Non-Surge Check Valve 

The non-surge check valve shall function to prevent pump start-up surges and reverse flow by opening slowly after pump start and closing quickly when the pump stops. Valve opening speed shall be adjustable.

The OCV 94-1QC non-surge check valve is a simple on/off valve which effectively minimizes pump start up surges. It opens at an adjustable speed to allow forward flow and closes quickly and tightly to prevent reverse flow.


  • Opens slowly on pump start
  • Closes quickly on pump shut-down
  • Visual indicator enables operator to determine valve position at a glance
  • Can be maintained without removal from the line