Dualco Air/Hydraulic Injection Gun Model 12000

The DUALCO Model 12000 Air/Hydraulic Injection Gun is a rugged, portable, easy-to-operate, lightweight grease gun providing speedy discharge.

Versatile Portable Grease Gun

The 12000 injection gun has an all-aluminum frame, a 10,000 PSI hydraulic pump, a “K” barrel, and a Pelican® carrying case. The highly versatile unit works well onshore and offshore and is recommended for plant, field, and platform applications. The 12000 injects standard and unique materials, including highly viscous lubricants, sealants, packing, and cleaners. This grease gun is also adaptable for injecting liquids and for hydrostatic and applied testing on pipelines and wellheads.

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Features & Benefits


  • Rated to 10,000 PSI
  • Tamper-proof internal relief valve
  • Available with inline air filters, regulators, dryers, and lubricators
  • Multipurpose handle that returns the barrel piston and locks/unlocks the barrel cap
  • Superior pumping performance for lubricants, packing sealants, and cleaners
  • Easily serviceable, and parts readily available
  • Easily refilled with sticks or bulk
  • Heavy-duty metal construction
  • "Sure Grip" surfaces
  • Corrosion resistant

Lubrication Applications

  • Injecting materials into valves and pumps when a fast controlled discharge rate is needed
  • Working in extreme temperatures and harsh environments
  • Pipelines conveying chemicals, crude or refined oil, natural gas, LPG, hydrocarbons and other fuels, pumping and compressor stations, refineries and chemical plants
  • Steel mills, lumber and paper mills, gas and oil drilling/production fields, asphalt, rubber, water, and sewage treatment plants, heavy equipment, manufacturing, mining, marine, industrial and municipal utilities
  • Pumping valve flush, valve cleaners, and valve lube sealants into ball and plug valves