cast steel ball valve are designed and manufactured to provide maximum service life and dependability. All gate valves are full ported and meet the design requirements of American petroleum Institute Standard API 600 & API 6D,British standard BS 5351 and generally conform to American Society of Mechanical Engineers standard ASME B 16.34. Valves are available in a complete range of body/bonnet materials and trims.Rang of Materials Standard body/bonnet materials include nine grades of carbon,

Class 150~1500 Forged Steel Trunnion Ball Valve Bolted cover or welded cover,three-piece Body,fixed Ball Full or Reduced bore,Blowout Proof Stem Fire safe and Anti static Dual seat with injection and drain & outlet ASTM A105N,A182 F304,A182 F316,A182 F304L,A182 F316L Standards compliance Design and manufacture: ANSI B16.34,API 608,API 6D,BS5351 Face to face dimensions: ANSI B16.10,API 6D Flanged connection: ANSI B16.5 Butt welded: ANSI B16.25 Fie-safe: API 607