DISTRIBUTOR

HII Distributor Letter
Hydraulics International Inc. (HII) is a globally recognized leader in the design, manufacture, and distribution of hydraulic systems and components. Established with a strong emphasis on engineering excellence, HII specializes in providing innovative solutions for a wide range of industries, including aerospace, defense, automotive, and industrial applications.
 

HII products are recognized for their compliance with stringent high-pressure engineering standards across various industries. We offer a diverse range of solutions tailored to meet the specific requirements of our partners and customers. 

The collaboration between Hydraulics International Inc. (HII), a well-known leadership in hydraulic systems, and us –  PPSC exemplifies a strategic alliance in the industrial sector. HII, renowned for its expertise in manufacturing hydraulic equipment, joins forces with PPSC, leveraging their extensive distribution network and logistical proficiency.

PRODUCT LINE

HII Vietnam
LIQUID PUMPS
HII Vietnam
GAS BOOSTER
HII Vietnam
COMPACT GAS BOOSTERS
HII Vietnam
AIR PRESSURE AMPLIFIERS
HII Vietnam
SYSTEM PACKAGES
HII Vietnam
HIGH PRESSURE COMPONENTS

HOW IT WORKS

  • The drive piston(s) is directly connected to the pump plunger or piston, with a high-pressure seal separating them.

  • Upon application of shop air (or gas), the assembly reciprocates automatically, generating a positive displacement pumping action at the liquid end.

  • This pumping action stalls and holds pressure when the downstream system is closed, ensuring system integrity.

  • The final pressure is determined by multiplying the drive air (or gas) pressure by the area ratio specific to each model.

  • The drive air or gas pressure can vary from 3 PSI to 150 PSI, accommodating different operational requirements and applications.

WHY HII

  • Air Drive line lubrication not required.
  • Self-priming for immediate operation.
  • Compatible with all hydraulic fluids, plain water, distilled & deionized water, solvents, mild chemicals and most liquefied aerosol type gases.
  • Stainless steel hydraulic body, check valves, and trim are standard, except -4 and -7 models.
  • Alternative gases that can drive the pump include nitrogen, vapor from liquefied gas, pipeline natural gas and sour natural gas with proper modifications.
  • Offer a wide range of standard modifications.
  • Hydraulic pressure is held without energy consumption.
  • Explosion-proof... requires no electrical power or connections.
  • Intrinsically safe.
  • Compact, lightweight and weatherproof.
  • Easy to adapt automatic controls.
  • Contamination tolerant.
  • Outlet stall pressure pre-determined by the air drive regulator.
  • High-pressure capability - up to 80,000 psi (5516 Bar).
  • Ideal for stop-start applications under full load.
  • Easy to install and operate.
  • ISO 9001: 2008 & AS9100-2009 Certified Quality System
  • Gas Purity: Most gases like Ar, CO2, He, H2, Ne, N2, N2O, O2, and breathing air must be clean and dry. Devices transferring or increasing gas pressure must be lubricant-free. HII’s air-driven gas boosters meet these needs using PTFE seals and cold drive air exhaust, ensuring no hydrocarbon lubrication is needed and extending seal life.
  • High Pressure Outlet: Mechanically driven gas compressors typically handle up to 6,000 PSI and require costly purifiers for higher pressures due to oil-lubricated pistons. Air-driven gas boosters avoid these issues and are suitable for pressures up to 25,000 PSI. HII's air-driven models are hydrocarbon-free.

  • Boost Directly from High Pressure Gas Cylinders: Mechanical compressors can't inhale from high-pressure gas cylinders without reducing inlet pressure, which wastes energy. Air-driven gas boosters can, enhancing efficiency and simplicity when using portable DOT cylinders.

  • Boosting shop air to pneumatic tools, cylinders and devices
  • Boosting shop air to drive high-pressure pneumatic diaphragm transfer pumps
  • Boosting shop air to start oilfield and marine diesel engines
  • Maximizing efficiency at pneumatic workstations or machinery
  • Tire pressure top off on large mining vehicles
  • Replace bottled nitrogen for gas testing, lab or production, up to 1250 psi
HII Vietnam

High pressure testing applications including but not limited to BOP Stacks, choke and kill lines, Christmas trees, valves, pipelines, hoses, cylinders, pressure vessels and components, valve actuation and any other type of equipment requiring high-pressure static testing. The test units may be provided in working pressure ranges up to 50,000 PSI and are safely tested with its compact easy to operate and friendly control panel design. Units are self-contained and operated by low pressure shop air or optional from high pressure Nitrogen cylinders.

HII Vietnam

Meet any requirements for hydrogen fills such as recharging the H2 fuel cell systems more quickly and efficiently; ideal for electrolyzer generators, as well as low and high ....

HII Vietnam

Hydraulics International, Inc. offers a full range of high pressure O2-gas air booster systems for filling or topping-off SCUBA and Re-breather bottles. HII Gas boosters deplete the pressure of O2 source cylinders down to 200-300 psi before returning them back to the supplier.

HII Vietnam

6,000-PSI and 10,000-PSI portable and stationary breathing Air and 4,500-PSI Oxygen Booster packages for municipal fire departments, industrial plant fire and safety departments....

HII Vietnam

O2 charging of self-contained, self-rescuer (SCSR) devices, O2 charging of 47-liter bottles, pressure testing, gas transfer and recovery, and the charging of nitrogen accumulator....

HII Vietnam

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