GB/T 12622-2008 English Version, GB/T 12622-2008 Standard test method for compressibility and recovery of gaskets for pipe flanges (English Version)

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GB/T 12622-2008 Standard test method for compressibility and recovery of gaskets for pipe flanges (English Version)
Standard No.:	GB/T 12622-2008	Status:	valid remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	6000 words	Price(USD):	140.0 remind me the price change Email:
Implemented on:	2008-11-1	Delivery:	via email in 1~3 business day

Standard No.:	GB/T 12622-2008
English Name:	Standard test method for compressibility and recovery of gaskets for pipe flanges
Chinese Name:	管法兰用垫片压缩率及回弹率试验方法
Chinese Classification:	J15 Pipeline fittings
Professional Classification:	GB National Standard
ICS Classification:	23.040.60 23.040.60 Flanges, couplings and joints 23.040.60
Issued by:	AQSIQ,SAC
Issued on:	2008-5-7
Implemented on:	2008-11-1
Status:	valid
Superseding:	GB/T 12622-1990 Test method for compressibility and recorery of gaskets for pipe flanges
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	140.0
Delivery:	via email in 1~3 business day

GB/T 12622-2008 is referred in:

* GB/T 4622.3-2007 Specification of spiral wound gaskets
*GB/T 4622.1-2022 Spiral wound gaskets for pipe flanges—Part 1: PN designated
*GB/T 4622.2-2022 Spiral wound gaskets for pipe flanges—Part 2: Class designated

Standard

GB/T 12622-2008 Standard test method for compressibility and recovery of gaskets for pipe flanges (English Version)
Standard No.	GB/T 12622-2008
Status	valid
Language	English
File Format	PDF
Word Count	6000 words
Price(USD)	140.0
Implemented on	2008-11-1
Delivery	via email in 1~3 business day

Detail of GB/T 12622-2008

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Introduction of GB/T 12622-2008

本标准自实施之日起，代替ＧＢ／Ｔ１２６２２—１９９０。本标准规定了管法兰用垫片应力松弛的Ａ、Ｂ两种试验方法。本标准是对ＧＢ／Ｔ１２６２２—１９９０《管法兰垫片　压缩率及回弹率试验方法》的修订，与ＧＢ／Ｔ１２６２２—１９９０相比主要变化如下：
———对标准的适用范围作了修改，增加了非石棉橡胶垫片，聚四氟乙烯垫片，膨胀或改性聚四氟乙烯垫片，柔性石墨复合垫片，具有非金属覆盖层的齿形金属、波形金属和波齿形金属垫片等；
———试验方法Ａ中，针对所增加的垫片种类，补充增加了相应的压头直径、试样预处理方法和试验载荷等规定；
———试验方法Ｂ中，补充增加了垫片总载荷的规定；
———试验温度改为２１℃～３０℃，以便与ＡＳＴＭＦ３６９９一致；
———增加了对试验次数和试验报告内容的规定。

Contents of GB/T 12622-2008

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