Spring-loaded check valve H71W

Spring-loaded check valve spring-loaded check valve H71W its main function of water hammer pressure is small, the valve stroke is short, lightweight valve with spring assisted close, close the valve quickly. Very short length of the structure, small size, light weight, great convenience for the installation, handling, storage and pipeline valve arrangement, and can save a lot of material and reduce the cost. The main technical parameters: Model Nominal pressure PN (MPa) test pressure PS (MPa) Operating temperature (℃) Applicable medium Shell Seal H71W-16T 1.6 2.4 1.76 ≤200 water, steaming bodies, oil and other H71H-25Q 2.5 3.75 2.75 ≤ 235 H71W-25H ≤300 H71W-25P ≤200 nitric acid and other corrosive media H71W-40H 4.0 6.0 4.4 ≤300 water, steaming bodies, oil and other H71W-40P ≤200 nitric acid and other corrosive media