High purity liquids and gases supply

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.

HII high pressure liquid pumps with air drive are widely used for hydraulic tests, high pressure fluids injection, actuation of hydraulic machines and tools.

HII liquid pumps basic line is represented by 45 basic models with a quantity of modifications.

HII high pressure pumps cover a wide range of operating pressures and can solve multitude engineering problems.

Wide production and application experience together with high-tech facilities gives HII advantage in offering high quality engineering solutions for pumping explosive, flammable, chemically active, aggressive liquids at high and ultra-high pressures.

High pressure air driven liquid pumps are the best for maintaining constant pressure at low flow rates, up to zero values.

• Drive type: air drive (all models) / hand operated (3L series);
• Pressure range: 10 - 4,000 bar (150-60,000 PSI);
• Capacity range: 0 - 10 l/min (100 l/min max);
• Maximum flow for each model differs depending on drive type and pressure range;
• 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, medium/high accuracy, over a wide range of operating pressures;
• Flow rate adjustment: smooth, continuous, over a wide range of flows, low/medium accuracy.

• Do not contaminate the pumped liquid - ideal for pumping high purity liquids;
• Ideal for pressure control tasks - in some modes more efficient than analogues with electric drive in tens, or even hundreds of times;
• Do not heat the pumped liquid in any operating mode - do not require a heat exchanger;
• Do not require bypass valve, bypass line for pressure adjustment;
• Do not require frequency converter. "Automated" operation without automation devices;
• Unlimited start/stop frequency - designed for operation under severe cyclic loads;
• Resistant to hydraulic shock as a result of hydraulic fracturing of the product;
• Very wide, very smooth, very simple and quick adjustment of the outlet pressure and flow in a wide range from zero to maximum values;
• No electric supply required;
• Fire and explosion proof;
• Resistant to long-term operation in dry mode, high cavitation quality, self-priming;
• Compact and lightweight - mobile solution.

• Not designed for pumping contaminated liquids, liquids with mechanical impurities;
• Flow restrictions - not designed for high flows;
• Significantly more expensive than similar electrically driven solutions for hydraulic cutting, washing, blasting, and also pressurizing of the high volume vessels ( >100m³), pre-filling high volume vessels and systems ( >10m³) - where a constant high performance is required;
• Do not pump gas phase;
• Not designed for high-accuracy dosing.

• Clean water, industrial water, water with oil products, water with corrosion inhibitors;
• Distilled water, deionized water;
• Industrial oil, hydraulic oil, aviation oil, mineral oil, synthetic oil;
• Brake fluid, Skydrol;
• Hydrocarbons, solvents;
• Antifreezes, ethylene glycol, non-freezing liquids.
• High purity Liquids.
• Explosive, flammable liquids.
• Chemically active, corrosive liquids.

High pressure hydraulic packages based on air driven liquid pumps allow to supply liquids at high pressures and hold required pressure for a long period without bypass lines, frequency converters, and complicated automation.

HII hydraulic packages are ideal for hydraulic testing, hydraulic tools and machines control.

Basic line consisting of 6 standard layouts is ideal to solve relatively simple tasks within a limited budget.

Customized HII solutions including multi-pump packages, pressure test rigs, automated test systems, significantly widen a range of tasks related to liquids supply and injection at high and ultra-high pressures.

• Drive type: pneumatic / electric (with built-in air compressor) / hand operated (based pumps 3L series);
• Pressure range: 10 - 4,000 bar (150-60,000 PSI);
• Capacity range (basic line): 0 - 10 l/min (100 l/min max);
• Maximum capacity value (customized rigs): please consult our specialists;
• Air drive requirements: industrial oil-free air or nitrogen 5-10 bar (70-150 PSI);
• Special versions of pneumatic drives: associated petroleum gas driven, natural gas driven;
• Outlet pressure adjustment: smooth, continious, medium/high accuracy, over a wide range of operating pressures;
• Flow rate adjustment: smooth, continuous, over a wide range of flows, low/medium accuracy.

• Do not contaminate the pumped liquid - ideal for pumping high purity liquids;
• Ideal for pressure control tasks - in some modes more efficient than analogues with electric drive in tens, or even hundreds of times;
• Do not heat the pumped liquid in any operating mode - do not require a heat exchanger;
• Do not require bypass valve, bypass line for pressure adjustment;
• Do not require frequency converter. "Automated" operation without automation devices;
• Unlimited start/stop frequency - designed for operation under severe cyclic loads;
• Resistant to hydraulic shock as a result of hydraulic fracturing of the product;
• Very wide, very smooth, very simple and quick adjustment of the outlet pressure and flow in a wide range from zero to maximum values;
• No electric supply required;
• Fire and explosion proof;
• Resistant to long-term operation in dry mode, high cavitation quality, self-priming;
• Compact and lightweight - mobile solution.

