➤ 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.

✔︎ It's generally for general industrial pipeline and long-distance transportation pipeline for various corrosive and non-corrosive mediums.

✔︎ Standing ball valve has two types of valve body structure: 2-piece and 3-piece. Valve body may be connected by bolts or welding.

✔︎ 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.

✔︎ 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.