BALL VALVE Steel ball valve have two types: float ball valve and fixed ball valve, Float ball valve usually class150-600LB, Size1/2-8”.Fixed ball valve has two designs: forged steel and cast steel, Forged fixed ball valves have two types cover: bolted and welded cover. Use for water, oil and natural gas, Pressure class150-1500LB. The end of cast steel ball valve: Butt welded end and flange. Ball Valve Design construction and specifications: Cast steel ball valve conform to, API608, API6D, ANSI B16.34 and BS5352. Each is tested according to API598, API6D and Marking is per MSS-SP-25. Construction as follows: Full Bore/Reduce bore Turn 90 degree opening or close Detachable seat PTFE/RTFE Bolted cover/welded cover Fire safe and anti-static Operation: Handle, gear, pneumatic, electric actuator. Dual seat with injection and drain & outlet. Bolted bonnet, Two-piece Body, Floating Ball Full or Reduced bore, Blowout Proof Stem Fire safe and Anti static Design and Manufacture: API 608, API6D, BS5351 Face to face (end to end): ANSI B16.10, API6D Flanged connection: to ANSI B16.5 Fire-safe: API607, API6FA Butt welded end: ANSI B 16.25 Test and inspection: API598, API6D