➤ Design standard → API 602/BS5352

➤ Length of structure → length of structure of socket welding/thread end of forged steel gate valve is manufactured by factory standard

➤ Flange connecting end → The length of structure of flange/ butt welding end of forged steel gate valve is manufactured by ASME B16.10

➤ Butt welding connecting end → ASME B16.5

➤ Wall thickness → ASME B16.25

➤ Inspection and test → API 602/ASME B16.34

➤ Pressure and temperature rating → API 602

➤ Product scope → ASME B16.34

➤ Main body material → NPS ½″~NPS 3″, CL150~CL2500

➤ Main body material → A105, LF2, F11, F22, F51, F91, F304, F316, F304L,F316L etc.

✔︎ The flashboard has two sealing faces. The most commonly used flashboard has a wedge forming by two sealing faces. The wedge angle varies with valve parameters, usually 5°.

✔︎ The sealing principle of wedge gate valve is seal through close connection of wedging of two sealing faces of wedge flashboard and two sealing faces of valve body.

✔︎ Valve body and valve cover may be connected by bolts, pressure self-tight or welding.

✔︎ The flashboard is solid flashboard.