Product: DIN Piston Type lift check valve Pressure Rating: 1.0-4.0Mpa Specification: DN15-DN500 Material: GS-C25,CF8,CF3 Standard flanges: DIN Construction length standard: DIN3203, Flange Standard: DIN 2543-DIN2546 Test & Inspection Standard: DIN 3230-75 Main Structural Features. 1.This product has logical structure, reliable seal, excellent performance and nice design. 2.Sealing face is overlayed by STL, which is friction-resistant, corrosion resistant to ensure a long time use life. 3.The parts material, flange and butt welding dimension may selected according to current operating condition or users' requirement to meeting the requirement of various engineering. -
