Gas tanks and high pressure systems charging

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;

HII Gas Boosters selection chart

• 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?

Send us request and our experts will select gas booter modification to the required gas.

HII gas booster packages with pneumatic and electric drive allow to boost industrial and pure gases to high and ultra high pressures.

Pneumatically driven models are ideal for boosting flammable and explosive gases except acetylene.

Standard packages line consisting of 7 basic models is ideal to solve relatively simple tasks within a limited budget.

Customized HII solutions designed to customer's specifications, including multi-booster packages, significantly widen a range of tasks related to boosting gases at high pressures.

• Drive type:pneumatic / electric (with built-in air compressor) / hand operated (based boosters 3G series);
• Outlet pressure ranges from 10 to 2000 bar (150 - 30,000 PSI);
• Gas booster`s gas section type: oil-free - does not contaminate supplied gas;
• Minimum inlet pressure is determined by gas booster model(s), but not less than 3 bar (40 PSI);
• Maximum inlet pressure is determined by gas booster model(s), normally equal to the maximum outlet pressure;
• Maximum gas flow depends on the number and types of gas boosters, as well as the operating mode;
• Pneumatic drive requirements: industrial oil-free air, nitrogen 5-10 bar (70-150 PSI);
• Special versions of pneumatic drives: associated petroleum gas driven, natural gas driven;
• Outlet pressure adjustment: smooth, continious, average to high accuracy, over a wide range of operating pressures;
• Gas flow rate adjustment: smooth, continuous, over a wide range of flows, low/medium accuracy.

• Clean design of the gas booster`s gas section(s) as well as valves and fittings - no grease, no oil, no contamination;
• Special cleaning of all gas-contacting parts for treating high-purity gases, oxygen, hydrogen etc.;
• Ideal for gas charging, pressure hold, recharging;
• Unlimited booster start/stop frequency - designed for operation under severe cyclic loads;
• Pressure and gas flow adjustment: smooth, simple, continious, in a wide range from 0 to MAX;
• Fire and explosion proof;
• Manual or automated control: very simple, does not require high qualification of the operator;
• Compact and lightweight.

• Power packages are based on gas boosters: minimum inlet gas pressure restrictions depending on gas booster model(s);
• 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: 365 bar;
• Maximum safe outlet pressure for Air service: 700 bar. 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?

Send us request and our experts will check the compatibility of the equipment with the required gas.

Air pressure amplifiers and packages HII are widely used worldwide for assisting air powered tools and machines, charging tires, pneumatic tests when powered from an air source or low-pressure air or nitrogen.

Compressed gas – air or nitrogen- is used to power the pneumatic drive of the amplifiers.

The line of pneumatic amplifiers is presented by 5 basic models as the standard solution of variety of engineering tasks of air or nitrogen pressure amplification from low pressure pneumatic line, atmospheric air compressor or the nitrogen generator.

Standard packages are presented with 4 standard configurations, including models on high pressure air receivers.

Air pressure amplifiers HII are simple, high-quality, cost-effective solution of supplying industrial air or nitrogen.

• Drive type: pneumatic from gas source;
• Outlet pressure range: 5 - 86 bar (70 - 1250 PSI);
• Gas section type: oil-free - low air contamination;
• Number of gas sections: single-piston / double-piston;
• Number of compression stages: single stage / two stage;
• Air drive lubrication: grease;
• Minimum inlet pressure is determined by air amplifier model, but not less than 2 barg (30 PSI);
• Maximum inlet pressure is determined by air amplifier model, normally equal to the maximum outlet pressure;
• Maximum flow is determined by air amplifier model as well as the operating mode;
• Pneumatic drive requirements: industrial air, nitrogen 2-10 bar (30-150 PSI);
• Outlet pressure adjustment: smooth, continious, average to high accuracy, over a wide range of operating pressures;
• Gas flow rate adjustment: smooth, continuous, over a wide range of flows, low/medium accuracy.

• Ideal for Air/Nitrogen charging, Air/Nitrogen pressure hold, recharging, pneumatic testing;
• Unlimited start/stop frequency - designed for operation under severe cyclic loads;
• Pressure and flow adjustment: smooth, simple, continious, in a wide range from 0 to MAX;
• Fire and explosion proof;
• No electric supply required;
• Manual or automated control: very simple, does not require high qualification of the operator;
• Compact and lightweight.

• Minimum inlet air pressure restrictions depending on amplifier model;
• Not designed for boosting pure and high-purity gases - allow contamination of pumped gas with the traces of drive air/nitrogen:
• Not designed for boosting hazardous gases, breathing gases, oxygen, hydrogen;
• Not designed for boosting contaminated gases, gases with mechanical impurities;
• Gas flow restrictions - not designed for high air flows;

• Industrial air
• Industrial nitrogen