Seismic Valves FM Threaded

Earthquake Valve

 

This mechanical  earthquake valves were specially designed to shut off the gas supply in case of earthquakes. When the valve feels the seismic vibrations the valve closes automatically.

The seismic valve is made and certified according ASCE- 25-06 standard conditions.

Temperature: -23°C (-10°F)/ +66°C (150°F)
Pressure: 0.5bars ( 7 psi )
Maximum test pressure: 2,5 bar ( 36 psi )
Thread length: NPT thread, length min 20 mm.
Gasses: Natural gas, LPG, methane, propane, air, non corrosive gaseous fluids.
Body parts in contact with gas are aluminum, brass and stainless steel.

 

MODEL Thread(G) DN Connection Type Position Max. Pressure
FM20 3/4″ 20 Thread Vertical 7 PSI
FM25 1″ 25 Thread Vertical 7 PSI
FM252 1″ 25 Thread Vertical 60 PSI
FM253 1″ 25 Thread Horizontal 60 PSI
FM32 1 1/4 “  32 Thread Vertical 7 PSI
FM40 1 1/2 “  40 Thread Vertical 7 PSI
FM402 1 1/2 “  40 Thread Vertical 60 PSI
FM403 1 1/2 “  40 Thread Horizontal 60 PSI
FM50 2″  50 Thread Vertical 7 PSI
FM502 2″  50 Thread Vertical 60 PSI
FM503 2″  50 Thread Horizontal 60 PSI

 

 

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