The ProStop pneumatic valve, designed to fit in place of the diaphragm check valve, provides precise spray activation for immediate starting and stopping of spraying using a pneumantic signal.

ProFlo replacement diaphragm check valves and diaphragms are available to convert or repair your current nozzle bodies. Choose from EPDM or Viton diaphragms and 4, 8, 12, 20, or 25 PSI spring pressure.