API Fully Welded Body Ball Valve 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 4â?³~NPS 60â?³,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. -
