Product Description
Double block and double bleed ball valve
ball valve is provided with reliable sealing and smooth flow channel so as to ensure accuracy of opening and closing through small fluid pressure loss and stable flow channel.PRODUCT RANGE
Class 150 from ½'' to 10''
Class 300 from ½'' to 8''
Class 600 from 1/2" to 4"
MATERIALS
BODY: Carbon steel, Stainless steel, Low temperature carbon steel, Duplex, Special Alloys,... Other materials under request
SOFT SEATS : PTFE, RPTFE, PEEK, DEVLON, NYLON,... Other materials under request
METAL SEAT:Tungsten Carbide(TC), Stellited
, Ni60...Other materials under request.
TRIM: A105+EP,304,316, 410, MONEL,... Other materials under request
DESIGN STANDARDS
ASME Standards:
B1.20.1Pipe Threads,General Purpose(Inch)
B16.10Face-to-Face and End-to-End Dimensions of Valves
B16.25Buttwelding Ends
B16.11Forged Fittings, Socket-Welding and Threaded
B16.5Flanged Fittings and Pipe Flanges
B16.47Large Diameter Steel Flanges
API Standards:
6DSpecifications for Pipeline valves
598Valve Inspection and Testing
607Fire test for soft-seated quarter-turn valves
6FASpecification for Fire Test for Valves
MSS Standards:
SP-55Quality Standard for Steel Castings for Valves,Flanges,and Fittings and Other Piping Components-Visual Method for Evaluation of Surface Irregularities
SP-54Quality Standard for Steel Castings for Valves,Flanges,and Fittings and Other Piping Components-Radiographic Examination Method
SP-53Quality Standard for Steel Castings for Valves,Flanges,and Fittings and Other Piping Components-Magnetic Particle Examination Method