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GB/T 586-2026Marine cast steel flanged check valves (English PDF)

船用法兰铸钢止回阀

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Also coversGB/T586-2026 + GBT586-2026

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 28, 2026

Implementation date

January 1, 2027

Scope

GB/T 586-2026 is the English-translated version of 船用法兰铸钢止回阀.

Check valves keep fluid from flowing backward in ship piping, and this recommended national standard concerns marine cast steel flanged check valves. It specifies classification and marking, requirements, test methods, inspection rules, and packaging and storage, and it applies to the design, manufacture and acceptance of these valves for use in shipboard piping systems. The listed media include seawater, fresh water, fuel oil, lubricating oil, air and steam.

Shipyards, valve manufacturers, marine equipment suppliers, classification and inspection bodies and ship owners' technical departments will find it relevant when specifying or accepting valves. It replaces GB/T 586-2015 and takes effect on 1 January 2027. Its normative references include other marine valve and piping standards, so it is normally used as part of a wider set of marine valve documents.

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Document preview — GB/T 586-2026

National Standard of the People's Republic of China

ICS: 47.020.30
Classification: U52
Replacing: GB/T 586-2015

Issued by: State Administration for Market Regulation; Standardization Administration of China

Foreword
1 Scope
2 Normative references
3 Terms and definitions

Foreword

GB/T 586-2026 is a recommended national standard (GB/T) of the People's Republic of China, issued on 28 September 2026 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 January 2027.

This edition replaces GB/T 586-2015.

It is under the responsibility of the Standardization Administration of China.

Classification: ICS 47.020.30; CCS U52.

1 Scope

Remaining clauses in the full document

2 Normative references
3 Terms and definitions

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

Editions of GB/T 586

Edition	Title	Revision	Status
GB/T 586-2026	Marine cast steel flanged check valves	current edition	Current
GB/T 586-2015	Marine cast steel flanged check valves	previous edition	In force until 1 January 2027

This page sells the current edition, GB/T 586-2026. Earlier editions are listed for reference only.

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