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High pressure gas boosters

High pressure and ultra-high pressure gas boosters

High pressure gas boosters: High pressure and ultra-high pressure gas boosters


Air driven gas boosters HII - ideal solution for high and ultra-high pressure gas supply at relatively low flow rates.

The basic line of gas boosters HII is represented by 42 basic types with variety of modifications.

The product line covers a wide range of operating pressures and allows you to solve multitude engineering tasks.

Many years' experience and production facilities allow Hydraulics International Inc. to offer high-tech solutions for boosting of hazardous gases, ultrapure gases to the maximum permissible pressures applied in engineering practice.

Non-lubricated piston design together with pneumatic drive do not have competitive alternatives when solving some engineering tasks of boosting gases to high and ultra-high pressures with relatively low to zero flows.


  • Pressures up to 30,000 PSI for most gases and 5,000 PSI for Oxygen;
  • Various models available for vacuum application;
  • Easy to install and operate;
  • Compact, lightweight design;
  • Single or double acting and 2-stage models;
  • Double air drives available in single and 2-stage boosters;
  • No electrical power required;
  • Requires no high pressure seal lubrication;
  • Boosters are contaminant FREE;
  • Units can be operated in series or parallel;
  • Boosters may be mounted in any orientation;


  • Absolutely clean design of the gas part - no lubrication;
  • Do not pollute the gas - ideal for pumping high-purity gases;
  • Ideal for charging, maintaining constant pressure, recharging;
  • Unlimited start and stop cycles - from stend-by pressure maintenance operation to hard cyclic operation;
  • Adjustment: smooth, simple, wide range from 0 to MAX;
  • Fire and explosion proof;
  • No electrical parts;
  • Compact and lightweight - mobile design.


  • Minimum inlet gas pressure restrictions depending on gas booster model;
  • Not designed for filling high pressure gas cylinders with natural gas from a low-pressure household gas line;
  • Not designed for boosting contaminated gases, gases with mechanical impurities;
  • Gas flow restrictions - not designed for high flows;
  • Maximum safe outlet pressure for Oxygen service: 345 bar (5,000 PSI);
  • Maximum safe outlet pressure for Air service: 700 bar (10,000 PSI). If necessary to boost gas to higher pressures, oxygen-free gases shall be applied.


  • Industrial air, Nitrogen, Argon, Helium;
  • Pure and high purity gases: Oxygen, Hydrogen, high purity Nitrogen, Helium, Argon, Krypton, Xenon,
  • Breathing gases: Oxygen, Nitrogen, Air, gas mixtures, Nitrox, Heliox, Trimix;
  • Searching gases: Hydrogen, Helium;
  • Hazardous, flammable, explosive gases;
  • Hydrocarbons except Acetylene: Natural gas, Synthesis gas, Propane, Butane, Methane, Ethylene, associated petroleum gas etc.

Didn't find the required gas in the list?

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