COH Internal Hydraulic shut-off Valves for emergency close and isolate the line or the tank in the event of an external fire; in addition to working also as a control valve.
By means of hydraulic pressure it keeps the valve open, being able to work as a control valve. In the event of an external fire the valve acts as an emergency valves; Its fuse blows, releasing the hydraulic pressure and closing the valve instantly and cutting off the gas supply.
Available in 2 ", 3", 4 "and 6"
Ideal for LPG tank trucks, tanks and lines for LPG and / or ammonia.
They allow to isolate the line or the warehouse in case of fire