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JB 8939-1999Water pollution control equipment - Technical safety specification (English PDF)

水污染防治设备安全技术规范

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Issued by

MIIT

Level / Type

Industry · Mandatory

Issue date

July 12, 1999

Implementation date

January 1, 2000

Scope

JB 8939-1999 is the English-translated version of 水污染防治设备安全技术规范.

JB 8939-1999 is the Chinese machinery industry standard covering water pollution control equipment - Technical safety specification. It was issued on 12 July 1999 and has been in force since 1 January 2000, as a first edition.

The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 1999 edition.

The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.

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Document preview — JB 8939-1999

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

JB 8939-1999 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 12 July 1999.

The JB prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

The document runs to 15 pages in English translation.

2 Scope Preview

JB 8939-1999 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 166 other JB standards.

Of the 12 JB standards that do carry an ICS number, 8 (67%) fall under ICS 11, in the field of health care technology.

3 About this standard

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

English translation: about 15 pages

4 Related standards

Standards on related subjects:

JB/T 8906-2014 — Cantilever crane

GB/T 10051.2-2010 — Lifting hooks -- Part 2: Technical conditions for forged hooks

GB/T 6974.12-1986 — Lifting appliances. Vocabulary. Overhead travelling cranes

JB/T 9010-2025 — Safety rules for manual hoist

JB/T 8521.2-2025 — Textile slings - Safety - Part 2: Round slings made of synthetic fibers for general purposes

JB/T 8521.1-2025 — Textile slings - Safety - Part 1: Flat woven webbing slings made of synthetic fibers for general purposes

5 Classification and status

Chinese Standard Classification (CCS): J 88

Prefix JB: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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