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5:1 Boost Ratio
Overview
This gas booster compressor uses shop air to boost the pressure of an inert gas stream. Shop air is fed to the 4 inch diameter drive cylinder and the gas stream is connected to the 2 inch diameter boost cylinder. The drive air piston reciprocates automatically and drives the boost piston. The maximum discharge pressure is the sum of the sum of the gas supply pressure plus 4 times the drive air pressure. At the maximum boost pressure the booster stalls and there is no flow.
Construction
The major components of the gas booster are anodized aluminum. The hardware components, check valves and piston rod are stainless steel. Between the air cylinder and the gas cylinder there is a distance piece with a vent port which prevents cross contamination between the shop air and the gas. The boost cylinder has a cooling jacket which uses exhaust air from the drive cylinder as the cooling medium. The booster is non-lubricated, and uses filled Teflon piston seals and rod seals. It requires no electricity, cooling water, or air-line lubricator and is explosion proof.
Operation
The discharge flowrate and pressure can be controlled by throttling the drive air flowrate and/or regulating the drive air pressure. When there is no demand for high pressure gas, the booster stalls when it reaches the maximum discharge pressure. When there is a need for high pressure gas, the pressure in the discharge line drops which causes the booster to restart automatically. No energy is consumed when the booster is stalled.
