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Quanshun flow control, as a two-way metal sealing professional manufacturer of rotary valve, overcoming the drawbacks of the multi-level metal triple eccentric butterfly valve, adopts the design of the double eccentric semi ball valve principle of wedge tight. Through the drive mechanism to realize the wedge and turn off function, the valve seat sealing surface and the valve sealing surface are in the true sense of the metal hard sealing. When closing, the spherical of the valve disc moves close to valve seat, has cutting function, effectively removed medium particles, iron, twigs and other impurities, to achieve a reliable seal.
Advantage
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1.Semi-ball valve structure and working principle + butterfly valve structure length = rotary ball valve
2.Bidirectional sealing
3.Automatic compensation
4.Scaling cutting off function
5.Most suitable for large size, max DN up to 2000mm
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6.Very light weight
7.Flexible open and close
8.Have regulatory properties
9.Has all the functions of the segmented ball valve and only except for the straight through channel with all the advantages butterfly valves
10.Can replace all butterfly valve applications
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