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...
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...