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Heavy duty shut-off gun with rear load design.  An ergonomic handle and trigger design that allow the user to operate the gun in an easy manner.  The safety lock prevents accidental opening of the valve.  Designed with a stainless steel control bolt, stainless steel seat and stainless steel ball, the gun is designed for higher flow applications.

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
Maximum Flow31.7 GPM120 L/min
Max Pressure1960 PSI135 bar
Temperature Rating212 °F100 °C
Inlet Port1/2" BSP
Outlet Port1/2" BSP
Weight2.75 lbs.1.248 kg
Special FeaturesHigh Flow, 16" Lance
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.

No repair kits available.  See literature for replacement parts.


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  • Giant Industries Limited Warranty
  • 21790-16 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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