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A compact, highly accurate, direct-acting pressure relief valve. Factory preset to desired crack pressure and/or flow specifications. Internal adjustment provides tamper-proof safety against inadvertent pressure changes. Valves feature a Quad ring seal, allowing for extreme accuracy and repeatability with a narrow reseat band.
A compact, highly accurate, direct-acting pressure relief valve. Factory preset to desired crack pressure and/or flow specifications. Internal adjustment provides tamper-proof safety against inadvertent pressure changes. Valves feature a Quad ring seal, allowing for extreme accuracy and repeatability with a narrow reseat band.
Features
| Technical Data | |
| Set Pressure Range | 70 Psig (4.8 bar) |
| Inline Valves (series Vrvi) | Proof Pressure: 400 Psig (28 bar) Burst Pressure: >500 Psig (34 bar) |
| Set Pressure Tolerance | Factory preset: < 2 Psig (0.14 bar): +/-10% 2 to 150 Psig (0.14 to 10.3 bar): +/- 5% (on increasing pressure) |
| Reseat | 50% of Set Pressure for valves specified 0.5 to 1.9 Psig (0.03 to 0.13 bar) 80% of Set Pressure for valves specified 2 to 10 Psig (0.14 to 0.7 bar) 92% of Set Pressure for valves specified 10 to 150 Psig (0.7 to 10.3 bar) |
| Temperature Range | -65 to 300°F (-54 to 148°C) |
| Materials of Construction | |
| Valve Body | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Stem | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Spring Retainer | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Seal | Ethylene Propylene: -65 to 300°F (-54 to 148°C) |
| Spring | 302 SS/17-7 PH, ASTM A313 |
| Locknut | 18-8 SS |
| Deflector Cap and River | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Technical Data | |
| Set Pressure Range | 70 Psig (4.8 bar) |
| Inline Valves (series Vrvi) | Proof Pressure: 400 Psig (28 bar) Burst Pressure: >500 Psig (34 bar) |
| Set Pressure Tolerance | Factory preset: < 2 Psig (0.14 bar): +/-10% 2 to 150 Psig (0.14 to 10.3 bar): +/- 5% (on increasing pressure) |
| Reseat | 50% of Set Pressure for valves specified 0.5 to 1.9 Psig (0.03 to 0.13 bar) 80% of Set Pressure for valves specified 2 to 10 Psig (0.14 to 0.7 bar) 92% of Set Pressure for valves specified 10 to 150 Psig (0.7 to 10.3 bar) |
| Temperature Range | -65 to 300°F (-54 to 148°C) |
| Materials of Construction | |
| Valve Body | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Stem | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Spring Retainer | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
| Seal | Ethylene Propylene: -65 to 300°F (-54 to 148°C) |
| Spring | 302 SS/17-7 PH, ASTM A313 |
| Locknut | 18-8 SS |
| Deflector Cap and River | 2024 Aluminum ASTM B211 (Clear Anodized, ASTM B580) |
