GB 50781-2012 PDF English
US$135.00 · In stock · Download in 9 secondsGB 50781-2012: Technical code for Chemical System of Electronic Factory Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 50781-2012 | English | 135 |
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Technical code for Chemical System of Electronic Factory
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Similar standards GB 50694 GB 51432 GB 50781-2012: Technical code for Chemical System of Electronic Factory---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB50781-2012
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Technical Code for Chemical System of
Electronic Factory
Issued on: JUNE 28, 2012
Implemented on: DECEMBER 1, 2012
Jointly Issued by. Ministry of Housing and Urban-Rural Development of the
People's Republic of China;
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China.
GB
Foreword
According to the requirements of "Notice on Printing the Development and Revision
Plan of National Engineering Construction Standards and Codes in 2007 (the Second Batch)"
(JIANBIAO [2007] No. 126), this code is prepared by The IT Electronics Eleventh Design &
Research Institute Scientific and Technological Engineering Corporation Limited jointly with
other organizations concerned.
According to the actual design, construction and operation conditions of integrated
circuit factories, flat display device factories and solar panel factories in China, and
considering the current status of factories, this code is finalized after conducting investigation
and study for foreign engineering companies, taking advice from organizations and
individuals concerned throughout the country, and making repeat modification and final
examination.
This code consists of 7 chapters, including General Provisions, Terms and Abbreviation,
Chemical Supply System, Chemical Reclaiming System, Chemical Monitor and Safety
System, Design of Relating Disciplines and Engineering Construction and Acceptance.
In this code, the provisions printed in bold type are compulsory and must be enforced
strictly.
The Ministry of Housing and Urban-Rural Development is in charge of the
administration of this code and the explanation of the compulsory provisions; the Ministry of
Industry and Information Technology is responsible for routine management and The IT
Electronics Eleventh Design & Research Institute Scientific and Technological Engineering
Corporation Limited is responsible for the explanation of specific technical contents. During
the process of implementation, if any opinion and suggestion, please send them to the
Administrative Group for "Technical Code for Chemical System of Electronic Factory" of
The IT Electronics Eleventh Design & Research Institute Scientific and Technological
Engineering Corporation Limited (Address. No. 251, Shuanglin Road, Chengdu, Sichuan;
Postcode. 610021; Fax. 028-84333172) for future reference in revision.
Chief development organizations, participating development organizations, chief drafters
and chief examiners of this code.
Chief development organizations.
The IT Electronics Eleventh Design & Research Institute Scientific and
Technological Engineering Corporation Limited
Electronic Engineering Standard Rating Station of the Ministry of Information
Industry
Participating development organizations.
China Electronics System Engineering No.2 Construction Co., Ltd.
Shanghai Hua Hong NEC Electronics Co., Ltd.
Chengdu ED Engineering Co., Ltd.
Shanghai Zhengfan Science and Technology Co., Ltd.
Winmax Technology Corp.
Air Liquide Shanghai Co., Ltd.
Shanghai Brother Microelectronics Technology Co., Ltd.
Table of Contents
1 General Provisions ... 1
2 Terms and Abbreviation ... 2
2.1 Terms ... 2
2.2 Abbreviation ... 3
3 Chemical Supply System ... 4
3.1 General Requirements ... 4
3.2 Supply Equipment ... 4
3.3 Supply Piping System ... 6
3.4 Equipment and Piping Materials ... 7
3.5 Piping Identification ... 8
4 Chemical Reclaiming System ... 9
4.1 General Requirements ... 9
4.2 Reclaiming Equipment ... 9
4.3 Reclaiming Piping ... 9
5 Chemical Monitor and Safety System ... 11
5.1 General Requirements ... 11
5.2 Equipment Requirement ... 11
5.3 System Requirement ... 11
6 Design of Relating Disciplines ... 13
6.1 Building Structure ... 13
6.2 Electrical and Instrument Control ... 14
6.3 Plumbing and Fire Protection ... 14
6.4 Ventilation and Air Conditioning ... 15
7 Engineering Construction and Acceptance ... 17
7.1 General Requirement ... 17
7.2 Site Inspection and Acceptance of Equipment and Materials ... 17
7.3 Equipment Installation ... 18
7.4 Chemical Supply Piping Installation ... 19
7.5 Construction and Installation of Double-wall Piping ... 19
7.6 Welding Installation of Inner Piping of Acid/alkali Containing Piping ... 21
7.7 Installation of Solvent Chemical Piping ... 21
7.8 Construction of Waste Liquid Piping ... 23
7.9 Piping Equipment Identification ... 23
7.10 Pipeline and System Testing ... 23
7.11 Construction of Renovation Engineering ... 24
7.12 Engineering Acceptance... 25
Explanation of Wording in This Code ... 27
List of Quoted Standards ... 28
1 General Provisions
1.0.1 This code is prepared with a view to make the engineering design, construction and
acceptance of chemical supply system, chemical reclaiming system and their supporting
facilities of electronic factory, comply with the policy guidelines of national engineering
construction, and ensure the safety and reliability, energy conservation, environmental
protection, technical advancement, economic applicability of the engineering.
1.0.2 This code is applicable to the design, construction and acceptance of constructed,
renovated or extended engineering of chemical supply system and chemical reclaiming
system in such production processes of electronic factory as integrated circuit, flat display
device and solar panel in electronics industry.
1.0.3 This code is not applicable to the design, construction and acceptance of chemical
system engineering of production auxiliary and public facility system such as chemical
warehouse, equipment cleaning, wastewater treatment, pure water preparation and waste gas
treatment in electronic factory.
1.0.4 The design, construction and acceptance of chemical system engineering of electronic
factory shall not only meet the requirements of this code, but also those in the current relevant
ones of the nation.
2 Terms and Abbreviation
2.1 Terms
2.1.1 Chemical system
A general term of acid/alkali containing chemical, solvent chemical and grinding fluid
chemical systems of electronic factory.
2.1.2 Chemical supply system
A general term of piping and equipment of acid/alkali containing chemical, solvent
chemical and grinding fluid chemical supply system of electronic factory.
2.1.3 Chemical reclaiming system
A general term of piping and equipment of acid/alkali containing chemical, solvent
chemical and grinding fluid chemical reclaiming system of electronic factory.
2.1.4 Chemical lorry
The specialized vehicle used for transporting large amount of chemicals in electronic
factory.
2.1.5 Chemical container
The small v...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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