A reciprocating surroundings compressor is a positive displacement compressor that uses a crankshaft-driven piston and cylinder to Piston Air Compressor compress the atmosphere. … A two-stage compressor contains an additional step where in fact the surroundings is compressed by a second, smaller sized piston to a pressure of up to 175 PSI.

Like a small internal combustion engine, a typical piston compressor has a crankshaft, a connecting rod and piston, a cylinder and a valve head. … As the piston techniques down, a vacuum is established above it. This allows outside surroundings at atmospheric pressure to push open up the inlet valve and fill the area above the piston.