Q641F pneumatic valve 


 Pneumatic ball valve is mainly used for cut off or connected to piping in the media, can also be used for fluid regulation and control, compared with other valves, has the following advantages. 1, fluid resistance small, ball valve in the fluid of all kind of least resistance, even necking ball, the fluid resistance is quite small. 2, the stem thrust bearing reduces friction torque, can stem the long-term stable and flexible operation. 3, the seat sealing performance, the use of Teflon and other seals made of elastic material, the structure easy to seal, and the ability with the ball valve closure increased with increasing media pressure. 4, stem seal, reliable, because stem not only do the operation for turning down imitation of movement, stem packing seal is not easy to destroy, and the sealing ability increased with the increase of the pressure medium. 5, the PTFE and other materials with good self-lubrication, the friction loss with the ball, so the ball's long life. 6, download style stem and stem head convex order to prevent the exhaust valve stem, stem seal damage, such as fires, convex order and the body can be formed between the metal contact, to ensure that stem seal. 7, anti-static function: the ball, stem, set between the valve spring, the process can switch to static electricity generated by export. 


 Executive body 
 Using the new GT series of pneumatic actuators, a double-acting and single acting (spring return), rack and pinion drive, safe and reliable; AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure, output torque, a double-acting and single acting. 
 1, dual piston gear, output torque, small size. 
 2, use aluminum alloy cylinder material, light weight, beautiful appearance. 
 3, can be at the top, the bottom of the installation manual operating mechanism. 
 4, rack adjustable opening angle of connection, rated flow. 
 5, optional electric actuator feedback signal instructions and all kinds of accessories for automatic operation. 
 6, IS05211 standard connection for the installation of replacement products provide convenience. 
 7, both ends of the section of the screw allows adjustment of the standard products in a 0 ° and 90 ° ± 4 ° of adjustable range. Ensure accuracy of the synchronization with the valve. 


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 Shanghai Hao-controlled valve factory workers 

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