Two identical compressors at the same facility can have dramatically different vibration levels. The explanation is almost always in the piping geometry, foundation conditions, or grouting quality — not the equipment.
Mat, piling, or drilled pier — foundation selection for reciprocating compressors depends on soil conditions, horsepower, and dynamic load characteristics. The critical requirement for all types is avoiding resonance.
Lightweight skid construction was the root cause of high-speed compressor vibration problems in the 1980s. The heavier designs and concrete fill practices Tech Transfer helped pioneer became industry standard.
Compressor valves cycle at running speed — up to 1,200 times per minute. High valve wear increases pulsation levels even in systems that were originally compliant. Valve condition and pulsation are directly linked.
A reciprocating compressor moves gas in discrete pulses, not continuously. Each pulse creates a pressure wave that propagates through the piping and reflects at geometric discontinuities, creating standing wave patterns.