ZH288 Blue Spring Unloader YUB


SKU: ZH288 Blue Spring Unloader YUB Category:


ZH288 Blue Spring Unloader 1/2″ NPT YUB


  • Improved design, trapped pressure unloader
  • Reduced pressure loss
  • Extremely reliable
  • Easy maintenance


  • Maximum volume: 21 GPM
  • Maximum pressure: 4500 PSI
  • Maximum temperature: 195F. The valve is designed for continuous use at a water temperature of 140F. It can operate for short periods at a maximum temperature of 195F.
  • Inlet: Dual 1/2″ FPT
  • Discharge: 1/2″ FPT
  • Bypass: 1/2″ FPT


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