1 Scope
This specification specifies the design, manufacture, inspection and test requirements for single-axle centrifugal compressor and axial compressor and their drivers and auxiliary equipment in petrochemical industry.
This specification is applicable to engineering design and equipment procurement of centrifugal compressor and axial compressor in petrochemical industry.
This specification is not applicable to the compressor with fan, blower and gear, expander nor centrifugal compressor installed and used on ocean platform.
2 Normative References
The following reference documents are indispensable for the application of this specification. For dated reference, only dates editions apply. For undated references, the latest edition (including any amendments) applies.
GB 150 Steel Pressure Vessels
GB 3836.1 Electrical Apparatus for Explosive Gas Atmospheres-Part 1: General Requirements (eqv IEC 60079-0:1998)
GB 3836.2 Electrical Apparatus for Explosive Gas Atmospheres - Part 2: Flameproof Enclosure d (eqv IEC 60079-1:1990)
GB 3836.3 Electrical Apparatus for Explosive Gas Atmospheres - Part 3: Increased Safety e (eqv IEC 60079-7:1990)
GB 3836.14 Electrical Apparatus for Explosive Gas Atmospheres - Part 14: Classification of Hazardous Areas (idt IEC 60079-10:1995)
GB/T 9115 Steel Pipe Welding Neck Flanges
HG/T 20615 Steel Pipe Flanges (Class designated)
SH 3406 Steel Pipe Flanges for Petrochemical Industry
API Std 611 General Purpose Steam Turbines for Petroleum, Chemical and Gas Industry Services)
API Std 612 Special Purpose Steam Turbines for Petroleum, Chemical and Gas Industry Services
API Std 613 Special Purpose Gear Units for Petroleum, Chemical and Gas Industry Services)
API Std 614-2008 Petroleum, Petrochemical and Natural Gas Industries - Lubrication, Shaft-Sealing and Oil - Control Systems and Auxiliaries (ISO 1 0438:2007, Identical)
API Std 617-2002 Axial and Centrifugal Compressors and Expander-compressors for Petroleum, Chemical and Gas Industry Services
API Std 670 Vibration, Axial-position, and Bearing - Temperature Monitoring Systems
API Std 671 Special Purpose Couplings for Petroleum. Chemical and Gas Industry Services
ASME VIII Boiler & Pressure Vessel Code, Section VIII, Rules for Construction of Pressure Vessels
ASME B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24
ASME B16.47 Large Diameter Steel Flanges: NPS 26 Through NPS 60
ASME B31.3 Process Piping
NACE MR 0175/ISO15165 Sulfide Stress Cracking Resistant Metallic Material for Oil Field Equipment
3 Terms and Definitions
For the purpose of this specification, the terms and definitions specified in API Std 617-2002, 1.5 apply.
4 Alternative Design
The Vender may provide alternative design favorable to the parties (the Vendee/the Vender) in the aspects of technical angles. The alternative design provided by the Vender shall cover detailed description, achievement and standards and specifications. The Vendee will assess the alternative design and make a decision on whether to use it.
5 Basic Design
5.1 General
Foreword I
1 Scope 1
2 Normative References 1
3 Terms and Definitions 2
4 Alternative Design 2
5 Basic Design 2
5.1 General 2
5.2 Material 3
5.3 Casing 4
5.4 Casing Connections 5
5.5 External Forces and Moments 7
5.6 Inlet Guide Vane and Interstage Diaphragm 7
5.7 Rotating Element 7
5.8 Dynamics 8
5.9 Bearing and Bearing Housing 8
5.10 Shaft End Seal 9
5.11 Lubrication and Sealing Systems 10
5.12 Nameplate and Rotation Arrows 10
5.13 Noise 10
6 Accessories 11
6.1 Driver 11
6.2 Gear Transmission 11
6.3 Couplings and Guards 11
6.4 Base Plate 12
6.5 Instrumentation and Controls 13
6.6 Piping System 15
6.7 Special Tools 16
7 Inspection and Testing 16
7.1 General 16
7.2 Inspection 17
7.3 Testing 18
8 Painting, Marking, Package and Shipment 19
8.1 Painting 19
8.2 Marking 19
8.3 Packaging and Shipment 19
9 Guarantee 20
9.1 Mechanical Guarantee 20
9.2 Performance Guarantee 20
10 Vendor's Data 20
10.1 General 20
10.2 Quotation Data 20
Annex A (Informative) Referenced Scope of Supply 21
Annex B (Informative) Data Sheets for Centrifugal and Axial Compressor 23
Annex C (Informative) Comparison Table of Materials for Compressor Main Component Parts 37
Annex D (Informative) Comparison Table of Piping Materials 44
Annex E (Informative) Vendor’s Drawings and Documentation 45
Explanation of Wording in this Specification 48
