A complete line of air driven liquid pumps, gas boosters, air amplifiers and custom designed liquid and gas systems. In addition, we offer high pressure accessories and components that include in-line check valves, needle valves, pressure relief valves, pilot cutoff valves and unloading valves. For nearly 30 years, customers have relied on the unsurpassed quality and reliability of Hydraulics International, Inc. products to solve their hydraulic and pneumatic needs.
Air driven liquid pumps with intermittent output pressure capabilities of up to 80,000 PSI and volume displacements of up to 41.4 cubic inches per cycle. These pumps are compatible with all hydraulic fluids, plain water, distilled and deionized water, solvents, mild chemicals and most liquefied aerosol type gases.
Air driven air pressure amplifiers are a cost effective alternative to the purchase of a dedicated air compressor when existing plant air lines lack ample air pressure. These compact units take plant air in and provide amplified air pressure out of up to 4,500 PSI for use in boosting shop air to pneumatic tools, cylinders, air clamps, air presses, air brakes, valve actuators and other devices.
Air driven gas boosters with output pressures of up to 25,000 PSI and displacements per cycle of up to 26.4 cubic inches. Available in single acting, double acting, two stage and double air drive models. These gas boosters can maintain a preset pressure and hold it without consuming power, allow for no internal contamination and are easy to install in applications such as pressure testing, gas injection, life support gas transfer and charging, gas storage systems, gas bottle filling and many others.
Hydraulics International, Inc. continues to be a world class leader in the design and manufacture of custom built stationary and portable filtering systems, hydraulic and pneumatic test equipment and specialized liquid and gas pumping and boosting systems. Contact us today with your special requirements and we will be happy to find you a solution for your application.
In-line check valves with maximum pressures of up to 20,000 PSI in liquid and 15,000 PSI in gas. Port sizes from 1/4" NPT to 2" NPT.
Panel mountable 316 forged stainless steel needle valves in 1/4" and 3/8" basic body sizes with tube, flare or NPT ports. Maximum working pressures of 10,000 PSI.
High pressure, low flow pressure relief valves with 1/4" NPT or Super Pressure ports in pressure ranges up to 60,000 PSI for liquid or gas.
Similar to a pressure switch, pilot cutoff valves are useful for start and stop controls of pneumatically piloted devices such as pumps, valves and boosters.
Unloading valves open or close high pressure oil or plain water back to a tank or other line. These valves may also open or close high pressure gas to another line. Available in normally open, normally closed or pilot actuated styles.
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