The DIN swing check valves
have reasonable structure, reliable sealing and small open-close torques. DIN swing check valves
are designed according to DIN 3356
standard, product range covers nominal pressure PN16 - PN160, working temperature -29 - 350°C, carbon steel, stainless steel, alloy steel and other materials, widely used in petrochemical, chemical, electric steel, natural gas and other fields.