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A linear design shut-off gun with that has an ergonomic handle and trigger design that allows the user to operate the gun in an easy manner.  It includes a safety lock which prevents accidental opening of the valve.  Designed with a stainless steel control bolt, stainless steel seat, ball and ¾” inlet and discharge fittings, the gun can be used whenever directional control of the lance tube is needed.

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 Flow10.6 GPM40 L/min
Max Pressure4500 PSI310 bar
Temperature Rating320 °F160 °C
Inlet Port3/4" FNPT
Outlet Port3/4" FNPT
Weight1.3 lbs.0.59 kg
Discharge FittingStainless Steel
Special FeaturesLinear
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.
Plunger Packing Kit – Part # 09748
2 05981 O-Ring 1
4 05983 Ball 1
5 09584 Seat 1
18 04045 Back-Up Ring 1
19 04044 O-Ring 1
21 05994 Piston 1


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  • Giant Industries Limited Warranty
  • 21380-12-12SS 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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