Using a valve on the exhaust side of the Flowmaster is the safest way to exhaust trapped air and take a static pressure reading. The valve is also useful for controlling the flow rate from the hydrant and achieving desired flow rates and residual pressures.

  • 2" Ball Valve complete with 2.5" BS Inst. fittings
  • Model No. 34-2130
  • 2" Ball Valve c/w Storz B fittings on inlet and outlet
  • Model No. 34-2131