Bronze, steel and stainless steel safety relief valves for air, gas, steam, liquid and vacuum service that meet ASME Section VIII, ‘UV’; Section I, ‘V’, are National Board certified and PED certified for non-hazardous gas.
Features- Heavy duty cast valve bodies.
- Seats lapped to optical flatness.
- Available with resilient soft seats for superior leak-free performance.
- Standard SS spring for temperatures to 550°F (288°C). Optional alloy spring to 800°F (427°C).
- Threaded cap standard (back pressure tight). Maximum back pressure 50 psig [3.4 barg].1.
- Hex on valve nozzle provides for easy installation.
- Warn ring offers easy adjustability.
- Pivoting disc design offers exceptional seat alignment.
- Guide to nozzle ratio reduces friction.
- Full nozzle design for optimum flow performance.
- Threaded side outlet for piped off discharge to eliminate fugitive emissions.
- Each valve tested and inspected for pressure setting and leakage.