API 672 : 2004

PACKAGED, INTEGRALLY GEARED CENTRIFUGAL AIR COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES

American Petroleum Institute

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0 INTRODUCTION
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITION OF TERMS
4 GENERAL
  4.1 Unit Responsibility
  4.2 Nomenclature
5 REQUIREMENTS
  5.1 Units of Measurement
  5.2 Statutory Requirements
  5.3 Alternative Designs
  5.4 Conflicting Requirements
6 BASIC DESIGN
  6.1 General
  6.2 Pressure Casings
  6.3 Casing Connections
  6.4 External Forces and Moments
  6.5 Rotating Elements
  6.6 Seals and Sealing Systems
  6.7 Dynamics
  6.8 Bearings and Bearings Housings
  6.9 Lubrication
  6.10 Materials
  6.11 Nameplates and Rotation Arrows
  6.12 Additional Requirements for Special Duty Packages
7 ACCESSORIES
  7.1 Drivers
  7.2 Couplings and Guards
  7.3 Baseplate/Support Structure
  7.4 Controls and Instrumentation
  7.5 Piping
  7.6 Intercoolers and Aftercoolers
  7.7 Inlet Air Filter/Silencer
  7.8 Discharge Blowoff Silence
  7.9 Special Tools
  7.10 Additional Requirements for "Special Duty" packages
8 INSPECTION, TESTING AND PREPARATION FOR SHIPMENT
  8.1 General
  8.2 Inspection
  8.3 Testing
  8.4 Preparation for Shipment
  8.5 Additional Inspection, Testing & Preparation for Shipment
       Requirements for "Special Duty" Packages
9 VENDOR DATA
  9.1 General
  9.2 Proposals
  9.3 Contract Data
  9.4 Additional Vendor Data Requirements for "Special Duty"
       Packages
ANNEX A DATA SHEETS
ANNEX B REFERENCED DOCUMENTS
ANNEX C (INFORMATION ON ROTORDYNAMIC ANALYSIS)
ANNEX D VENDOR DRAWINGS AND DATA REQUIREMENTS
ANNEX E LUBRICATION SYSTEM SCHEMATIC
ANNEX F REQUIREMENTS FOR DETERMINING RESIDUAL UNBALANCE
ANNEX G INSPECTOR'S CHECKLIST
ANNEX H GUIDE TO NOMENCLATURE

Abstract

Specifies minimum requirements for constant speed, packaged, general purpose integrally geared centrifugal air compressors including their accessories. Does not apply to machines which develop a pressure rise of less than 0.35 BAR (5.0 psi) above atmospheric pressure, classed as fans or blowers.