BS1873 литой стали Проходной клапан

BS1873Cast Steel Globe Valve Features 1.Rational structure, reliable sealing, excellent performance and nice molding. 2.Co-radix alloy welded sealing surface, anti-wearing, erosion-proof, abrasion-proof and prolonged service life. 3.There is backseat structure in the valve, so the sealing is reliable. 4.Disc and seal surface of seat utilize awl seal, with small strength to blow down scour resistance seal credible. 5.The part materials and flange dimensionscan be selected according to current working condition and customers requirement, so that to meet the requirements of various engineering. Technical Data 1.Size: NPS 2 24 2.Pressure: Class 150 Class 1500 3.Temperature: -46.C 593.C 4.Design Standard: ASME B16.34,BS 1873 5.Face to Face: ASME B16.10 6.Flanged Ends:ASME B16.5 Butt-welding Ends: ASME B16.25 7.Test and Inspection: ISO 5208, API 598 8.Drive Means: Manual, Electric Actuator, Pneumatic Actuator 9.Material:Carbon Steel to ASTM: WCB,LCB Stainless Steel to ASTM: CF8,CF8M,CF3,CF3M Alloy Steel to ASTM: WC6, WC9, C5 Other materials(Alloy 20, AISI 321, AISI 347, Monel, Hastelloy, etc.) are available on request. 10.Disc:Plug or Parabolic type Notes: The sizes of serial valve flange and butt-welding dimensions can be designed according to customer's requirement.