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Professional development, design, production and sales of ASME-BPE, high-end
Pipe fittings, valves, aseptic diaphragm valves, aseptic tank bottom valves and other high-end products
Products
Professional development, design, production and sales of ASME-BPE, high-end
Pipe fittings, valves, aseptic diaphragm valves, aseptic tank bottom valves and other high-end products
Products
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Manual Welded Diaphragm Valve


  • Suitable for inert and corrosive liquid and gaseous media
  • Handwheel is chemical resistant
  • Valve body and diaphragm are available in a variety of materials
  • Compact design
  To open up or close off the valve ,rotate the handwheel.While rotatin,the handwheel will not move up and down.

  Rather,the stem will.

Working principle

The diaphragm is close under normal state,and that moment the diaphragm clung to the valve body cavity,

and closing off the flow path through the pipeline.When the diaphragm valve have the requirement to clean 

or open,the valve stem moves upwards according to the manual or pneumatic actuator equipment,spherical 

diaphragms naturally bend upwards ,so that the valve is open and reach the requirement of clean and open.

The diaphragm make the lower body cavity and the uppper chamber separated from the valve cover,so that 

the stem at the top of the diaphragm,disc media and other parts from corrosion,eliminating the need for packing

structure,and no media leaks.The optimize valve body made the cleaning liquid flow out totally ,so that don't have

any entrapment.

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