MIYAIRI VALVE MFG.CO., Ltd.
MIYAIRI LPR-670SH Safety Valve

Origin: Japan
Manufacturer: MIYAIRI VALVE MFG.CO., Ltd.
Model: LPR-670SH
Feature
- This safety valve is used for set pressures of 2.9 MPa or higher (above 5.4 MPa for φ5).
Specification and Material Table
| Category | Data |
|---|---|
| Size | φ5, φ8 |
| Connection | R3/4 × Rc3/4 |
| Main Fluid | CO2, N2, etc. |
| Design Pressure (φ5) | 11.7 MPa |
| Design Pressure (φ8) | 6.2 MPa |
| Hydrostatic Test Pressure (φ5) | 17.7 MPa |
| Hydrostatic Test Pressure (φ8) | 9.3 MPa |
| Leakage Test Pressure (φ5) | 11.7 MPa |
| Leakage Test Pressure (φ8) | 6.2 MPa |
| Design Temperature | -10 to 120°C |
| Body Material | C3604B |
| Disk Material | C3604B |
| Seat Packing Material | PCTFE |
| Spring Material | SUS304 |
| Size (15A) | T1: R3/4, d: 5, H: 145, T2: Rc3/4, Weight: 1.0 kg, Code: LPR670SH00-5-□□□ |
| Size (20A) | T1: R3/4, d: 8, H: 145, T2: Rc3/4, Weight: 1.0 kg, Code: LPR670SH00-8-□□□ |












