1-Wafer Check Valve with Stainless Steel CF8, API, ANSI, BS and DIN Manufacturing Standards Model Number:LD 003-CK1 Key Specifications/Special Features: &©|8226; Body materials: carbon steel, alloy steel and stainless steel &©|8226; Manufacturing standards: API, ANSI, BS and DIN &©|8226; Sizes range: from 2 to 48-inch (DN50 to 1,200mm) &©|8226; Pressure: PN1.6 to 26*** 2-Dual Plate Check Valve, Available in Size Range from 2 to 40 Inches Diameter Model Number:LD 016-WCK3 Key Specifications/Special Features: &©|8226; Working pressure: PN10; PN16 &©|8226; Body materials: cast iron, ductile iron, aluminum bronze, stainless steel and carbon steel &©|8226; Applicable temperature: from -40 to +230 degrees C &©|8226; Size range: from 2 to 40 inches diameter (DN25 to DN1000mm) &©|8226; Face to face according to DIN3202-K3; GB12221-16 &©|8226; Flange drilling according to ANSI125/150; DIN2501 PN10/PN16; AS2129 Table E; JIS10K 3-Swing Check Valve with Cast Iron, Ductile Iron, Aluminum Bronze, and Stainless Steel Materials Model Number:LD 016-WCK4 Key Specifications/Special Features: &©|8226; Working pressure: PN10, PN16, 125LBS &©|8226; Body materials: cast iron, ductile iron, aluminum bronze, stainless steel, and carbon steel &©|8226; Applicable temperature: from -40 to +230 degree Celsius &©|8226; Size range: from 2 to 40 inches diameter (DN25 to DN1000mm) &©|8226; Face to face according to DIN3202-K3, GB12221-16 &©|8226; Flange drilling according to ANSI125/150, DIN2501 PN10/PN16, AS2129 Table E, JIS10K 4-Check Valve APC-03-02 Check Valve, Suitable for Petroleum, Chemicals, Food, Medicine, Water Supply and Drainage Key Specifications/Special Features: &©|8226; DN 25-DN 400 &©|8226; When medium passes forward through the valve, the disc opens under pressure of the medium &©|8226; Disc closes by a spring when the medium passes backward through the valve &©|8226; Closes to an 80¡ã angle &©|8226; Disc closes slowly to eliminate noise and water pressure &©|8226; Suitable for petroleum, chemica |