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JB/T 1308.2-2025PN2500 Ultra-high pressure valve and fitting - Part 2: Technical specification (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

July 2, 2025

Implementation date

February 1, 2026

Scope

JB/T 1308.2-2025 (PN2500 Ultra-high pressure valve and fitting - Part 2: Technical specification) is available as an English-translated PDF.

JB/T 1308.2-2025 — This standard specifies the technical requirements for PN2500 ultra-high pressure valves and fittings, describes the corresponding test methods, and specifies inspection rules, marking, and packaging.

This standard applies to nominal sizes DN3-630. This standard specifies the manufacture of forged steel valves (gate valves, throttle valves, and check valves) and fittings for ultra-high pressure valves with DN25 and nominal pressure PN2500, operating temperature -29°C桫280°, and for non-corrosive media.

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Document preview — JB/T 1308.2-2025

National Standard of the People's Republic of China

ICS: 23.060.99
Classification: J 16
Replacing: JB/T 1308.2-2011

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the technical requirements for PN2500 ultra-high pressure valves and fittings, describes the corresponding test methods, and specifies inspection rules, marking, and packaging. This standard applies to nominal sizes DN3-630. This standard specifies the manufacture of forged steel valves (gate valves, throttle valves, and check valves) and fittings for ultra-high pressure valves with DN25 and nominal pressure PN2500, operating temperature -29°C桫280°, and for non-corrosive media. This standard does not apply to fittings connecting ultra-high pressure valves to upstream and downstream pipelines.

Document data

International classification (ICS): 23.060.99.

Chinese classification (CCS): J16.

Estimated length of the Chinese original: 10,180 words.

Supersedes the earlier edition JB/T 1308.2-2011.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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