• Not designed for pumping contaminated liquids, liquids with mechanical impurities;
• Flow restrictions - please consult our specialists;
• Significantly more expensive than similar electrically driven solutions for hydraulic cutting, washing, blasting, and also pressurizing of the high volume vessels ( >100m³), pre-filling high volume vessels and systems ( >10m³) - where a constant high performance is required;
• Do not pump gas phase;
• Not designed for high-accuracy dosing.

• Clean water, industrial water, water with oil products, water with corrosion inhibitors;
• Distilled water, deionized water;
• Industrial oil, hydraulic oil, aviation oil, mineral oil, synthetic oil;
• Brake fluid, Skydrol;
• Hydrocarbons, solvents;
• Antifreezes, ethylene glycol, non-freezing liquids.
• High purity Liquids.
• Explosive, flammable liquids.
• Chemically active, corrosive liquids.

Multiphase booster pumps were developed by Hydraulics International Inc. specially for handling different liquified gases such as freons, halogens, CO₂, LNG etc.

Multiphase boosters HII are designed for handling fluid in any phase from 100% gas phase to 100% liquid phase.

HII multiphase pumps basic line is represented with 5 models for solving standard tasks of liquified gases handling. This basic line can be supplemented with liquid pumps line and gas boosters line to handle any special engineering task.

• Drive type: air driven;
• Discharge pressure range: 5 - 86 bar (70 - 1250 PSI) basic line, 2000 bar max. (30,000 PSI);
• Hydraulic part types: single-acting / double-acting;
• Number of stages: single stage, two stage;
• Inlet fluid phase: from 100% gas phase to 100% liquid phase
• Outlet fluid phase: from 100% gas phase to 100% liquid phase;
• Wetted parts lubrication: NO lubrication, no fluid contamination;
• Air drive lubrication: grease lubricant;
• Minimum gas evacuation level (model 5LG-TS-4): to 27” HG
• Minimum inlel gas pressure (other models): approx 3 barg;
• Maximum inlet fluid pressure (liquid or gas): equal to max. discharge pressure.

• Сlean design of the all wetted parts - no lubricats, no fluid contamination, ideal for handling high-purity fluids;
• Ideal for charging, maintaining constant pressure, recharging, gas evacuation;
• Unlimited start and stop cycles - from stend-by pressure maintenance operation to hard cyclic operation;
• Smooth and simple pressure adjustment in a wide pressure ranges from 0 to MAX;
• Fire and explosion proof;
• No electrical parts;
• Compact and lightweight - mobile design;
• Designed for handling fluid in any phase from 100% gas phase to 100% liquid phase;
• Positive suction / cavitational restrictions do not exist by definition;
• Possibility of gas liquefaction by pressure;
• Possibility of gas evacuation to moderate vacuum;
• Inert to dust, moisture, weather conditions.

• Not designed for handling fluids, contaminated with mechanical impurities;
• Flow restrictions - not designed for high flows.

Various liquefied gases:

• Freons;
• Fire extinguishing refrigerants;
• Liquefied fire extinguishing agents;
• Foaming agents, blowing agents, pore agents;
• Propellants, foamers; < /li>
• Sulfur hexafluoride SF6;
• Methane R50;
• Propane R290;
• Butane R600;
• Isobutane R600a;
• Nitrous oxide N2O;
• Ammonia R717;
• Liquefied natural gas LNG.

Main types of pumped refrigerants:

• CFC`s: R-11, R-12, R-13, R-111, R-112, R-113, R-113а, R-114, R-115;
• Bromofluorocarbons: R-12B1, R-12B2, R-113B2, R-13B2, R-13B1, R-21B1, R-22B1, R-114B2;
• HCFC`s: R-21, R-22, R-31, R-121, R-122, R-123, R-124, R-131, R-132, R-133, R-141, R-142в, R-151, R-221, R-222, R-223, R-224, R-225, R-231, R-232, R-233;
• HFC`s: R-23, R-32, R-41, R-125, R-134, R-143, R-152, R-161,R-227, R-236, R-245, R-254;
• CF`s: R-14, R-116, R-218, R-C318.