API 602 gate valve
Pressure: Class 150~1500
The flashboard is solid flashboard.
Valve body and valve cover may be connected by bolts, pressure self-tight or welding.
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.
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°.
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