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Featured Image for 21280B

Heavy duty American-made 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.  With the unique orientation of the discharge tube, the gun allows the user to work for long periods of time.  The safety lock prevents accidental opening of the valve.  Designed with a stainless steel control bolt, stainless steel cam, stainless steel seat and plastic ball, the gun features machined brass inlet fitting and inlet tube, stainless steel discharge tube and heavy duty plastic housing.  With a 4:1 burst ratio and six month warranty, this shut-off gun features the most durable design (in its class) in its industry.

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 www.P65Warnings.ca.gov

Specification US Metric
Maximum Flow10 GPM37.8 L/min
Max Pressure1500 PSI103 bar
Temperature Rating250 °F121 °C
Inlet Port3/8" FNPT
Outlet Port1/4" FNPT
Weight1.8 lbs.0.82 kg
Discharge FittingStainless Steel
Special FeaturesPlastic Ball
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.
ITEM# PART# DESCRIPTION Qty.
Repair Kit – Part #21289
8 21210 O-Ring 1
10 21209 Control Bolt 1
15 21431 Valve Spring 1
16 21812 Valve Ball 1
17 21218 Valve Seat 1
18 21217 O-Ring 2
21 21251 Spring 1

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • 21280B Literature

Materials

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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