Compressors

Centrifugal
Screw / Rotary
Reciprocating
Axial

Category Description Image

Category Description

A compressor is a piece of machinery that increases the pressure of the gas ( or air), by reducing its volume. Compressors operate similarly to pumps, boost pressure and help the gas to travel through a piping system. This, in turn, allows transmitting a high volume of gas through a small size piping system
 
Compressors could be of different types and for various purposes. Generally, compressors fall into to main categories: 1) Positive displacement and 2) Dynamic. Those are further subdivided into various types too. In the oil and gas industry, reciprocating and centrifugal ( dynamic) compressors are mainly used. 

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Supply & Demand Dynamics

Supply and manufacturing of compressors are primarily concentrated in Italy, Germany. and USA. Lead times vary, depending on size, material selection and intended application. Generally, compressors exhibit very long lead times,  ranging from 10 to 24 months, with 14-18 months being the average. 

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Total Cost of Ownership

  • FAT / Factory Acceptance Test - FAT could very critical element when procuring compressors, in particular when existing units are modified ( vs. purchase of a brand new machine). In many occasions, problems and long delays during commissioning could be avoided if FAT is done. FAT is a costly option may cost on average $1m to $4mm or around 15-25% of the actual equipment purchase price.
  • Liability regime - Very often suppliers of compressors are very particular on warranties and liabilities and always try to limit it as much as they can, even if it comes at cost of losing a business opportunity. Very often, when a liability regime is favourable to manufacturers, those manufactures always try to avoid the FAT test, as a piece of machinery is technically not delivered yet when contractual liability regime starts to apply. 
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