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pressure must be applied to the disc to force the sealing surface not to leak. When the medium enters the valve six from the bottom of the valve disc, the resistance that the operating force needs to overcome is the friction force of the valve stem and the packing material and the thrust...
The working principle of the bellows globe valve is to replace the original valve stem sealing packing with a metal bellows welded on the valve stem and sealed between the valve cover and the valve body. The opening and closing and adjustment of the stop valve will compress and stretch the ...
Valve testing machine Factory gate Interior view of plant area Products and Cases The products are widely used in energy, steel, natural gas, chemical industry, aerospace and other pillar industries of the national economy, with stable market demand and broad prospects. ...
Working principle: This kind of valve can be operated through actuator(90 degree rotary handle), actuator with the hand is to revolve the axial movement unto 90degree, so the valve can open or close. Standard Design: Have different standard of...
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, easy to maintain, not only suitable for low and medium pressure, but also for high pressure, The closing principle of globe valve is to make the disc sealing surface and the seat sealing surface closely adhere to prevent the flow of media by relying on the pressure of the valv...
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Valves are used in a wide variety of applications and in a variety of classification methods. The total can be divided into two categories: 14 May 2019 What is the working principle of electromagnetic pneumatic valve? Electromagnetic pneumatic valve...