Pulsar PLSRZ2140 1/2in Flow Sensitive Unloader GP


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SKU: PLSRZ2140 Category:


Pulsar PLSRZ2140 1/2in Flow Sensitive Unloader GP

PA General Pump 1/2in Blue Spring Pulsar Flow Sensitive Unloader


Brass Housing Unloader Valve

The General Pump PLSRZ2140 Unloader Valve is a helpful accessory that makes spray gun operation easier and safer. It boasts reduced pressure loss over other unloader valves while being extremely reliable and easy to maintain.

General Pump recommends using a safety relief device in conjunction with this unloader valve when installed on a positive displacement pump. General Pump is not liable and assumes no responsibility when used in a customer’s high pressure system.

Dimensions: 9 .35″ x 4 .42″ x 2″


  • Maximum Volume: 5.3 to 21 GPM
  • Maximum Pressure: 4050 PSI
  • Minimum Pressure: 580 PSI
  • Maximum Temperature: 140° Fahrenheit
  • Inlet Port: 1/2″ BSP-F
  • Outlet Port: 1/2″ BSP-F
  • Bypass: 1/2″ BSP-F
  • Weight: 3.8 lbs.

Technical Specifications:

Max PSI: 4050

Max GPM: 21Min

PSI: 580

Inlet Port: 1/2 inch

Outlet Port: 1/2 inch


  • Near total zero setting of the outlet pressure at gun closure increases safety
  • Reduced pressure loss
  • Makes for easier gun operation
  • Extremely reliable
  • Easy maintenance


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