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HG/T 20646-1999Design Standard Piping Material for Chemical Plant (English PDF)

化工装置管道材料设计规定

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

December 10, 1999

Implementation date

January 1, 1999

Scope

HG/T 20646-1999 is the English-translated version of 化工装置管道材料设计规定.

HG/T 20646-1999 is the Chinese standard "Design Standard Piping Material for Chemical Plant". Issued on 1999-12-10.

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Document preview — HG/T 20646-1999

[Preview only]
1 Scope
1.1 Terms
2 Normative References
2.1 Layout principle
2.2 General requirements
2.3 Example of layout
3 Clear distance, clearance and relevant elevations
4 Operating platform and ladder
5 Other requirements of layout design
6 Layout of horizontal vessels
7 Layout of vertical vessels and reactors
8 Layout of heating furnace
9 Layout of centrifugal compressor

1 Foreword

HG/T 20646-1999 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 10 December 1999.

It is one of 6 parts of the HG/T 20646 series.

The HG/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

2 Scope Preview

HG/T 20646-1999 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 6,683 other HG/T standards.

Of the 2,593 HG/T standards that do carry an ICS number, 1,629 (63%) fall under ICS 71, in the field of chemical technology.

3 About this standard

Sector: Chemical Industry

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

English translation: about 15 pages (approximate)

4 Related standards

Other parts of this standard:

HG/T 20646.1-1999 — Plant

HG/T 20646.2-1999 — Plant

HG/T 20646.3-1999 — Plant

HG/T 20646.4-1999 — Plant

HG/T 20646.5-1999 — Plant

5 Classification and status

Prefix HG/T: recommended 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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