The characteristics of smoke reversed flow of qi check valve

Smoking is reversed flow of qi check valve in case of steam and ( Or) Water by extraction steam pipe to turbine driven back automatically close the valve. 1, reversed flow of qi and smoke check gate design and manufacture ANSIB16 acceptance criteria used. 34, E101 or JB/T3595, strength and sealing performance completely conform to the standard needs, the vacuum valve and vacuum test, the whole life to meet user requirements. 2, equipped with damping valve weight, can balance the closed kinetic moment, prevent not hammer. 3, the disc design for the rocker arm and valve stem connection, with valve seal face since the rightness of, ensure the sealing face. 4, the valve seat sealing surface inclination Angle, reduce shut down time, lighten the impact, protect the security of the equipment itself and the pipe. 5, the body cavity adopts streamlined design, flow capacity, reduce the resistance of the valve. 6, for the spring return type actuator cylinder or hydraulic cylinder, with a relatively independent, the valve closed and actuator failure does not affect the closing action. 7 ring hydraulic cylinder, cylinder wall coating wear-resisting corrosion resistant layer, can increase life, reduce the resistance, the valve is flexible and reliable. 8, close the open sets limit mechanism, avoid open a bit damaged. 9, the actuator is equipped with a switch valve position signal output, the valve open position on indicator.