RESATO Gas Compression Solutions - EHL Group
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RESATO Gas Compression Solutions

Gas compression

In gas compression, the volume of the gas is reduced, so that more gas fits into a certain area. The gas can be stored in an accumulator under high pressure by compression. This gas can then be used, for example, to test whether an object is leak tight. Different types of boosters can compress gas. EHL and Resato have air-powered boosters and hydraulic boosters for gas compression. Our experts can advise you on the most suitable booster for your application.


The B-Series of air-driven gas boosters are suitable for several applications using nitrogen, helium, argon, breathing air, and more gases using special sealing technology. The high-pressure compressors are used for pressure testing with gases, industrial gas process feeds, gas charging of accumulators and gas bottles, and other applications. Their long lifetime makes them ideal for applications in the automotive, gas processing, and offshore and onshore industry. The gas boosters are available in a single-acting, double-acting, and dual-stage version. Our experts can consult you on the best suitable booster for your application.

Outlet pressure range

18 – 1,330 bar

(260 – 19,285 psi)


Developed for easy maintenance


Nitrogen, CO2, argon, flammable gases, breathing air, and more


Benefits & Features

▶ Long seal lifetime based on dedicated engineered polymer compounds that are based on low-friction PTFE resins

▶ Lifelong lubrication during assembly avoids lubricated air lines and reduce maintenance on the booster

▶ Air drive section of the gas booster contains only a small amount of moving parts reducing wear and noise

▶ Guaranteed lifelong operation due to the check valves from ceramic materials

▶ Improved reliability and cycling speed due to the lack of mechanical pilot valves and long internal pilot channels

▶ Reduced cost of ownership and maintenance downtime because the high pressure seal can be replaced without dismantling the air-drive section

▶ Standard provided with vent holes to prevent gas from the high pressure gas section escaping to the air drive section. This ensures a safe operation


Application Areas

▶ Accumulator, cylinder, and bottle filling with gas

▶ Gas pressure testing for hoses and industrial objects

▶ PRV gas testing and setting

▶ Compression application for i.e. hydrogen, nitrogen, helium

▶ Accumulator and airbag charging

▶ Plastic injection moulding

▶ High pressure supply for equipment calibration with gas

▶ And more



▶ ATEX version available

▶ Greaseless assembly (e.g. Xenon applications)