API 680 : 1ED 87
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PACKAGED RECIPROCATING PLANT AND INSTRUMENT AIR COMPRESSORS FOR GENERAL REFINERY SERVICES
07-23-2013
01-12-2013
Section 1 - General
1.1 Scope
1.2 Alternative designs
1.3 Conflicting requirements
1.4 Definition of terms
1.5 Referenced publications
Section 2 - Basic design
2.1 General
2.2 Allowable speeds
2.3 Discharge temperature
2.4 Rod loading
2.5 Dynamics
2.6 Compressor cylinders
2.6.1 General
2.6.2 Cylinder connections
2.7 Valves
2.8 Pistons and piston rods
2.9 Crankshafts, bearings, and crossheads
2.10 Distance pieces
2.11 Stuffing boxes and packing
2.12 Compressor frame lubrication
2.13 Cylinder and packing lubrication
2.14 Materials
2.14.1 General
2.14.2 Castings
2.14.3 Forgings
2.14.4 Welding
2.14.5 Low temperature
2.14.6 Material inspection
2.15 Nameplates and rotation arrows
Section 3 - Accessories
3.1 Drivers
3.2 Couplings and guards
3.2.1 General
3.2.2 Guards for flexible-disk high-speed couplings
3.3 Reduction gears
3.4 Belt drives
3.5 Baseplates
3.6 Controls and instrumentation
3.6.1 General
3.6.2 Capacity control system
3.6.3 Control station
3.6.4 Instrumentation
3.6.5 Alarms and shutdowns
3.6.6 Annunciator
3.6.7 Electrical systems
3.7 Piping appurtenances
3.7.1 General
3.7.2 Frame lubricating oil piping requirements
3.7.3 Forced-feed lubrication tubing
3.7.4 Instrument piping
3.7.5 Coolant piping
3.8 Intercoolers and aftercoolers
3.9 Air intake filters
3.10 Pulsation controls
3.11 Air receivers
3.12 Special tools
Section 4 - Inspection, testing, and preparation for
shipment
4.1 General
4.2 Inspection
4.2.1 General
4.2.2 Material inspection
4.2.3 Mechanical inspection
4.3 Testing
4.3.1 General
4.3.2 Hydrostatic test
4.3.3 Mechanical running test
4.3.4 Optional tests
4.4 Preparation for shipment
Section 5 - Vendor's data
5.1 Proposals
5.2 Contract data
5.2.1 General
5.2.2 Coordination meeting
5.2.3 Drawings
5.2.4 Data
5.2.5 Progress reports
Appendix A - Typical data sheets
Appendix B - Cylinder cooling systems
Appendix C - Material specifications for major component
parts
Appendix D - Repairs to gray or nodular iron castings
Appendix E - Typical air and water piping schematics for
compressors
Appendix F - Sizing air receivers
Appendix G - Reciprocating plant and instrument air
compressor vendor drawing and data
requirements
Tables
1 Minimum piping schedule
2 Minimum tubing wall thickness
3 Minimum tubing wall thickness for instrument and
control air
4 Maximum peak-to-peak pressure levels
C-1 Material specifications for major component parts
F-1 Air receiver volume as a function of air compressor
capacity
Figures
1 Distance piece and packing arrangement
B-1 Cylinder cooling system
B-2 Jacket water coolant console schematic
E-1 Typical piping schematics for single stage
compressors
E-2 Typical piping schematics for two stage compressors
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