Flanged seismic valve EM

Flanged seismic valve EM

 

Mechanical seismic shutoff gas valves, normally opened, used for natural gas, LPG, propane, butane, town gas, air, etc.

When the valve detects the movements in case of an earthquake it will automatically close the gas supply and it will remain closed until it will be manually reset with a special device.

Flanged connection: DN65, DN80, DN100

Vertical instalation

Normally open

Manually reset

Ambient Temperature: -23°C (10°F)/ +51.5°C (124°F)

Working Temperature: ‐10°C (50°F) / + 80°C  (176°F)

Maximum test pressure: 2.5 bar ( 29 psi )

Working Pressure: 0.5 bar (7 psi )

Closing time: less than 1 second

Protection: IP65

Body and cover: aluminum

Diaphragm / Oring / Sealing seat: H-NBR

Internal parts: aluminium, brass, POM – Nylon 6

 

The earthquake valves are designed and certified according to 2009/142/EC, TS 12884 (similar to ANSI Z21 and ASCE 25-97), EN 13611, EN 549 .

 

 

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