Sanitary pumps, centrifugal pumps, positive displacement pumpsSanitary pumps, centrifugal pumps, positive displacement pumps

Pneumatic Diaphragm Valve(YNK)


Technical specifications

  • Driving type..........Pneumatic, NC (1)/NO(2)/duplexing(3)
  • Max. pressure.....
  • Max. temperature.....................150℃
  • Controlling pressure.....................5-6kg (for type1), 3-6kg (for type 2 and 3)
  • Diaphragm gasket.....................EPDM, Viton, Teflon
  • Valve body material.....................SS304/316L Forged valve body; SS304/316L Cast valve body
  • Connection type.............Welded connection as below table,others please check the catalog
Install Size (mm)
  A A1 B L
DN15 197.5 126 50.5 125
DN20 197.5 126 50.5 125
DN25 197.5 126 50.5 125
DN32 237 158 50.5 145
DN40 240 158 50.5 160
DN50 296.5 211 64 190



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