Air driven high pressure gas booster Hydraulics International
25,000 PSI (1724 BAR)

The model HIHPG3-20147 Package is a two-stage unit that
can boost 100 PSI Shop Air up to 4500 PSI and also be
powered by shop air. The advantage is no dependence on
nitrogen cylinders. Disadvantages are considerably slower
fill speeds (Even with a 10 H.P. air compressor), and the need
to Chemically Dry the air to -50°f dewpoint or better before
being boosted.

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