Valid

HG/T 20645.3-1998Technical Management Regulations for Piping Mechanical Discipline of Chemical Plant (English PDF)

化工装置管道机械专业技术管理规定

Preview PDF

This is a limited preview

Buy now to download the full PDF (15 pages)

Need quotation for your management?

Get a formal quotation for HG/T 20645.3-1998 in 30 minutes.

Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

January 1, 1998

Implementation date

January 1, 1998

Scope

HG/T 20645.3-1998 is the English-translated version of 化工装置管道机械专业技术管理规定.

HG/T 20645.3-1998 is the Chinese standard "Technical Management Regulations for Piping Mechanical Discipline of Chemical Plant".

Found what you need?

Document preview — HG/T 20645.3-1998

[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 20645.3-1998 is issued by Ministry of Industry and Information Technology of the People's Republic of China.

It is one of 8 parts of the HG/T 20645 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 20645.3-1998 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 20645.1-1998 — Design Standart Piping Mechanic for Chemical Plant

HG/T 20645.2-1998 — Design Standart Piping Mechanic for Chemical Plant

HG/T 20645.2-2022 — Design standard of piping mechanics for chemical plant - Engineering design regulations

HG/T 20645.4-1998 — Design Standart Piping Mechanic for Chemical Plant

HG/T 20645.4-2022 — Design standard of piping mechanics for chemical plant - Contents and depth provisions of compilation conditions

HG/T 20645.5-1998 — Design Standard Piping Mechanic for Chemical Plant

HG/T 20645.5-2022 — Design standard of piping mechanics for chemical plant - Design technical specifications

Other editions:

HG/T 20645.3-2022 (later edition)

5 Classification and status

Chinese Standard Classification (CCS): G 90

Prefix HG/T: recommended standard.

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

How to Download HG/T 20645.3-1998

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.