GB/T 25359-2023Petroleum and natural gas industries - Packaged reciprocating gas compressors (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

This document replaces GB/T 25359-2010 "Integrated Skid-Mounted Reciprocating Compressors for the Oil and Gas Industry", and GB/T 25359- Compared with 2010, except for structural adjustment and editorial changes, the main technical changes are as follows:

---Changed the scope, deleted "compressed hydrocarbons" and added "oil-lubricated cylinders" (see Chapter 1, Chapter 1 of the 2010 edition chapter);

--- Changed some terms and definitions (see 3.1, 3.2, 3.4, 3.5 and 3.12, 3.1, 3.2, 3.4, 3.5 and 3.12 of the 2010 edition);

--- Deleted some terms and definitions (see 3.2.2, 3.3, 3.6, 3.8, 3.9, 3.14 and 3.15 of the 2010 edition);

--- Changed the "pattern" requirements (see 5.3, 5.3 of the 2010 edition);

--- Added the unit installation condition "with or without foundation" (see 5.6);

--- Changed the "torsional vibration analysis" requirements (see 5.7, 5.7 of the 2010 edition);

--- Increased "vibration" requirements (see 5.8);

--- Added "safety" requirements (see 5.9);

--- Increased the "compressor operating power deviation" requirements (see 6.1.5);

--- Changed the "allowable speed" requirements (see 6.2, 6.2 of the 2010 edition);

--- Added the requirement of "oil-free lubrication of cylinder" (see 6.2, 6.7.3 and 9.3.3);

--- Increased "low temperature environment" requirements (see 6.13.4);

--- Changed "This standard does not apply to shell-and-tube and plate coolers" to "This document does not include shell-and-tube and plate heat exchangers", and added Added requirements for shell-and-tube and plate heat exchangers (see 9.1, 9.1 of the 2010 edition);

---Changed the "container design standard" to "GB/T 150 and TSG21" (see 10.1.1, 10.1.1 of the 2010 edition);

--- Added "pilot-operated safety valve shall comply with the provisions of GB/T 28778" (see 11.18.2);

--- Changed the piping requirements for "thermometer casing" (see 13.3.3, 13.3.3 of the 2010 edition);

---Delete the "Magnetic Particle Testing" spectrum method (see 17.2.2 of the 2010 edition);

--- Deleted the purchaser's checklist (see A 2 and Table A 3 of the 2010 edition).

This document is modified to adopt ISO 13631:2002 "Integrated skid-mounted reciprocating compressors for the oil and gas industry".

Compared with ISO 13631:2002, this document has made the following structural adjustments.

---6.5.2.3a)~6.5.2.3d) correspond to 6.5.2.3.1~6.5.2.3.4 of ISO 13631:2002;

---Appendix C, Appendix E, Appendix F, Appendix G and Appendix D correspond to Appendix A, Appendix B, Appendix C and Appendix of ISO 13631:2002 D and Appendix E.

Compared with ISO 13631:2002, this document has more technical differences, and vertical Single lines (|) are marked. See Appendix A for a list of these technical differences and their causes. The following editorial changes have been made to this document.

--- Deleted some terms and definitions (see 3.2.2, 3.3, 3.6, 3.8, 3.9, 3.14 and 3.15 of ISO 13631:2002), and changed numbering of other terms and definitions;

--- Added "oil-free lubrication" related tips (see 6.2);

--- Modified the "lubricant" selection criteria (see 6.11.1);

--- Added the titles of Figure E 1, Figure F 1, Figure F 2 and Figure G 1;

---Deleted "the dot (.) at the beginning of the clause indicating that the purchaser is required to make a decision or provide further information" and "the purchaser's verification pair table";

--- Added Appendix A (informative) "Technical differences between this document and ISO 13631:2002 and their reasons";

--- Added Appendix B (informative) "ISO 13631:2002 Normative References and Chinese Standards".

Introduction

Users of this document should be aware that further or different requirements may be required for a particular application. This document is not intended to limit the seller to What kind of equipment or engineering solutions are received and selected by the supplier or purchaser for special purposes, especially innovative or developing technologies. in the seller's Where there are alternatives to the purchaser's requirements, the seller should identify any deviations from this document and provide a detailed description.

For the effective use of this document and for easy reference to the text, it is advisable to use the data tables in Appendix C.

1 Scope

This document specifies the integrated skid-mounted, oil-free or oil-free cylinder, split or integral reciprocating with drive machine for the oil and gas industry.

Requirements for compressor design, materials, manufacturing, inspection and shipment preparation, as well as compliance with procurement specifications, on-site construction and equipment procurement minimum requirements.

This document applies to integrated skid-mounted reciprocating compressors and all necessary auxiliary equipment for the oil and gas industry.

Note 1. Necessary auxiliary equipment includes. water and gas coolers, mufflers, exhaust emission control equipment, filters, separators, control panels and pipelines, etc.

Note 2. These devices are assembled into an operable unit according to the procurement specifications and the requirements for on-site construction and minimum installation equipment. This document does not cover the following equipment.

--- Oil-lubricated or oil-free reciprocating compressors (hereinafter referred to as compressors) for oil and gas industry cylinders included in GB/T 20322;

--- Compressors installed directly on the foundation;

---Single-acting piston compressor with integrated crosshead and piston (automotive type);

--- Air compressors for power or instrumentation with discharge pressure not greater than 0.9MPa;

--- Compressors driven by diesel engines, gas turbines and steam turbines.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 150 (all parts) pressure vessels

GB/T 151 heat exchanger

GB/T 193 Common thread diameter and pitch series (GB/T 193-2003, ISO 261:1998, MOD)

GB/T 755 Rating and performance of rotating electrical machines (GB/T 755-2019, IEC 60034-1:2017, IDT)

GB/T 1348 Ductile Iron Castings (GB/T 1348-2019, ISO 1083:2018, MOD)

GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs (GB/T 3098.1-2010, ISO 898-1:2009, MOD)

GB/T 3098.2 Mechanical properties of fastener nuts (GB/T 3098.2-2015, ISO 898-2:2012, MOD)

GB/T 3098.15 Mechanical properties of fasteners Stainless steel nuts (GB/T 3098.15-2014, ISO 3506-2:2009, MOD)

GB/T 3098.25 Mechanical properties of fasteners Selection guide for stainless steel and nickel alloy fasteners

GB/T 3836 (all parts) Explosive atmospheres [IEC 60079 (all parts)]

Note: See Table B 2 for the degree of consistency between each part of GB/T 3836 (all parts) and IEC 60079 (all parts).

GB/T 4208 Enclosure protection level (IP code) (GB/T 4208-2017, IEC 60529:2013, IDT)

GB/T 5677 Radiographic testing of castings (GB/T 5677-2018, IEC 4993:2015, MOD)

GB/T 6391 Rated dynamic load and rated life of rolling bearings (GB/T 6391-2010, ISO 281:2007, IDT)

GB/T 6479 Seamless Steel Tubes for High Pressure Fertilizer Equipment

GB/T 7306 (all parts) 55° sealing pipe thread (GB/T 7306.1-2000, GB/T 7306.2-2000, eqvISO 7-1.1994)

GB/T 8163 seamless steel pipe for conveying fluid

GB/T 9144 Ordinary thread optimization series (GB/T 9144-2003, ISO 262:1998, MOD)

GB/T 9439 gray iron castings (GB/T 9439-2010, ISO 185:2005, MOD)