Graco Inc.

High Pressure RegulatorsHigh Pressure Fluid Regulators for Precise Control

Manual or air-operated pressure regulators keep your system running longer

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For a balanced fluid system, pressure control is essential. Graco provides a wide selection of fluid pressure regulators to keep your system functioning more productively by providing rugged, precise pressure regulation.

  • Compatible with catalyst and waterborne materials 
  • Manual or air-operated 
  • Tungsten and carbide materials to resist wear 
  • Valve cartridge for quick cleaning and replacement 
  • Compact and lightweight – perfect for spray packages 

Fluid Pressure Regulators
Model 238890spring operated, with fluid pressure gauge, Model 238889spring operated, with EZ Flush plug
Maximum fluid inlet pressure
6000 psi
41 MPa, 414 bar
Regulated fluid outlet pressure
500–3000 psi
3.4–21 MPa, 34–207 bar
Maximum inbound air pressure
––
––
Fluid inlet/outlet
3/8 npt(f)
3/8 npt(f)
Gauge port size
1/4 npt(f)
1/4 npt(f)
Fluid pressure gauge (Models 238890, 238892, and 238894)
0–3000 psi
0–21 MPa, 0–207 bar
Maximum flow (in 65 cp material)
2 gpm
7.6 lpm
Maximum fluid viscosity
up to 15,000 cp
up to 15,000 cp
Maximum operating temperature
120°F
50°C
Weight (with gauge)
7.0 lb
3.2 kg
Fluid diaphragms
PTFE with TPE
PTFE with TPE
Wetted parts
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
Adjustment tool (spring-operated)
6 mm hex wrench
6 mm hex wrench
Model 238892spring operated, with fluid pressure gauge, Model 238891spring operated, with EZ Flush plug
Maximum fluid inlet pressure
6000 psi
41 MPa, 414 bar
Regulated fluid outlet pressure
3000–5000 psi
21–34 MPa, 207–345 bar
Maximum inbound air pressure
––
––
Fluid inlet/outlet
3/8 npt(f)
3/8 npt(f)
Gauge port size
1/4 npt(f)
1/4 npt(f)
Fluid pressure gauge (Models 238890, 238892, and 238894)
0–5000 psi
0–34 MPa, 0–345 bar
Maximum flow (in 65 cp material)
2 gpm
7.6 lpm
Maximum fluid viscosity
up to 15,000 cp
up to 15,000 cp
Maximum operating temperature
120°F
50°C
Weight (with gauge)
7.0 lb
3.2 kg
Fluid diaphragms
PTFE with TPE
PTFE with TPE
Wetted parts
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
Adjustment tool (spring-operated
6 mm hex wrench
6 mm hex wrench
Models 238894, 248090, and 255072, Model 238893air operated, with EZ Flush plug
Maximum fluid inlet pressure
6000 psi
41 MPa, 414 bar
Regulated fluid outlet pressure
500–4000 psi
3.4–28 MPa, 34–276 bar
Maximum inbound air pressure
100 psi
0.7 MPa, 7 bar
Fluid inlet/outlet
3/8 npt(f) 1/2 npt(f) for 248090
3/8 npt(f) 1/2 npt(f) for 248090
Gauge port size
1/4 npt(f)
1/4 npt(f)
Fluid pressure gauge (Models 238890, 238892, and 238894)
0–5000 psi
0–34 MPa, 0–345 bar
Maximum flow (in 65 cp material)
2 gpm
7.6 lpm
Maximum fluid viscosity
up to 15,000 cp
up to 15,000 cp
Maximum operating temperature
120°F
50°C
Weight (with gauge)
11.7 lb
5.3 kg
Fluid diaphragms
PTFE with TPE
PTFE with TPE
Wetted parts
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
Adjustment tool (spring-operated
Model 244734 air operated, with pressure sensor ports
Maximum fluid inlet pressure
6000 psi
41 MPa, 414 bar
Regulated fluid outlet pressure
500–4000 psi
3.4–28 MPa, 34–276 bar
Maximum inbound air pressure
100 psi
0.7 MPa, 7 bar
Fluid inlet/outlet
1/2 npt(f)
1/2 npt(f)
Gauge port size
1/4 npt(f)
1/4 npt(f)
Fluid pressure gauge (Models 238890, 238892, and 238894)
Maximum flow (in 65 cp material)
2 gpm
7.6 lpm
Maximum fluid viscosity
up to 15,000 cp
up to 15,000 cp
Maximum operating temperature
120°F
50°C
Weight (with gauge)
11.7 lb
5.3 kg
Fluid diaphragms
PTFE with TPE
PTFE with TPE
Wetted parts (all
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
304, 316, 17–4 passivated SST, nickel– and cobalt–bound tungsten carbide, PTFE for all models; ceramic for model 248090, 244734, and 255072 only.
Adjustment tool (spring-operated

Low Pressure Fluid Regulator
U.S.
Metric
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)
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 Pressure (Back Pressure Regulators)
233771, 234268: 2500 psi (17 MPa, 170 bar) 233772, 234269: 3400 psi (23.5 MPa, 235 bar)
233771, 234268: 2500 psi (17 MPa, 170 bar) 233772, 234269: 3400 psi (23.5 MPa, 235 bar)
Pressure Range
233760, 234266: 70-900 psi (0.5-6 MPa, 5-60 bar) 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)
233760, 234266: 70-900 psi (0.5-6 MPa, 5-60 bar) 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)
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
See chart in instruction manual
See chart in instruction manual
Temperature Range
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, 234259, 234260, 234264, 234265, 234268, 234269: 32-194°F (0-90°C) 233760, 233769, 233770, 234266, 234270, 234271: 50-176°F (10-80°C)
Fluid inlet and outlet
233767, 233768, 233771, 233772, 233813, 233814, : 3/8 BSPP(F) 234259, 234260, 234264, 234265, 234268, 234269: 3/8 npt(F) 233760, 233769, 233770: 3/4 BSPP(F) 234266, 234270, 234271: 3/4 npt(F)
233767, 233768, 233771, 233772, 233813, 233814, : 3/8 BSPP(F) 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)
233760, 233769, 233770, 233813: 1/4 BSPP(F) 234259, 234266, 234270, 234271: 1/4 npt(M)
*Gauge port
233760, 233769, 233770, 234266, 234270, 234271: 1/4 BSPP(F)
233760, 233769, 233770, 234266, 234270, 234271: 1/4 BSPP(F)
Wetted Parts
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
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.