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GB/T 12465-2017Piping compensatory couplings (English PDF)

管路补偿接头

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

Level / Type

National · Recommended

Issue date

February 28, 2017

Implementation date

June 1, 2017

Scope

GB/T 12465-2017 is the English-translated version of 管路补偿接头.

GB/T 12465-2017 is the Chinese standard "Piping compensatory couplings".

Its scope clause reads: This standard specifies the flange connection size and sealing surface according to GB/T 9112-2010 (PN series) of the pipeline compensation joints (hereinafter referred to as Compensated joints), labeling, requirements, test methods, inspection rules, marking, packaging, transport and storage.

This standard applies to the transportation of seawater, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, oil, refined oil, air, gas, The design, manufacture and acceptance of compensating joints for media piping such as steam, hot gases and powdered particles at a temperature not higher than 205 ° C. Its clauses include normative reference documents; terms and definitions.

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Document preview — GB/T 12465-2017

National Standard of the People's Republic of China

ICS: 47.020.30
Classification: U55

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

4.1 Type and type
4.2 Basic parameters
4.3 Structure and basic dimensions
4.4 Product Mark
5 requires
5.1 Material
5.2 Appearance
5.3 Surface protection
5.4 Dimensional tolerances and geometric tolerances
5.5 Strength
5.6 Burst pressure
5.7 Sealability
5.8 Internal pressure self-balancing
5.9 Flexibility and eccentricity
5.10 Health
5.11 fire protection
6.1 Materials
6.2 Appearance
6.3 Surface protection
6.5 Strength
6.6 Burst pressure
6.7 Sealing
6.8 Internal pressure self-balancing
6.9 Flexibility and eccentricity
6.10 Health
6.11 Fire
7 inspection rules
7.1 Inspection Classification
7.2 Type Inspection
7.3 Factory inspection
8 logo
9 Packaging, transport and storage
9.1 Packaging
9.2 Transportation
9.3 Storage

1 Scope

This standard specifies the flange connection size and sealing surface according to GB/T 9112-2010 (PN series) of the pipeline compensation joints (hereinafter referred to as

Compensated joints), labeling, requirements, test methods, inspection rules, marking, packaging, transport and storage.

This standard applies to the transportation of seawater, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, oil, refined oil, air, gas,

The design, manufacture and acceptance of compensating joints for media piping such as steam, hot gases and powdered particles at a temperature not higher than 205 ° C.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article

Pieces. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 191 packaging and storage icon

High quality carbon structural steel GB/T 699-1999

Carbon structural steel GB/T 700-2006

Structural steel for ships and marine engineering GB 712-2011

GB/T 1220-2007 stainless steel rods

Ductile Iron Fittings GB/T 1348-2009

GB/T 1804-2000 General tolerances Tolerances of linear and angular dimensions without tolerances

Stainless steel cold - rolled steel sheets and steel strip GB/T 3280-2015

GB/T 4237-2015 stainless steel hot rolled steel sheet and strip

GB/T 6388 shipping package collection and delivery mark

Types and parameters of steel pipe flanges GB/T Technical conditions for general purpose valves for carbon steel castings GB/T 12229-2005

Technical requirements and test methods for hot - dip galvanizing of steel - clad steel parts GB/T Specification and test methods for electroless nickel - phosphorus alloy coatings on metallic coatings

Stainless steel seamless tubes for fluid delivery GB/T 14976-2012

GB/T 17219 Safety evaluation criteria for drinking water distribution equipment and protective materials

CJ/T 120 water supply plastic composite steel pipe

JB/T 4711 pressure vessel coating and shipping packaging

Classification of Steel Seafarers (2014) (China Classification Society)

3 terms and definitions

The following terms and definitions apply to this document.

3.1 Loose sets of compensated joints sleeveexpansionjoint

By the body, seals, compression components composed of loose connecting pipe, mainly for the absorption of axial displacement, and can not withstand the pressure of the thrust of the fill

The device of the joint.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 94 pages — is available in the English PDF.

Referenced standards

Normative references

GB 712-2011

Cited by

Similar standards

GB/T 10752-2005|GB/T 11618.1-2008|GB/T 11618.2-2008|GB/T 11693-2022|GB/T 12522-2009

Editions of GB/T 12465

Edition	Title	Revision	Status
GB/T 12465-2017	Piping compensatory couplings	current edition	Current
GB/T 12465-2007	Piping compensatory couplings	previous edition	Superseded

This page sells the current edition, GB/T 12465-2017. Earlier editions are listed for reference only.

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