Graco Inc.

Fluid RegulatorsFluid Regulators, Back Pressure Regulators and Fluid Gauges

Fluid regulators, back pressure regulators and fluid gauges to keep your system functioning more productively.

Where to BuyRequest Info

For a balanced fluid system, pressure control is essential. Graco provides a wide selection of fluid pressure regulators and back pressure valves. Together, these controls keep your system functioning more productively by providing rugged, precise pressure regulation.

Fluid Regulators and Back Pressure Regulators

  • Available with mechanical control or pneumatic control
  • Suitable for fluids with low and high viscosities
  • Models available with wetted parts made of stainless steel
  • Application-oriented pressure ranges

Fluid Gauges

  • Easy installation
  • Compact size
  • Designed for fine adjustment and simple maintenance

 

Low Pressure Fluid Regulator
U.S.
Metric
Maximum Fluid Inlet Pressure (Fluid Pressure Regulators)
233757, 233773, 233774, 233809, 234256, 234263, 234272, 234273: 580 psi (4000 kPa, 40 bar )233759, 234267: 1015 psi (7000 kPa, 70 bar)
233757, 233773, 233774, 233809, 234256, 234263, 234272, 234273: 580 psi (4000 kPa, 40 bar )233759, 234267: 1015 psi (7000 kPa, 70 bar)
Maximum Permanent Supply Pressure (Back Pressure Regulators)
233758, 233810, 234257, 234262: 145 psi (1000 kPa, 10 bar) 233811, 233950, 234255, 234261: 290 psi (2000 kPa, 20 bar) 233812, 234258: 725 psi (5000 kPa, 50 bar)
233758, 233810, 234257, 234262: 145 psi (1000 kPa, 10 bar) 233811, 233950, 234255, 234261: 290 psi (2000 kPa, 20 bar) 233812, 234258: 725 psi (5000 kPa, 50 bar)
Pressure Range
233773, 233809, 234272, 234256: 6-145 psi (40-1000 kPa, 0.4-10 bar) 233758, 233774, 233810, 234257 ,234262, 234273 : 15-145 psi (100-1000 kPa, 1-10 bar) 233757, 234263: 15-290 psi (100-2000 kPa, 1-20 bar) 233811, 233950, 234255, 234261: 29-290 psi (200-2000 kPa, 2-20 bar) 233812, 234258: 73-725 psi (500-5000 kPa, 5-50 bar) 233759, 234267: 145-725 psi (1000-5000 kPa, 10-50 bar)
233773, 233809, 234272, 234256: 6-145 psi (40-1000 kPa, 0.4-10 bar) 233758, 233774, 233810, 234257 ,234262, 234273 : 15-145 psi (100-1000 kPa, 1-10 bar) 233757, 234263: 15-290 psi (100-2000 kPa, 1-20 bar) 233811, 233950, 234255, 234261: 29-290 psi (200-2000 kPa, 2-20 bar) 233812, 234258: 73-725 psi (500-5000 kPa, 5-50 bar) 233759, 234267: 145-725 psi (1000-5000 kPa, 10-50 bar)
Maximum Operating Air Pressure (Pneumatic Regulators Only)
145 psi
1 MPa, 10 bar
Maximum Flow Rate
145 psi
1 MPa, 10 bar
Temperature Range
233757, 233758, 233759, 233773, 233774, 233809, 233810, 233811, 233950, 234255, 234256, 234261, 234262, 234263, 234273: 32-194°F (0-90°C) 233812, 234258: 50-176°F (10-80°C)
233757, 233758, 233759, 233773, 233774, 233809, 233810, 233811, 233950, 234255, 234256, 234261, 234262, 234263, 234273: 32-194°F (0-90°C) 233812, 234258: 50-176°F (10-80°C)
Fluid inlet and outlet
233757, 233758, 233759, 233773, 233774,233809, 233810, 233812, 233950: 3/8 in. BSPP(F) 234256, 234257, 234258, 234261,234262, 234263, 234267, 234272, 234273: 3/8 in. npt(f ) 233811: 1 in. BSPP(F) 234255: 1 in. npt(f)
233757, 233758, 233759, 233773, 233774,233809, 233810, 233812, 233950: 3/8 in. BSPP(F) 234256, 234257, 234258, 234261,234262, 234263, 234267, 234272, 234273: 3/8 in. npt(f ) 233811: 1 in. BSPP(F) 234255: 1 in. npt(f)
Air inlet
233773, 233809, 233810: 1/4 in. BSPP(F) 234256, 234257, 234272: 1/4 in. npt(m)
233773, 233809, 233810: 1/4 in. BSPP(F) 234256, 234257, 234272: 1/4 in. npt(m)
*Gauge port
1/8 in. BSPP(F)
1/8 in. BSPP(F)
Wetted Parts
Stainless steel, tungsten carbide, PTFE, chemically resistant fluoroelastomer, PEEK (233809 and 234256 only)
Stainless steel, tungsten carbide, PTFE, chemically resistant fluoroelastomer, PEEK (233809 and 234256 only)
* Accessory gauges available.

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.