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Feature:
1.Non-friction operation: ball turn after leaving seat to avoid the friction of sealing surfaces, solve the problem caused by the full-time contact of seat and sealing face.
2.Easy operation, except for hugo-big size, all the valve can set small handwheel to operate for the torque is so low.
3.Single-seat design can guarantee the high-quality sealing, avoid the occasion exist in double-seat valve that pressure rising.
4.Anti-abrasive ball seat face, weld hard alloy on the ball to guarantee the high-quality sealing in the strict conditions.
5.Self-cleaning: when the ball leave the seat, the fluid wash off debries along the sealing face 360 degrees to make sure the sealing properties.
6.Top-entry design to make the inspection and repairment convenient.
7.RPTFE material inserted in the metal seat to protect the metal sealing face.