タイトルまたは説明

1. Standing ball valve has two types of valve body structure: *-piece and *-piece. Valve body may be connected by bolts or welding. 2. BTL mainly manufactures 3 types of standing ball valve: forged steel standing ball valve, all-welded standing ball valve and cast steel standing ball valve. 3. User may select full-size or reducing structure as required. The aperture of rate of full-size valve shall be same with inner diameter of pipeline for pipeline cleaning. 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 B*6.5/ASME B*6.*7 Butt welding connecting end:ASME B*6.*5/ ASME B*1.8 Wall thickness:ASME B*6.*4 Fireproof test:API **7/API 6FA Inspection and test:API 6D Pressure and temperature rating:ASME B*6.*4 Product scope:NPS **1/2″~NPS *0″,CL**0~CL**0 Main body material:WCB､LCB､WCC､CF8､CF8M､CF3､CF3M､A**0 4A etc. Valve seat material:PTFE､RPTFE､NYLON､DEVLON､Derlin､PEEK､PPL､HNBR､FKMor metal hard seal etc. Drive device:handle, worm wheel, electric, pneumatic, pneumatic- hydraulic, electro-hydraulic, etc.