Spring loaded low lift thread type safety valve

A21F-16C, A21H-16C, A21H-40, A21H-64, A21Y-100, A21H-160

A21W-16P, A21W- 40P, A21F -40P, A21W-64P, A21W-100P, A21W-160P

KA21Y-16C, KA21Y-16P

A21Y-16R, A21Y-40R, A21 Y-64R, A21Y-100R, A21Y-160R

A21F、A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the working temperature are less than 200°C. A21W-P, R type are used for the equipment and pipeline of the quality with corrode gas and liquid medium what the working temperature are less than 200°C. Take for extra pressure protection devices.

KA21 Y type are used for liquefied petroleum gas what the working temperature are less than 100°C.