Auto Re-circulation on a Refueller to control the pumping pressure of Air Crafts. Solenoid Override or Pneumatic Override to safeguard the system. This can be operated remotely to re-circulate full flow. When installed in Main line, it prevents upstream pressure dropping below...
Model 7000 pressure relief valve specifically designed for fire sprinkler systems Relieve excess system pressure caused by surges or temperature changes and comply with NFPA-13 requirements that stipulate a pressure relief valve be installed on all gridded systems and downstream...