GB/T 12221-2025 English Version, GB/T 12221-2025 Metal valves - Face to face;end to end;center to face and center to end dimensions (English Version)

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Position: Chinese Standard in English/GB/T 12221-2025

GB/T 12221-2025 Metal valves - Face to face;end to end;center to face and center to end dimensions (English Version)
Standard No.:	GB/T 12221-2025	Status:	to be valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	20500 words	Translation Price(USD):	615.0 remind me the price change Email:
Implemented on:	2026-5-1	Delivery:	via email in 1~8 business day

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Standard No.:	GB/T 12221-2025
English Name:	Metal valves - Face to face;end to end;center to face and center to end dimensions
Chinese Name:	金属阀门结构长度
Chinese Classification:	J16 Valve
Professional Classification:	GB National Standard
ICS Classification:	23.060.01 23.060.01 Valves in general 23.060.01
Source Content Issued by:	SAMR, SAC
Issued on:	2025-10-31
Implemented on:	2026-5-1
Status:	to be valid
Superseding:	GB/T 12221-2005 Metal calves--Face to face,end to end,center to face and center to end dimensions
Target Language:	English
File Format:	PDF
Word Count:	20500 words
Translation Price(USD):	615.0
Delivery:	via email in 1~8 business day

Standard

GB/T 12221-2025 Metal valves - Face to face;end to end;center to face and center to end dimensions (English Version)
Standard No.	GB/T 12221-2025
Status	to be valid
Language	English
File Format	PDF
Word Count	20500 words
Price(USD)	615.0
Implemented on	2026-5-1
Delivery	via email in 1~8 business day

Detail of GB/T 12221-2025

Standard No.

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Professional Classification

ICS Classification

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Introduction of GB/T 12221-2025

本文件规定了金属阀门的结构长度和公差。
本文件适用于公称尺寸DN8～DN4000且公称压力PN2.5～PN400或公称尺寸NPS1/4～NPS160且公称压力Class125～Class2500的法兰连接、对焊连接和对夹连接金属阀门（阀门类型包括：闸阀、截止阀、球阀、蝶阀、旋塞阀、隔膜阀、止回阀）的设计、生产与检验。
注：公称尺寸DN和NPS的对应关系见附录B。

Contents of GB/T 12221-2025

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Keywords:
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