GRACO 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
High pressure fluid regulator designed for demanding spray finishing applications requiring precise pressure control. Features stainless steel construction with spring-loaded pressure regulation for consistent performance in high-pressure systems up to 6000 PSI maximum pressure with operating range of 500-3000 PSI.
Features:
- Stainless steel wetted materials are compatible with catalyst and waterborne materials
- Tungsten and carbide materials ensure low wear and long life
- Valve cartridge for quick cleaning and replacement – reduce downtime
- Glycerin filled gauge for accurate pressure reading
Additional Specifications
- Flow Rate: 2 gpm (7.6 lpm)
- Material: 304, 316, 17-4 passivated stainless steel, nickel- and cobalt-bound tungsten carbide, PTFE
- Maximum Operating Temp: 120°F (50°C)
- Maximum Fluid Viscosity: Up to 15,000 cp
- Weight: 7.0 lb (3.2 kg)
- Adjustment Tool: 6 mm hex wrench
- Maximum Inbound Air Pressure: 100 PSI (0.7 MPa, 7 bar)
- Wetted Part Number: 248090 - ceramic
- Wetted Parts: SS
- Gauge Included: Yes
| Actuation Type | Spring |
| Gauge Port Size (in) | 1/4 |
| Gauge Port Type | NPT |
| Includes | Gauge |
| Inlet Size (in) | 3/8 |
| Inlet Thread Type | NPT |
| Maximum Flow Rate (GPM) | 1 |
| Maximum Regulated Pressure (psi) | 3000 |
| Maximum Viscosity (cP) | 15000 |
| Maximum Working Pressure (MPa) | 41 |
| Maximum Working Pressure (psi) | 6000 |
| Minimum Regulated Pressure (psi) | 500 |
| Outlet Size (in) | 3/8 |
| Type | Fluid Regulator |
| Wetted Material | Stainless Steel |
Features
- Spring-operated with fluid pressure gauge
- Waterbase-compatible construction
- Stainless steel with passivated finish
- High pressure capability up to 6000 PSI inlet
- Cobalt-bound tungsten carbide components
- PTFE sealing components
Applications
- High pressure fluid regulation
- Waterbase coating systems
- Chemical processing applications
- Industrial fluid dispensing
- High pressure spray finishing systems
- Industrial coating applications
Compatible Equipment
- Merkur Bellows spray systems
- Related spray gun equipment listed on page
Related Parts
- 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
- 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
- 244734 - Air Operated High Pressure Fluid Pressure Regulator w/ Ez Flush Gauge Port
- 248090 - Air-Operated Fluid Pressure Regulator, 316Ss, 3/8 NPT Inlet/Outlet
- 243340 - Pail Cover with Agitator - SST
- 222121 - Fluid Regulator, Stainless Steel
- 24A567 - Pump Outlet Fluid Filter, Stainless Steel
Model includes EZ Flush plug feature. Instruction manual 308647. Fluid pressure gauge range 0-3000 PSI. Part of high pressure regulator family with easy flush plug available. Instruction manual 308647 provides detailed setup and maintenance information. This is an accessory component for Merkur Bellows spray systems. The page shows it as part of a comprehensive accessories lineup for spray applications.
Reference Manuals
- 336833 (Page 127) Single Component Catalog - Buyer's Guide and Specifications
- 336834 (Page 2) Fluid Regulators List
- 344834 (Page 6) Bellows Pumps
- 345020 (Page 37) Finishing Accessories
- 308647 (Page 1) Fluid Pressure Regulators
