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GB/T 39245.2-2020: Grooved metal gaskets with covering layers for pipe flanges - Part 2: Class designated
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39245.2-2020 | English | 299 |
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Grooved metal gaskets with covering layers for pipe flanges - Part 2: Class designated
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GB/T 39245.2-2020
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Basic data | Standard ID | GB/T 39245.2-2020 (GB/T39245.2-2020) | | Description (Translated English) | Grooved metal gaskets with covering layers for pipe flanges - Part 2: Class designated | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J15 | | Classification of International Standard | 23.040.60 | | Word Count Estimation | 16,121 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Quoted Standard | GB/T 2054; GB/T 3280; GB/T 12385-2008; JB/T 7758.2; JB/T 10688 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the type and code, size, requirements, inspection, marking and marking, packaging and storage of metal toothed composite gaskets with a coating for steel pipe flanges marked by Class (hereinafter referred to as metal toothed composite gaskets). Luck. This standard applies to metal tooth-shaped composite gaskets with a nominal pressure not greater than Class2500 and a nominal size not greater than DN1 500 (NPS60). | GB/T 39245.2-2020: Grooved metal gaskets with covering layers for pipe flanges - Part 2: Class designated
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Grooved metal gaskets with covering layers for pipe flanges - Part 2.Class designated
ICS 23.040.60
J15
National Standards of People's Republic of China
Metal toothed combined gasket for pipe flange
Part 2.Class Series
2020-11-19 released
2021-06-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
GB/T 39245 "Metal Toothed Combination Gasket for Pipe Flange" is divided into two parts.
---Part 1.PN series;
---Part 2.Class series.
This part is Part 2 of GB/T 39245.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by China Machinery Industry Federation.
This part is under the jurisdiction of the National Pipeline Accessories Standardization Technical Committee (SAC/TC237).
Drafting organizations of this section. China Tianchen Engineering Co., Ltd., China Machinery Productivity Promotion Center, Cixi Hengli Sealing Material Co., Ltd., Zhejiang
Jiang Guotai Xiaoxing Sealing Materials Co., Ltd., East China University of Science and Technology, Ningbo Tiansheng Sealing Co., Ltd., Zhejiang Yitiandi Xinyuan Sealing Technology
Technology Co., Ltd., Wenzhou Yiyu Sealing Material Co., Ltd., Wuxi Xixi Chemical Machinery Parts Co., Ltd., Wuxi Sunke Petrochemical General Parts Co., Ltd.
Company, Inner Mongolia University of Technology.
The main drafters of this section. Liu Jianxin, Qiu Kuanheng, Feng Feng, Xu Shaohuan, Wu Yimin, Zhang Lanzhu, Lin Jianhong, Fang Deyin, Hui Fuming,
Zhu Xiaoping, Lu Wenming, Chen Hongxia.
Metal toothed combined gasket for pipe flange
Part 2.Class Series
1 Scope
This part of GB/T 39245 specifies the metal toothed composite gasket with a covering layer for steel pipe flanges marked by Class (hereinafter referred to as gold
The type and code, size, requirements, inspection, marking and marking, packaging, storage and transportation of tooth-shaped combined gaskets.
This section applies to metal tooth-shaped composite gaskets with a nominal pressure not greater than Class2500 and a nominal size not greater than DN1500 (NPS60).
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 2054 Nickel and nickel alloy plate
GB/T 3280 Cold rolled stainless steel plate and strip
GB/T 12385-2008 Gasket sealing performance test method for pipe flange
JB/T 7758.2 Technical conditions of flexible graphite board
JB/T 10688 Teflon gasket
3 Type and code
3.1 Type
3.1.1 The metal tooth-shaped composite gasket is divided into three types. basic type, type with integral positioning ring, and type with movable positioning ring. Three metal tooth profile group
The structure of the gasket is shown in Figure 1~Figure 3.
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