Butterfly Valve fire protection Grooved type This new type of valve is mainly used in chemical equipment, petrochemical equipment or sugar and wine manufacturing equipment. The metal sealing coating of the Butterfly Valve fire protection Grooved type series product is also wrapped with a polytetrafluoroethylene coating, even if the rubber layer is destroyed by a fire, the metal layer can still play a sealing role. Tests have proved that in a fire, the amount of flammable media handled by the valve in the closed state is extremely low or does not leak at all.

Butterfly Valve fire protection Grooved type is a type of valve that uses the temperature control of fusible alloy to close by the action of gravity and spring mechanism. The new products also use shape memory alloy to produce deformation to close the valve.
Regardless of the degree of the Butterfly Valve fire protection Grooved type, its working state is installed on the ventilation duct or fire protection duct; it is normally open. When the temperature reaches the temperature, the controller will fuse and automatically shut down to block flames or heat waves. ; Prevent the flame from spreading along the ventilation duct.
The function of Butterfly Valve fire protection Grooved type is: when the flue gas temperature reaches 280℃, people have basically been evacuated, and exhausting smoke has no practical meaning, and there is fire in the flue gas at this time, and the valve is automatically closed to avoid the spread of fire.