Product design and scope
Design standard：API 6D
Length of structure:API 6D. For product beyond the scope of the standard, it shall be manufactured by specifications in BTL standard or user's requirements.
Flange connecting end：ASME B16.5/ASME B16.47
Butt welding connecting end：ASME B16.25/ ASME B31.8
Wall thickness：ASME B16.34
Fireproof test：API 607/API 6FA
Inspection and test：API 6D
Pressure and temperature rating：ASME B16.34
Product scope：NPS 4″～NPS 60″,CL150～CL1500
Main body material:A105、LF2、F304、F316、F304L、F316L、F51etc.
Valve seat material:PTFE、RPTFE、NYLON、DEVLON、Derlin、PEEK、PPL、HNBR、FKM or metal hard seal etc.
Drive device:handle, worm wheel, electric, pneumatic, pneumatic- hydraulic, electro-hydraulic, etc.

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  ball vall.pdf
  13913 KB
  China