How Does an Air Amplifier Work?
Air amplifiers or air boosters are ideal for increasing or boosting existing plant air pressures. Each pressure amplifier comprises a spool valve that acts as a 4-way directional control valve. Plant air is supplied to this spool valve, which automatically cycles back and forth. The plant air fed into the spool valve is alternately directed, as the spool cycles to the main air drive piston in the air drive cylinder. This causes the piston to cycle back and forth in the pressure multiplier.
The air intensifier also consists of a high pressure section where the air to be pressurized is supplied. The air flows into the booster’s pressure chamber, through the inlet check valves, on the suction stroke. It is then compressed out of the chamber on the discharge stroke through the outlet check valve. The reciprocating movement of the air drive section, connected directly to the high pressure section, creates a positive displacement of air through the inlet and outlet check valves.
Single and double acting high pressure booster models are available. The single acting compressed air boosters displace air once per full cycle. The double acting high pressure air booster will displace air at every stroke, or twice per cycle, providing higher and more constant flows.
These pneumatic pressure intensifiers can be installed in any position. All connections to the pressure amplifier must be equal to or greater than the inlet and outlet connection ports to prevent starving the booster.
PLEASE NOTE: A dry air spool option is available for very dry air applications or when driving with nitrogen instead of compressed air.
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