(1) Yoke Sleeve • Aluminum bronze yoke sleeve is equipped with a needle thrust bearing to minimize operating torque. (2) Stem Thread length up to bracket Pin and spot welding Stability. (3) Pressure Sealed? Simple construction with segmented retaining ring and silver-plated mild steel washers to help disassemble and achieve the best bonnet seal. (4) seat ring? Welded seat ring perpendicular to the flow channel, easy to maintain. (5) Actuators? These valves can be equipped with electric, hydraulic or pneumatic actuators. DN300 following the standard configuration handwheel, DN350 above configuration helical gear operating mechanism. (6) Yoke? The fully assembled yoke passes the seismic test for easy maintenance and installation of the actuator. (7) gland? Two-piece, self-adjusting gland, to avoid being ejected. (8) overall rear seat hard surface, the longest service life. (9) Flap? The spring-loaded valve flap adjusts itself to reduce actuator torque requirements. (10) The overall stop? Overall casting bracket stop device, positioning the assembly of the bracket valve, making the valve seat more stable and reliable.
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