YD320S 4 connecting rod damper valve      download

         Convert rotation sealing of damper valve to flat sealing, actuator force realize convention by 4 connecting rod, all act on seat. The special structure ensure disk depart from seat quickly, It ensures long working life of seat.
         Widely applied for frequently shut off or open purpose, to control pipe system air, gas of power generation, metallurgy, textile, glass, cement. Suitable for large diameter, large flow, lower pressure differential, tiny leakage and no leakage application. Please contact us for detail!