Series
A21F-16C, A21H-16C, A21H-40, A21H-64, A21Y-100, A21H-160, A21W-16P, A21W-40P, A21F-40P, A21W-64P, A21W-100P, A21W-160P, A21Y-16R, A21Y-40R, A21Y A21Y-16R, A21Y-40R, A21Y-64R, A21Y-100R, A21Y-160R, KA21Y-16C, KA21Y-16P.
Application
A21F, A21H-C type is suitable for the equipment and pipeline of air, ammonia, petroleum and other media with the working temperature ≤ 200°C. A21W-P, R type is suitable for the equipment or pipeline of corrosive gases or liquids with the temperature ≤ 200°C, as the overpressure protection device.
Model KA21Y is suitable for liquefied petroleum gas with temperature ≤ 100℃.