DN300(12 Inch) PN10/PN16/150LB Worm Gear Butterfly Valve Suppleirs and Manufacturers
Worm Gear Butterfly Valve
Worm gear butterfly valve is simple in structure, small in size and light in weight, and only consists of a few parts. Moreover, the butterfly valve can be opened and closed quickly only by rotating 90 degrees, and the valve has good fluid control characteristics. In the fully open position, the thickness of butterfly disc is the resistance of medium flowing through the valve body, so the pressure drop generated by the valve is very small, and it has good flow control characteristics.
DN300(12 Inch) PN10/PN16/150LB Worm Gear Butterfly Valve Image
Worm Gear Butterfly Valve Features
1.The butterfly valve adopts a wear-resistant soft backrest seat. The valve plate and valve shaft are integral straight shaft without pin type, which is convenient for maintenance and replacement.
2.The valve plate adopts a frame structure with high strength, large flow area, and small flow resistance coefficient.
3. The top of the valve plate adopts a spherical design, which greatly reduces the friction between the valve plate and the valve seat, and achieves the effect of low torque and high-pressure double-sided holding pressure.
4. The valve body paint is sprayed with high-performance outdoor anti-corrosion paint, which can effectively prevent rust.
5.The valve has a novel structure, flexible operation, low torque, and convenient installation, and can be equipped with various driving methods.
Worm Gear Butterfly Valve Packing
Choose The Best Worm Gear Butterfly Valve Supplier & Manufacturers in China
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Body Test: .5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
Special Test: On request, any other test can be carried out according to special instruction by client.