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GB/T 28713.3-2012: Enhanced heat transfer elements used in tube-shell heat exchangers -- Part 3: Wavy tubes
Status: Obsolete
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28713.3-2012 | English | 319 |
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Enhanced heat transfer elements used in tube-shell heat exchangers -- Part 3: Wavy tubes
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GB/T 28713.3-2012
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Basic data | Standard ID | GB/T 28713.3-2012 (GB/T28713.3-2012) | | Description (Translated English) | Enhanced heat transfer elements used in tube-shell heat exchangers -- Part 3: Wavy tubes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H48 | | Classification of International Standard | 23.040.10 | | Word Count Estimation | 8,869 | | Quoted Standard | GB 151; GB/T 1804; GB 5310; GB 6479; GB 9948; GB 13296 | | Regulation (derived from) | National Standards Bulletin No. 24 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the shell and tube heat exchanger with corrugated tube of the basic parameters and technical requirements. This section applies to a shell and tube heat exchangers, corrugated tube, and its nominal pressure of not more than 4. 0 MP | GB/T 28713.3-2012: Enhanced heat transfer elements used in tube-shell heat exchangers -- Part 3: Wavy tubes
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS23.040.10
H48
National Standards of People's Republic of China
Shell and tube heat exchanger with enhanced heat transfer element
Part 3. Corrugated Tube
Part 3. Wavytubes
Issued on. 2013-01-01 2012-09-03 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 28713 "shell and tube heat exchanger with enhanced heat transfer element" is divided into three parts.
--- Part 1. threaded pipe;
--- Part 2. Stainless steel bellows;
--- Part 3. Corrugated Tube.
This is Part 3 GB/T 28713 in.
Rules in this section in accordance with GB/T 1.1-2009 given draft.
This part of the National boiler pressure vessel Standardization Technical Committee (SAC/TC262) and focal points.
Drafting this Part. Hi-tech Gansu Lanke Petrochemical Equipment Co., Ltd., Shanghai blue Bin Petrochemical Equipment Co., Ltd., Xiamen Ming
Machinery Manufacturing Co., Ltd.
This section drafters. Zhang Yanfeng, Yang Guoyi, Hong Xiao Bo, Chang Chunmei.
Shell and tube heat exchanger with enhanced heat transfer element
Part 3. Corrugated Tube
1 Scope
This section GB/T 28713 provisions of the basic parameters and technical requirements for shell and tube heat exchanger tubes node.
This section applies to a shell and tube heat exchanger with wave tube section, which is not greater than the nominal pressure 4.0MPa, working temperature is higher than -20 ℃, lower than
450 ℃, the working medium is suitable for carbon steel and stainless steel case.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 151 shell and tube heat exchangers
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance
GB 5310 high-pressure boiler seamless steel pipe
GB 6479 high-pressure chemical fertilizer equipment, seamless steel pipe
GB 9948 petroleum cracking seamless pipe
GB 13296 boilers, heat exchangers, stainless steel seamless pipe
3 Terms, definitions and symbols
3.1 Terms and Definitions
GB 151 define the following terms and definitions apply to this document.
3.1.1
Corrugated Tube wavytubes
The outer surface of the seamless steel pipe, hoop extruded shaped tubes. Thin-walled tube --- B node type shown in Figure 1, the thick-walled tube --- H node type
See Figure 2.
3.2 Symbol
The following symbols apply to this document.
d --- Wave Festival tube diameter (ie light tube diameter), mm;
df --- Corrugated Tube tip diameter (crest diameter), mm;
dr --- Corrugated Tube root diameter (trough diameter), mm;
L --- ends without nodal length (the length of the light pipe), mm;
t --- hypotenuse plus short straight edge length, mm;
t1 --- short length of the hypotenuse, mm;
tp --- pitch, mm;
δt --- node pipe wall thickness (light pipe wall thickness), mm.
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