Your compressor deserves better than replacement

Revamping, modernization and refurbishment of reciprocating and centrifugal compressors. Extend machine life, meet new operating conditions and recover lost performance — without buying new.

Get a revamping assessment

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When revamping is the right answer

Performance has degraded

Operating conditions changed

Reliability issues are recurring

Plant throughput is limited

Technology is outdated

Catastrophic damage occurred

What CST can do for your machine

3D transparent rendering of a camshaft with connected pistons and mechanical components.

Component modernization & upgrade

Cylinder liners, piston rods with tungsten carbide coating, improved piston rings and rider bands, valve pocket optimization, stepless capacity control systems, new lubrication systems and proactive diagnostics.

Tungsten carbide rods

Stepless capacity control

Dry gas packing

PAD diagnostics

Rotor, seal & performance re-engineering

Rotor and diaphragm redesign for efficiency improvement, mass flow uprating, seal modernization from oil to dry gas, anti-surge system optimization, gear upgrade and coupling system uprating.

3D impeller upgrade

Seal modernization

Anti-surge optimization

Re-bundling

Reconditioning & reverse engineering

When OEM parts are no longer available, CST performs reverse engineering to supply replacement components and bring the machine back to original or improved specifications.

Reverse engineering

Parts supply

OEM-independent

PAD diagnostics

Debottlenecking & new operating conditions

From feasibility study to field installation: CST manages the full engineering and project scope to expand plant capacity or adapt the compression train to changed process conditions.

Feasibility study

Project management

Field commissioning

Capacity increase

How a revamping project works

Feasibility assessment

We review current performance data, operating conditions and failure history to define what is achievable and at what cost.

Engineering & design

CFD, FEA and rotor-dynamics are used to validate the redesigned components before any physical work begins.

Parts & procurement

CST supplies upgraded or reverse-engineered components, independent of the original manufacturer.

Installation & commissioning

Field engineering support through installation, start-up and post-modification verification.

SOME EXAMPLES OF CST REVAMPING, MODERNIZATION,UPGRADE & REFURBISHMENT ACTIVITY

High Speed Electric Motor Vibrations

Electric Motor successfully commissioned with normal vibration level

Old centrifugal compressor

Shaft vibration and thrust position now monitored

Short piston rings life

Compressor reached 8000 hours of correct operation

"After two catastrophic failures of our integrally geared centrifugal compressor, CST's root cause analysis allowed us to put it back online successfully — the solution was changing the bearings, not replacing the machine."

Maintenance Engineer, steel mill IGCC plant

PARTNERS

Is replacement really necessary?

Ask our engineers. A free feasibility assessment often reveals a faster, cheaper path forward.