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Flow chart of air separation plant -- Graphical symbols and letter codes
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Basic data
| Standard ID | GB/T 36489-2018 (GB/T36489-2018) |
| Description (Translated English) | Flow chart of air separation plant -- Graphical symbols and letter codes |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J76 |
| Classification of International Standard | 71.100.20 |
| Word Count Estimation | 34,366 |
| Date of Issue | 2018-07-13 |
| Date of Implementation | 2019-02-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 36489-2018: Flow chart of air separation plant -- Graphical symbols and letter codes
---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.
Flow chart of air separation plant--Graphical symbols and letter codes
ICS 71.100.20
J76
National Standards of People's Republic of China
Air separation equipment flow chart
Graphic symbols and text codes
Published on.2018-07-13
Implementation of.2019-02-01
State Market Supervisory Administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 General Provision 1
4 equipment, machine system graphic symbol 1
5 equipment, machine system text code 19
6 Pipe and valve number 19
7 measurement control point code 23
8 measurement control system graphic symbol 24
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Gas Separation and Liquefaction Equipment Standardization Technical Committee (SAC/TC504).
This standard was drafted. Hangzhou Hangyang Co., Ltd., Kaifeng Air Separation Group Co., Ltd., Sichuan Air Separation Equipment (Group) has limited liability
the company.
The main drafters of this standard. Zhou Zhiyong, Wang Zhongjian, Gao Yun, Han Yisong, Wang Xinjie, Ma Guohong, Zhao Wenyin, Huang Ke, Song Xin, Qian Jiqing,
Zhu Ying, Dai Qi, Wang Qingbo, Jiang Rong, Zhou Kuanzhang, Xu Xing.
Air separation equipment flow chart
Graphic symbols and text codes
1 Scope
This standard specifies the graphical symbols and text codes of the air separation equipment flow chart.
This standard applies to the flow chart for drawing air separation equipment and the preparation of relevant technical documents. Draw other gas separations, liquefaction and extraction
The flow chart of the equipment and the preparation of technical documents can be referred to.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 4457.4 mechanical drawing pattern drawing line
GB/T 4458.4 mechanical drawing size note
GB/T 14691 technical drawing font
3 General regulations
3.1 The graphic symbols in this standard should be drawn with thick solid lines. The width b of the line should meet the requirements of GB/T 4457.4.
With 0.5mm, it is allowed to use thin solid line for pipeline, pipe fittings, valves and measuring control components (the width of the line is about b/3, it is recommended)
0.18mm) drawing. On the same pattern, the various types of graph lines and widths of the graphic symbols should be consistent.
3.2 The word code shall comply with the provisions of GB/T 14691.
3.3 Graphic symbols allow for combination and position to allow rotation.
3.4 When drawing graphic symbols, you can zoom in or out according to the legend shown in this standard.
3.5 Graphical symbols not listed in this standard may be represented by one of the following methods.
a) visualize and simplify the representation of the shape, features and dimensions of the actual object;
b) by a long square (or square), indicating the name;
c) Add a graphic symbol.
3.6 The flow chart of the air separation equipment should be drawn according to the single or multi-body equipment, or it can be drawn according to the system. It is better to use the A2 frame.
4 equipment, machine system graphical symbols
4.1 The tower is as specified in Table 1.
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