Product Details:
Design standard: API 602, BS 5352.
The length of the structure: ASME B16.10 or factory standard.
Flange connecting end: ASME B16.5.
Butt welding connecting end: ASME B16.25.
Wall thickness: API 602, ASME B16.34.
Inspection and test: API 602.
Pressure and temperature rating: ASME B16.34.
Product scope:NPS ½ Inch - NPS 3 Inch, CL150 - CL2500.
Main body material: ASTM A105, ASTM A350 LF2, ASTM A182 F11, ASTM A182 F22, ASTM A182 F51, ASTM A182 F91, ASTM A182 F304, ASTM A182 F316, ASTM A182 F304L, ASTM A182 F316L, etc.
Drive device: handle, bevel gear, electric, pneumatic, etc.
API 602 Gate Valves Topper provides have the following features:
1. The flashboard has two sealing faces. The most commonly used flashboard has a wedge formed by two sealing faces. The wedge angle varies with valve parameters, usually 5°.
2. The sealing principle of a wedge gate valve is to seal through close connection of the wedging of two sealing faces of flashboard and two sealing faces of the valve body.
3. Valve body and valve cover may be connected by bolts, pressure self-tight sealing or welding.
4. The flashboard is solid.