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Low Shear Fluid Back Pressure Regulator, 21 Max bar (300 psi), 38 lpm (25 gpm) Max flow rate, SST, Pneumatic, high wear, sanitary inlet/outlet
Part Number: 25R457
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Low Shear Fluid Back Pressure Regulator, 21 Max bar (300 psi), 38 lpm (25 gpm) Max flow rate, SST, Pneumatic, high wear, sanitary inlet/outlet
Part Number: 25R457
Graco’s low shear back pressure regulator (BPR) minimises shear and prevents paint degradation so that manufacturers produce consistent finish quality.
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Product Brochure
Graco’s low shear back pressure regulator (BPR) minimises shear and prevents paint degradation so that manufacturers produce consistent finish quality.
- Air-operated model works with Intelligent Paint Kitchen (IPK) control to reduce energy consumption and paint shear
- Ultralife series ceramic-coated parts resist wear and increase service life
- Low profile, compact design and backwards compatibility mean easy installation and replacement
Specifications & Documents
Technical Specifications
Convert to Imperial| Compatible Material | Water-borne, Solvent-borne |
|---|---|
| Gauge Port Size (in) | 1/4 |
| Gauge Port Type | NPT |
| Inlet Size (in) | 1.5 |
| Inlet Thread Type | Sanitary Flange |
| Maximum Air Inlet Pressure (psi) | 100 |
| Maximum Flow Rate (gpm) | 25 |
| Maximum Operating Temperature (°F) | 122 |
| Maximum Regulated Pressure (psi) | 250 |
| Maximum Viscosity (cP) | 1000 |
| Maximum Working Pressure (psi) | 300 |
| Minimum Operating Temperature (°F) | 32 |
| Minimum Regulated Pressure (MPa) | 0.17 |
| Minimum Regulated Pressure (psi) | 25 |
| Outlet Size (in) | 1.5 |
| Outlet Thread Type | Sanitary Flange |
| Type | Back Pressure Regulator |
| Wetted Material | Stainless Steel, Tungsten Carbide |
| Compatible Material | Water-borne, Solvent-borne |
| Gauge Port Size (cm) | 0.635 |
| Gauge Port Size (in) | 1/4 |
| Gauge Port Size (mm) | 6.35 |
| Gauge Port Type | NPT |
| Inlet Size (cm) | 3.8 |
| Inlet Size (in) | 1.5 |
| Inlet Size (mm) | 38 |
| Inlet Thread Type | Sanitary Flange |
| Maximum Air Inlet Pressure (bar) | 7 |
| Maximum Air Inlet Pressure (kPa) | 690 |
| Maximum Air Inlet Pressure (kg/cm²) | 7 |
| Maximum Air Inlet Pressure (psi) | 100 |
| Maximum Flow Rate (l/min) | 95 |
| Maximum Operating Temperature (°C) | 50 |
| Maximum Regulated Pressure (bar) | 17.6 |
| Maximum Regulated Pressure (kPa) | 1724 |
| Maximum Regulated Pressure (kg/cm²) | 17.6 |
| Maximum Regulated Pressure (psi) | 250 |
| Maximum Viscosity (cP) | 1000 |
| Maximum Working Pressure (bar) | 21.1 |
| Maximum Working Pressure (kPa) | 2068 |
| Maximum Working Pressure (kg/cm²) | 21.1 |
| Maximum Working Pressure (psi) | 300 |
| Minimum Operating Temperature (°C) | 0 |
| Minimum Regulated Pressure (MPa) | 0.17 |
| Minimum Regulated Pressure (bar) | 1.8 |
| Minimum Regulated Pressure (kPa) | 172 |
| Minimum Regulated Pressure (kg/cm²) | 1.8 |
| Minimum Regulated Pressure (psi) | 25 |
| Outlet Size (cm) | 3.8 |
| Outlet Size (in) | 1.5 |
| Outlet Size (mm) | 38 |
| Outlet Thread Type | Sanitary Flange |
| Type | Back Pressure Regulator |
| Wetted Material | Stainless Steel, Tungsten Carbide |
Product Manuals
Sales Literature
