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23421B Thermal Relief Valve 3/8NPT 145 Degrees fits Oil Free Radial Pumps.

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$12.99

23421B Thermal Relief Valve 3/8NPT 145 Degrees fits Oil Free Radial Pumps.

Part Number: 23421B

Brand: Giant Pumps, Controls and Parts

In stock

23421B Thermal Relief Valve is a 3/8" NPT that is designed to remove hot fluid from the inlet chamber of the pump.
This TRV will automatically reset once the fluid temperature is below the set point of the valve.
23421B is designed to help prolong seal life of the high pressure pump.

  SPECIFICATIONS  
  U.S Metric
Flow 8 GPM 30 L/min
Pressure (Maximum) 90 PSI 6.2 bar
Continuous Temperature 140 ºF 60 ºC
Inlet   3/8" NPT
Weight 0.3 lbs 0.14 kg
Description
The Automatic Thermal Relief Valve is a must for any system utilizing a closed loop bypass line or internal bypass.
The valve is designed to protect your pump and accessories against extreme heat when the pump is in bypass.
When the temperature of the water in the bypass line reaches the preset temperature of the valve a small amount of hot water is released which is replaced by cooler supply water.
This in turn lowers the temperature of the water in the bypass line thus signaling the valve to close. NOTE: The thermal relief valve works most effectively on pumping systems having positive inlet pressures.
Service Information
Closed Loop Bypass Line Systems: For pumping systems whose bypass line is routed back to the pump inlet (closed loop), installation of the thermal relief valve should be in this loop.
By installing a "tee" in the bypass line the thermal relief valve can effectively be installed to detect heat build up during pump bypass.
A hose should be attached to the end of the valve to direct the hot discharge water to a safe location.

Internal Bypass Pumps: On pumps equipped with an internal bypass system, the thermal relief valve can be utilized by installing a "tee" at the inlet of the pump.
The thermal relief valve can be placed in a branch of the "tee" where it will sense the increased water temperature.
A hose should be attached to the end of the valve to direct the hot discharge water to a safe location.