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GB/T 26329-2010 English PDF

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GB/T 26329-2010: Pneumatic instruments driven by associated process gas -- Safe installation and operating procedures -- Guidelines
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Basic data

Standard ID GB/T 26329-2010 (GB/T26329-2010)
Description (Translated English) Pneumatic instruments driven by associated process gas -- Safe installation and operating procedures -- Guidelines
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N10
Classification of International Standard 25.040.01
Word Count Estimation 7,737
Date of Issue 2011-01-14
Date of Implementation 2011-06-01
Quoted Standard GB 3836.1; GB 3836.14; GB 3836.15; GB 4208
Adopted Standard IEC 61081-1991, IDT
Regulation (derived from) National Standard Approval Announcement 2011 No.107
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 process associated gas driven by a pneumatic instrument safe installation, operating procedures and maintenance procedures guide. This standard does not apply to the associated gas is sealed in and can not emitted into the air by the associated gas -driven pneumatic devices. This standard does not apply to electronic devices partially assembled pneumatic instrumentation required.

GB/T 26329-2010: Pneumatic instruments driven by associated process gas -- Safe installation and operating procedures -- Guidelines


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Pneumatic instruments driven by associated process gas. Safe installation and operating procedures. Guidelines ICS 25.040.01 N10 National Standards of People's Republic of China By the process associated gas powered pneumatic instrumentation Guide for safe installation and operation procedures (IEC 61081.1991, IDT) Issued on. 2011-01-14 2011-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions Generally 4 1 Installation 2 5 5.1 General 2 5.2 housing 2 5.3 Exhaust 2 5.4 exhaust pipe 2 Measures 5.5 attempts to prevent the exhaust pipe 2 Lightning protection measures 5.6 exhaust pipe 2 5.7 housing anti-static measures 2 Ground 2 5.8 5.9 enclosure volume 2 5.10 mark 3 Monitoring gas mixture 3 5.11 5.12 precautions 3 5.13 replacement equipment 3 Operating precautions 6 3 6.1 Overview 3 6.2 Non Smoking 3 Generate 6.3 explosive gas 3 6.4 Test 3 gas in advance 6.5 anti-static measures 3 6.6 prevent sparking 3 Protective measures 6.7 electrical device 3 6.8 Continuous Gas Test 3

Foreword

This standard is identical with IEC 61081.1991 "by the process associated gas powered pneumatic safe installation and operation procedures Guide" (In English). According to GB/T 1.1-2000 "Standardization Introduction Part 1. Standard structure and drafting rules" of IEC 61081.1991 The following editorial changes were. a) Remove the IEC 61081.1991 Foreword; "." C) with a decimal point instead of a comma as the decimal point, ""; d) The IEC 61081.1991 relevant IEC standard reference in its entirety replaced by the corresponding national standards. The standard proposed by China Machinery Industry Federation. This standard by the national industrial process measurement and control Standardization Technical Committee (SAC/TC124) centralized. This standard is drafted by. Southwest University. Participated in the drafting of this Standard. China Silian Instrument Group of Instrumentation Technology and Economy Institute. The main drafters of this standard. Zhu Peijun, Huang Wei, Zhao Yixin, Lu Jing. Participate drafters of this standard. Liu Jin, Feng Xiao L, Zhang Xinguo. By the process associated gas powered pneumatic instrumentation Guide for safe installation and operation procedures

1 Scope

This standard specifies the safety of the installation process associated gas powered pneumatic instruments, procedures and maintenance procedures guide. This standard does not apply to the associated gas is sealed inside and can not be released into the air by the associated gas powered pneumatic devices. This standard does not apply to electronic device partially assembled pneumatic instrumentation required. Note. For installation in explosive gas in an electronic device, see GB 3836.15.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 3836.1 Electrical apparatus for explosive gas atmospheres - Part 1. General requirements (GB 3836.1-2000, eqv IEC 60079-0.1998) GB 3836.14 Electrical apparatus for explosive gas atmospheres - Part 14. Classification of hazardous areas (GB 3836.14-2000, idt IEC 60079-10.1995) GB 3836.15 Electrical apparatus for explosive gas atmospheres - Part 15. Electrical installations in hazardous locations (except coal mines) (GB 3836.15-2000, eqv IEC 60079-14.1996) GB 4208 housing protection (IP Code) (GB 4208-2008, IEC 60529.2001, IDT)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Associated gas associatedgas Obtained from the process fluid medium is used to provide a power source for the installed pneumatic flammable gas. 3.2 Pneumatic pneumaticinstrument Pneumatically operating industrial process measurement and control instrumentation devices. The gas source can be emitted into the air.

4 general

Associated gas is a mixed gas of air if no doping, provide the power source for the pneumatic instruments is generally higher than the upper explosive limit (UEL) of. Explosive atmosphere formed by. a) pneumatic housing is opened, so that the air is filled with the gas into the enclosure; b) air emissions associated gas area. By the associated gas powered pneumatic instrument enclosure or the maximum surface temperature of the housing should meet the GB 4208 stipulated Claim.

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