DN15/DN20/DN25 Gas Emergency gas valve automatic shut off valve for sale

Specification:
Gas: Natural gas; liquefied petroleum gas, city gas and other non-corrosive gases
Application:home,commercial area,kitchen,restaurant,industrial,gas station,etc. 

Drive voltage: DC9V ~ DC15V (Pulse).
Body material: Aluminum or brass
Drive Current: <2A (pulse) 
Sealing material: NBR
Close valve time: less than 1 second 
Working temperature: -20 °C ~ +50 °C
Maximum working pressure: 25KPa
Outlet length: 0.5 m
Connection size: G1 / 2 "(DN15A) / G3 / 4" (DN20A)/1''/2'',Or other size
Close valve: DC pulse drive / manual
Open valve: manual reset