Product Description China OEM Manual Override Operation Gear Box Declutch Worm Gear For Pneumatic Actuator Features Compact and light weight ISO 5211 mounting pattern Machined gear teeth provide smoothest operation and longer life High cycle life with low friction of... Product Description Description HDM De-clutchable wormgear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic quarter-turn actuators. All unit are suitable for... Merchandise Description Manufacturer in China for valve guide actuator gear box iron worm gear SpecificationDimensionsAT∅KN- M∅DDN50-DN150one hundred sixty68fifty4-M6a hundred and fiftyDN200-DN2502277270four-M8285DN300-DN350227seventy... specialize in electricity transmission merchandise, CATV items, mechanical seal, hydraulic and Pheumatic, and marketing items. we are self-assured to supply our customers adaptable and diversified services. Services & Good quality controlWe provide in depth... 