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This Specification covers the requirements for construction and acceptance for installation work of axial flow compressor‐flue gas expander energy recovery train in fluidized catalytic cracking plant．
The Specification is applicable to the construction and acceptance of axial flow compressor‐flue gas expander energy recovery train(hereinafter referred to as the machine train)consisting of AV type axial flow compressor,YL type flue gas expander,gearbox and motor/generator．