Flanged Dual Plate Check Valve

KOSEN Flanged Dual Plate Check Valves are suitable for using on various kinds of pipeline from Class150 To Class2500, PN20 To PN420 to cut off or connect the flowing of medium. By using different material, the valves could be suitable for medium such as water, steam, oil, nitric acid, acetic acid, oxidizing substance, carbamide and etc. 

Technical Specification
Normal Size Range: 2"-60"
Normal Pressure Rating: PN10~PN420, CLASS150~2500  
Material: WCB,LCB,WC6,CF8,CF8M,CF3,CF3M
Temperature Range: -29°C~425°C

Standards compliance
Design and Manufacture: API 594, API 6D, JB/T8937
Face to face(end to end): API 594, API 6D, JB/T8937, DIN3202
Flanged connection: ANSI B16.5, DIN2543~48, JB/T9112~24
Butt welded end: ANSI B16.25
Test and inspection: API598, DIN3230, JB/T9092