Внешний контактный Обратный клапан

External Pin Swing Check Valve there are three advantages of Swing Check Valve with External Pin compared with normal swing check valve. Firstly, the check valve with external pin is strictly manufactured according to API 6D. It is available for full opening.Secondly, the new kind of product can save the cost a lot, which is important in current global economic environment.Thirdly, it is easy for maintenance and repairs, which can save time and cost. Features: Sizes 2"-36" Class 150-1500 Bolted Cover Swing Type Disc Thread or Welded Seat Ring Standards: Degisn: API6D or B16.34 Face to Face: ASME B16.10 End Flange:ASME B16.5 BW End:ASME B16.25 Inspection & Test: API598 Fire Safe Test:API607/API6FA Special: NACE MR-01-75 Material: Cast Steel:ASTM A216 WCA,WCB,WCC Stainless Steel: ASTM A351 CF3,CF3M,CF8,CF8M,CF8C Cr-Mo Steel: ASTM A217 WC1,WC6,WC9,C5,C12,C12A Low Temperature Steel: ASTM A351LCA,LCB,LCC,LC1,LC2,LC3