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This is a pressure-actuated regulator that is designed for any that fits within the flow and pressure range of the regulator.  The regulator determines the direction of the flow in the system and maintains system pressure via an adjustable hand-wheel that controls the amount of tension on a pressure spring.  When the water flow stops, it is diverted through the bypass port at virtually no pressure.  The regulator is capable of handling one or more shut-off guns and should be run with no bypass (if the full flow from the pump is going through the regulator).  It actuates at around 10% above the system pressure.

WARNING: This product might contain a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to

Specification US Metric
Minimum Flow1.3 GPM5 L/min
Maximum Flow8 GPM30 L/min
Min Pressure145 PSI10 bar
Max Pressure3045 PSI210 bar
Temperature Rating160 °F70 °C
Inlet Port3/8" FNPT
Outlet Port3/8" FNPT
Bypass Port1/4" FNPT
Weight2.1 lbs.1 kg
The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.
Repair Kit – Part #09108
3 06015 O-Ring 1
6 12305 Guide Ring 1
7 12018 Guide Ring 2
8 11507 O-Ring 2
10 12307 O-Ring, Piston 1
11 12308 Back Up Ring, Piston 1
13B 12326 O-Ring 1
15 12007 O-Ring 2
21A 12351 O-Ring 1


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  • Giant Industries Limited Warranty
  • 22760AR Literature


Sample Pump

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For 50 years, Giant Pumps has offered the most dependable positive displacement high-pressure triplex pumps available. Designed and built to the highest quality standards, customers count on Giant Pumps products to keep their equipment running. Every design detail of Giant Pumps products is optimized for long-life and reliable performance, making Giant Pumps the most trusted name in high-pressure pumps and systems.

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