GB/T 151-2014 English PDF (GBT151-2014)

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GB/T 151-2014: Heat exchanger
ICS 71.120.30
J 75
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Supersedes GB 151-1999
Heat Exchangers
热交换器
ISSUED ON. DECEMBER 5, 2014
IMPLEMENTED ON. MAY 1, 2015
Jointly issued by the General Administration of Quality Supervision,
Inspection and Quarantine (AQSIQ) and the
Standardization Administration (SAC) of the People’s
Republic of China
Contents
Foreword... i
Introduction...iii
1 Scope... 1
2 Normative References...2
3 Terms and Definitions...4
4 General Requirements...6
4.1 General Rules...6
4.2 Qualifications and Responsibilities... 6
4.3 Process Calculation...8
4.4 General Design Requirements... 8
4.5 Permissible Stress...11
4.6 Classification and Coefficient of Welded Joints... 11
4.7 Pressure-tight Test... 12
4.8 Leakage Test... 13
5 Materials...13
5.1 General Provisions... 13
5.2 Cylinder and Head... 13
5.3 Tube Sheet, Header Flat-cover and Flange... 13
5.4 Heat Exchange Tube... 14
5.5 Steel Bar for Stud (Including Bolt) and Nut...15
6 Structural Design...15
6.1 Main Components and Parts of Tube-shell Heat Exchangers...15
6.2 Model of Tube-shell Heat Exchangers... 17
6.3 Tubeside... 21
6.4 Heat Exchange Tube... 25
6.5 Tube Sheet...27
6.6 Connection between Heat Exchange Tube and Tube Sheet...31
6.7 Welding Connection between Tube Sheet and Header or Shell... 36
6.8 Shellside... 36
6.9 Split Ring Floating Head... 51
6.10 Shell...53
6.11 Stuffing Box...54
6.12 Expansion Joint...56
6.13 Connecting Pipe and Other Openings... 56
6.14 Equipment Flange and Nozzle Flange...56
6.15 Sealing and Gasket...57
6.16 Support... 57
6.17 Accessories...60
7 Design Calculation...61
7.1 Pressure-bearing Shell and Partition...61
7.2 Floating Head and Split Ring...64
7.3 Heat Exchange Tube... 69
7.4 Tube Sheet...71
8 Fabrication, Inspection and Acceptance... 127
8.1 General Rules...127
8.2 Cylinder...127
8.3 Heat Exchange Tube... 128
8.4 Tube Sheet and Header Flat-cover...129
8.5 Baffle and Supporting Plate...131
8.6 Other Parts...132
8.7 Tube Bundle Assembly... 132
8.8 Connection between Heat Exchange Tube and Tube Sheet... 132
8.9 Weld... 133
8.10 Heat Treatment...133
8.11 Assembling...133
8.12 Dimension Deviation... 134
8.13 Pressure-tight Test and Leakage Test...137
8.14 Delivery Information... 138
8.15 Nameplate... 138
8.16 Coating and Transport Package... 138
9 Installation, Operation and Maintenance...138
9.1 Site Installation... 138
9.2 Test Run and Operation... 139
9.3 Maintenance... 140
Appendix A (Normative) Declaration of Standard Conformity and Revision...141
Appendix B (Informative) Heat Transfer Calculations of Tube-shell Heat Exchanger...142
Appendix C (Informative) Vibration Caused by Fluid...158
Appendix D (Informative) Physical Property Data of Common Fluids...188
Appendix E (Informative) Fouling Resistance...226
Appendix F (Informative) Heat Conductivity Coefficients of Metals... 230
Appendix G (Informative) List for Properties of Heat Exchange Tubes... 232
Appendix H (Informative) Weld Types of Welded Joints between Heat Exchange Tube and Tube
Sheet... 234
Appendix I (Informative) Welded Connection of Tube Sheet to Header and Shell...236
Appendix J (Informative) Calculation ...