Fluid Regulators

Fluid Regulators 

Fluid Regulators, Back Pressure Regulators and Fluid Gauges

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

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.

Features :

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

Specifications :

Low Pressure Fluid Regulator
Metric
Maximum Fluid Inlet Pressure (Fluid Pressure Regulators)
233757, 233773, 233774, 233809, 234256, 234263, 234272, 234273, 24Z112: 4000 kPa, 40 bar
233759, 234267: 1015 psi
233759, 234267: 7000 kPa, 70 bar
Maximum Permanent Supply Pressure (Back Pressure Regulators)
233758, 233810, 234257, 234262: 1000 kPa, 10 bar
233811, 233950, 234255, 234261: 290 psi
233811, 233950, 234255, 234261: 2000 kPa, 20 bar
233812, 234258: 725 psi
233812, 234258: 5000 kPa, 50 bar
Pressure Range
233773, 233809, 234272, 234256: 40-1000 kPa, 0.4-10 bar
233758, 233774, 233810, 234257, 234262, 234273 : 15-145 psi
233758, 233774, 233810, 23425 , 234262, 234273 : 100-1000 kPa, 1-10 bar
233757, 234263: 15-290 psi
233757, 234263: 100-2000 kPa, 1-20 bar
24Z112: 15–290 psi. Preset to 185 psi.
24Z112: 100–2000 kPa, 1–20 bar. Preset to 1275 kPa, 13 bar.
233811, 233950, 234255, 234261: 29-290 psi
233811, 233950, 234255, 234261: 200-2000 kPa, 2-20 bar
233812, 234258: 73-725 psi
233812, 234258: 500-5000 kPa, 5-50 bar
233759, 234267: 145-725 psi
233759, 234267: 1000-5000 kPa, 10-50 bar
Maximum Operating Air Pressure (Pneumatic Regulators Only)
1 MPa, 10 bar
Maximum Flow Rate
See chart on page 21, manual 309474.
Temperature Range
233757, 233758, 233759, 233773, 233774, 233809, 233810, 233811, 233950, 234255, 234256, 234261, 234262, 234263, 234273, 24Z112: 0-90°C
233812, 234258: 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, 24Z112: 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)
*Gauge port
1/8 in. BSPP(F)
Wetted Parts
Stainless steel, tungsten carbide, PTFE, chemically resistant fluoroelastomer, PEEK (233809 and 234256 only)
* Accessory gauges available.
Low Pressure Fluid Regulator
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)
Maximum Permanent Supply Pressure (Back Pressure Regulators)
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)
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
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)
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)
Air inlet
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)
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
* Accessory gauges available.
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