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Use of the advantages of the piece ball valve and other valves
 

Fluid resistance is small, the drag coefficient is equal to the same length of pipe sections.
Simple structure, small size, light weight.
Close and reliable, the valve sealing surface material widely used plastic, sealing, and has been widely used in the vacuum system.
Easy to operate, opening and closing rapidly, from fully open to fully closed as long as the rotation of 90 °, to facilitate remote control.
Easy maintenance, simple ball valve structure, seals are generally active, demolition replacement is more convenient.
in the fully open or fully closed, the sealing surface and the dielectric isolation of the ball and seat, through the media, without causing erosion of the valve sealing surface.
for a wide range of diameter from small to a few millimeters to a few meters, from high vacuum to high pressure can be applied. Is rotated 90 degrees, the ball in the inlet and outlet should be fully rendered sphere, thereby cutting off the flow.
 
Pieces ball valve is a relatively new type of ball valve category, it has some of the superiority of their own unique structure, such as a switch without friction, seal easy to wear, hoist torque small. This can be reduced with the actuator specifications. Together with the multi-turn electric actuators, media regulation and strict cut off. Widely used in petroleum, chemical industry, urban water supply and drainage, and other conditions that require strict cut.