Page 18 - Subyek Teknik Mesin - Forsthoffers Best Practice Handbook for Rotating Machinery by William E Forsthoffer

List of Best Practices

Chapter 1 Project Best Practices B.P. 2.20: Pump external force guidelines for optimum
reliability
B.P. 1.1: Early input of lessons learned B.P. 2.21: Pre-commissioning e EROE operation and
B.P. 1.2: Establish PMT trust and support corrective action guidelines
B.P. 1.3: Screen preferred vendors list B.P. 2.22: Pump change over guidelines for maximum MTBFs
B.P. 1.4: Select for optimum reliability B.P. 2.23: Impeller diameter increases and drive system
B.P. 1.5: Specification formats for minimum review time limitations
B.P. 1.6: ITB preparation guidelines B.P. 2.24: Use variable frequency drives (VFDs) for life cycle
B.P. 1.7: Machinery specialists and process awareness cost effectiveness
B.P. 1.8: Pre-bid meeting guidelines B.P. 2.25: Operations pump curve understanding and
availability in the control room
B.P. 1.9: Effective EP&C bid tabulations
B.P. 1.10: Pre-award meeting guidelines
B.P. 1.11: Coordination meeting guidelines
B.P. 1.12: Design audits e if and when Chapter 3 Compressor Best Practices
B.P. 1.13: Timely vendor and EP&C document review
B.P. 1.14: Ensuring an effective FAT (factory acceptance test)
B.P. 3.1: Use lessons learned for optimum compressor
selection
B.P. 3.2: Accurately define all process and upset conditions on
Chapter 2 Pump Best Practices the data sheet
B.P. 3.3: Pre-select compressor type and component
B.P. 2.1: Use lessons learned for optimum pump selection requirements
B.P. 2.2: Pre-selecting pumps B.P. 3.4: Non-lubricating reciprocating compressor guidelines
B.P. 2.3: Accurately define all liquid and hydraulic for optimum reliability
conditions B.P. 3.5: Limit reciprocating compressor field pulsations to
B.P. 2.4: State pump casing design requirements on data +/- 2%
sheet B.P. 3.6: Only use low speed reciprocating compressors
B.P. 2.5: Double suction pump optimum reliability (< 400 rpm) for plant operation
guidelines B.P. 3.7: Do not use lubricated screw compressors for sour gas
B.P. 2.6: Inducer pump optimum control guidelines applications
B.P. 2.7: Operate in the EROE (equipment reliability B.P. 3.8: Select centrifugal compressor case design to
operating envelope) eliminate process pipe removal
B.P. 2.8: EROE monitoring and targets B.P. 3.9: Screen for centrifugal compressor impeller design
B.P. 2.9: Centrifugal pump head rise guidelines during the pre-bid meeting
B.P. 2.10: Install discharge orifices for low head rise pumps B.P. 3.10: Closed type centrifugal compressor head limits
B.P. 2.11: Define NPSH margins for maximum flow B.P. 3.11: Centrifugal compressor head rise limits
B.P. 2.12: Suction specific speed and low NPSH required B.P. 3.12: Individual impellers (blades) should operate at their
pumps best efficiency point (BEP)
B.P. 2.13: DN number guidelines for bearing selection and B.P. 3.13: Gas density changes > +/- 20% affect centrifugal
lubrication compressor performance curve
B.P. 2.14: Mini oil consoles for high DN number bearings B.P. 3.14: Use performance calculations and phase angle
B.P. 2.15: Pump suction strainer guidelines change to confirm fouling
B.P. 2.16: Minimum flow bypass guidelines B.P. 3.15: Minimize the use of ‘low solidity diffusers’ (LSDs)
B.P. 2.17: Alarm indication for manual minimum flow B.P. 3.16: Integral gear compressors should be used only for
bypass systems spared applications
B.P. 2.18: When not to use internal type (Yarway or equal) B.P. 3.17: Always trend intercooler temperature rise for
minimum flow valves integral geared compressors
B.P. 2.19: Use pipe differential temperature to monitor B.P. 3.18: Shaft stiffness ratios predict centrifugal compressor
parallel pumps stability in the field

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