769, 233770: 3/4 BSPP(F)  
234266, 234270, 234271: 3/4 npt(F)  
Air inlet  
233760, 233769, 233770, 233813: 1/4 BSPP(F)  
234259, 234266, 234270, 234271: 1/4 npt(M)  
*Gauge port  
Wetted Parts  
233760, 233769, 233770, 234266, 234270, 234271: 1/4 BSPP(F)  
233767, 233768, 233771, 233772, 233813, 233814, 234259, 234260, 234264,  
234265, 234268, 234269: Stainless steel, tungsten carbide, PTFE, chemically  
resistant fluoroelastomer  
233760, 233769, 233770, 234266, 234270, 234271: UHMWPE, Stainless steel,  
acetal, tungsten carbide, PTFE, chemically resistant fluoroelastomer  
*Accessory Gauges Available  
24  
309475F  
 
 
Accessory Gauges  
Accessory Gauges  
Model  
Gauge  
233760  
234266  
233769  
234270  
234770  
234271  
118340  
118340  
118341  
118341  
118341  
118341  
309475F  
25  
 
Flow Rate Data  
Flow Rate Data  
Maximum fluid flow with 10 weight oil, regulator wide open and no downstream restrictions.  
Part No.  
Inlet Fluid Test Pressure  
Inlet/Outlet Size  
Fluid Flow  
233760  
234266  
5000 psi (36 MPa, 360 bar)  
3/4 BSPP(F)  
3/4 npt(F)  
11.3 gpm (42.9 lpm)  
233767  
234264  
233768  
234265  
3000 psi (21 MPa, 210 bar)  
3660 psi (25 MPa, 256 bar)  
4000 psi (28 MPa, 280 bar)  
3800 psi (26 MPa, 266 bar)  
2500 psi (17 MPa, 170 bar)  
3400 psi (23.5 MPa, 235 bar)  
3800 psi (26 MPa, 266 bar)  
2500 psi (17 MPa, 170 bar)  
3/8 BSPP(F)  
3/8npt(F)  
3/8 BSPP(F)  
3/8npt(F)  
8.2 gpm (31.2 lpm)  
9.2 gpm (35.0 lpm)  
11.7 gpm (44.5 lpm)  
12.3 gpm (46.7 lpm)  
10.2 gpm (38.8 lpm)  
13.1 gpm (49.8 lpm)  
10.6 gpm (40.3 lpm)  
8.1 gpm (30.8 lpm)  
233769  
234270  
233770  
234271  
233771  
234268  
3/4 BSPP(F)  
3/4npt(F)  
3/4 BSPP(F)  
3/4npt(F)  
3/8 BSPP(F)  
3/8npt(F)  
233772  
234269  
233813  
234259  
233814  
234260  
3/8 BSPP(F)  
3/8npt(F)  
3/8 BSPP(F)  
3/8npt(F)  
3/8 BSPP(F)  
3/8npt(F)  
Mounting Dimensions  
Part No.  
Thread  
Dimension A  
233768  
234265  
M5  
28 mm (1.10 in.)  
233769  
234270  
M6  
M6  
M5  
M5  
M5  
M5  
36 mm (1.42 in.)  
36 mm (1.42 in.)  
28 mm (1.10 in.)  
28 mm (1.10 in.)  
28 mm (1.10 in.)  
28 mm (1.10 in.)  
A
233770  
234271  
233771  
234268  
233772  
234269  
Part No.  
Thread  
Dimension A  
233813  
234259  
233760  
234266  
M6  
36 mm (1.42 in.)  
233814  
234260  
233767  
234264  
M5  
28 mm (1.10 in.)  
26  
309475F  
03/2006  
 
 
Mounting Dimensions  
309475F  
27  
 
Graco 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 twelve months 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 two (2) 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 this number to identify the distributor closest to you:  
1-800-328-0211 Toll Free  
612-623-6921  
612-378-3505 Fax  
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.  
This manual contains English. MM 309475  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441  
Copyright 2002, Graco Inc. is registered to ISO 9001  
Revised 2/2009  
 

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