GRACO 238891 - Corrosion Resistant High Pressure Fluid Regulator, 3000-5000 PSI Range, 1.0 gpm, SST, Spring Type, 3/8(F) x 3/8(F), 1/4(F) Port, 3/8 NPT (F)

High pressure fluid regulator designed for demanding applications requiring precise pressure control up to 6000 PSI maximum pressure. Features stainless steel construction for corrosion resistance and durability in harsh environments. Spring-loaded operation provides reliable pressure regulation for high-flow applications up to 1.0 GPM.

Specifications

• Flow Rate: 2 gpm (76 lpm)
• Thread: 3/8 NPT (F)
• Max Working Pressure: 3000-5000 PSI (21-34 MPa, 207-345 bar)
• Material: 304, 316, 17-4 passivated stainless steel, nickel- and cobalt-bound tungsten carbide, PTFE
• Gauge: 1/4 F
• Maximum Fluid Inlet Pressure: 6000 PSI (41 MPa, 414 bar)
• Maximum Inbound Air Pressure: 100 PSI (0.7 MPa, 7 bar)
• Maximum Operating Temperature: 120°F (50°C)
• Fluid Pressure Gauge Range: 0-5000 PSI (0-34 MPa, 0-345 bar)
• Minimum Flow 65Cp: 2 gpm (76 lpm)
• Maximum Fluid Viscosity: Up to 15,000 cp
• Weight: 7.0 lb (3.2 kg)
• Max Viscosity: 15000 CPS
• Type: Spring
• Gauge Port Included: No
• Inlet Outlet: 3/8 F x 3/8 F
• Gauge Port: 1/4 F
• Operation Type: Manual
• Includes Gauge: Yes

Features

• Spring-operated with fluid pressure gauge
• Waterbase-compatible construction
• High pressure capability up to 6000 PSI inlet
• Stainless steel construction with passivated surfaces
• Tungsten carbide components for wear resistance
• PTFE sealing components

Applications

• High pressure fluid regulation
• Waterbase coating applications
• Corrosive fluid handling
• Industrial spray applications
• Sealants and adhesives equipment
• High pressure fluid systems

Related Parts

• 238890 - High Pressure Fluid Regulator, 500-3000 PSI, 1 gpm, SST Spring, 3/8"(F) x 3/8"(F), 1/4"(F) Port, w/ Gauge
• 238892 - High Pressure Fluid Regulator, 3000-5000 PSI, 1 GPM, SST Spring, 3/8"(F) x 3/8"(F), 1/4"(F) Port, w/ Gauge
• 238894 - High Pressure Fluid Regulator, 500-4000 PSI, 1 gpm, SST, 3/8"(F) x 3/8"(F), 1/4"(F) Port, w/ Gauge
• 248090 - Air-Operated Fluid Pressure Regulator, 316Ss, 3/8 NPT Inlet/Outlet
• 244734 - Air Operated High Pressure Fluid Pressure Regulator w/ Ez Flush Gauge Port

Part of GRACO's stainless steel waterbase-compatible high pressure fluid regulator family. Includes 6mm hex wrench adjustment tool. Instruction manual 308647. Part of high pressure regulator family with easy flush plug available. Does not include gauge. See instruction manual 308647. Part of GRACO's high pressure regulator family (238889-238894) designed for demanding industrial applications requiring precise pressure control and corrosion resistance.

Reference Manuals

• 336833 (Page 127) Single Component Catalog - Buyer's Guide and Specifications
• 336834 (Page 2) Fluid Regulators List
• 345020 (Page 37) Finishing Accessories
• 308647 (Page 2) Fluid Pressure Regulators
• 406342 (Page 1) Fluid Diaphragm Repair Kits 238747 and 17M565, and Cartridge Repair Kits 238748, 248098, 58008, 24U712 and 17M566 for Stainless Steel, Waterbase-Compatible, High Pressure Fluid Pressure Regulators 238889, 238890, 238891, 238892, 238893, 238894, 243090, and 26A086