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Manual high vacuum butterfly valve

Manual high vacuum butterfly valve

  • Classification:High vacuum butterfly valve
  • Number of visits:second
  • Date of issue:2021-05-21 09:26:58
  • Product overview
  • Performance characteristics
  • technical parameter


GI type-high vacuum butterfly valve


GI type high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum pipeline. The applicable medium is pure air and non-corrosive gas.


 

 


Material of main parts


Valve body, valve cover, valve stem: carbon steel or stainless steel


Seals: nitrile rubber, fluorine rubber


 

GI series are vacuum valves that have undergone a series of improvements . The valve can withstand positive pressure and the valve stem does not move up and down. On/off limited position structure, the valve plate has a locking device. It is mainly composed of valve body, butterfly plate, valve shaft, sealing ring, transmission device, etc. The manual operation device drives the valve shaft to make the butterfly plate rotate within 90° relative to the valve body to achieve opening and closing and control flow the goal of. The valve can cut off the medium in both directions to achieve reliable sealing and zero leakage in both directions. The bearing adopts self-lubricating bearing with low friction resistance.



The characteristics of the product.


1. The bearing adopts self-lubricating bearing with low friction resistance.


2. The butterfly plate sealing ring can be replaced by removing the valve from the butterfly plate sealing ring.


3. The valve can cut off the medium in both directions to achieve reliable sealing and zero leakage in both directions.


4. The shaft seal adopts a special structure with automatic compensation to isolate the connection between the external air and the pipeline to ensure the vacuum degree of the pipeline.


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