... )Size: DN50 - DN300 2)Pressure: PN1.0/1.6MPa Knife Gate Valve Body:CI,DIWedge:SS304LStem:SS304U ring:EPDMEnd flange:DIN 2501 ... water source projects, urban water supply and drainage, sewage treatment, electric power, petroleum, petrochemical , heat supply, shipbuilding, medicine and metallurgy ... sea water, air, foodstuff and oil. Suitable for gear operators, electric and pneumatic control actuators.