It is designed to ensure continuous operation of the technological cycle on pipeline lines, vessels, devices and processing plants cases when, due to operating conditions, it may be necessary to shut off (close) one of the pressure relief valves by blocking the well fluid flow. Is used for the oil refining, oil and gas producing, petrochemical, gas and energy industries.
Available versions:
| MPa | 4 | 16 |
| psi | 600 | 2300 |
| mm | 50 | 80 |
| inches | 2 1⁄16 |
3 1⁄8 |
- climatic version according to Russian standards (GOST): HL
- connection design: flange
Basic advantages:
- possible to set actuation pressure in the range of 12...16 MPa
- additional sealing of the closure member due to double seal application
- floating closure member
