الوصف

can be connected with ball valve, butterfly valve and plug valve Small in volume, light weight, reasonable design and novel pattern. It consists of a series of products, so output torque matches with all kinds of pneumatic devices and valves. There are two keyway apart *0°in the inner hole of worm gear so as be convenient for customer to choose relative position between gear operator and valve. Pull out the position pin and rotate off center device with **0°to realize pneumatic drive by positioning pin acted or to realize manual drive in the opposite way. The gear operator is filled with special lubricant before leaving the factory. It is solid sealed with valve after installation possessing dustproof and waterproof function with protection grade IP*5.