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GB/T 13403-2023 English PDF

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Q: Should I purchase the latest version GB/T 13403-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13403-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$499.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 13403-2023: Gaskets for large-diameter steel pipe flanges
Status: Valid

GB/T 13403: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13403-2023	499	Add to Cart	5 days	Gaskets for large-diameter steel pipe flanges	Valid
GB/T 13403-2008	639	Add to Cart	4 days	Gaskets for large-diameter steel pipe flanges	Obsolete
GB/T 13403-1992	439	Add to Cart	4 days	Gaskets for large-diameter cabon steel pipe flanges	Obsolete

Similar standards

GB/T 12385 GB/T 13401 GB/T 17185 GB/T 13402

Basic data

Standard ID: GB/T 13403-2023 (GB/T13403-2023)
Description (Translated English): Gaskets for large-diameter steel pipe flanges
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Classification of International Standard: 23.040.60
Word Count Estimation: 26,239
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Older Standard (superseded by this standard): GB/T 13403-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 13403-2023: Gaskets for large-diameter steel pipe flanges

---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.
ICS 23.040.60 CCSJ15 National Standards of People's Republic of China Replace GB/T 13403-2008 Gaskets for large diameter steel pipe flanges Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 symbols 1 5 Requirement 2 5.1 Types and dimensions 2 5.2 Performance and dimensional limit deviations16 6 Inspection 18 6.1 General 18 6.2 Sampling and batching 18 6.3 Inspection categories and items18 6.4 Inspection methods and judgment rules 18 7 Marks and emblems 18 8 Packaging, transportation and storage19 8.1 Packaging 19 8.2 Transport and storage19 Reference 20

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 13403-2008 "Gaskets for Large Diameter Steel Pipe Flanges". Compared with GB/T 13403-2008, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. a) Added metal toothed combination gaskets and related requirements (see Chapter 1, Chapter 4, 5.1.4, 5.2.4, Chapter 6 and Chapter 7); b) Added instructions for the size and type selection of the "locating ring type" gasket (see Table 1~Table 2); c) Increased the dimensions of non-metallic flat gaskets and flexible graphite composite reinforced gaskets for B series flange Class 75 (see Table 4 and Table 12); d) Changed the dimensions of non-metallic flat gaskets, metal corrugated composite gaskets, and flexible graphite composite reinforced gaskets (see Table 3 to Table 8, Table 11 ~ Table 12, Table 3 ~ Table 10 of the.2008 version); e) Changed the dimensional limit deviation of gaskets (see Table 13~Table 15, Table 17, Table 11~Table 14 of the.2008 version); f) Added dimensional limit deviation requirements for non-metallic flat gaskets of rubber sheets (see Table 14); g) Added requirements for product transportation and storage (see 8.2.3). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee on Standardization of Pipe Accessories (SAC/TC237). This document was drafted by. Ningbo Tiansheng Seals Co., Ltd., Zhongji Productivity Promotion Center Co., Ltd., Zhejiang Cathay Xiaoxing Sealing Materials Materials Co., Ltd., Cixi Hengli Sealing Materials Co., Ltd., Ningbo Xinyuan Industrial Group Co., Ltd., Guangzhou Dongshan Southern Seals Co., Ltd., Baoyi Group Co., Ltd., PetroChina East China Design Institute Co., Ltd. The main drafters of this document. Qiu Kuanheng, Feng Feng, Zhang Jiahong, Li Xinggen, Xu Shaohuan, Lin Jianhong, Wu Kaijun, Zhang Xiaozhong, Liu Hongfu, Luo Wenjun. This document was first published in.1992, revised for the first time in.2008, and this is the second revision. Gaskets for large diameter steel pipe flanges

1 Scope

This document specifies the requirements for gaskets, inspection, marking and marking as well as packaging, transportation and storage of large diameter steel pipe flanges. This document is applicable to large diameter steel pipe flanges of DN650 (NPS26) ~ DN1500 (NPS60), Class150 ~ Class900 Use spiral wound gaskets, metal corrugated composite gaskets (hereinafter referred to as corrugated gaskets), metal toothed combination gaskets (hereinafter referred to as toothed gaskets) and Class75~Class300 non-metallic flat gaskets and flexible graphite composite reinforced gaskets (hereinafter referred to as reinforced gaskets).

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 4622.2 Wound gaskets for pipe flanges Part 2.Class series GB/T 5574 Industrial rubber sheet GB/T 9126.2 Non-metallic flat gaskets for pipe flanges Part 2.Class series GB/T 19066.2 Metal corrugated composite gaskets for pipe flanges Part 2.Class series GB/T 19675.2 Flexible graphite composite reinforced gaskets for pipe flanges Part 2.Class series GB/T 39245.2 Metal toothed combination gaskets for pipe flanges Part 2.Class series

3 Terms and definitions

There are no terms or definitions to be defined in this document.

4 symbols

The following symbols apply to this document. b. Width of positioning ear of corrugated gasket, unit is millimeter (mm) c. Reinforced gasket (metal) hemming width, unit is millimeter (mm) D. Non-metallic flat gasket outer diameter/reinforced gasket outer diameter/corrugated gasket positioning lug outer diameter, unit is millimeter (mm) D1.Inner diameter of inner ring of spiral wound gasket, unit is millimeter (mm) D2.Inner diameter of spiral wound gasket sealing element/inner diameter of metal skeleton of corrugated gasket/inner diameter of metal core of toothed gasket, unit is millimeter (mm) D3.The outer diameter of the spiral wound gasket sealing element (the inner diameter of the positioning ring)/the outer diameter of the metal skeleton of the corrugated gasket/the outer diameter of the metal core of the toothed gasket, unit in millimeters (mm) D4.The outer diameter of the wound gasket positioning ring/the outer diameter of the corrugated gasket positioning ring/the outer diameter of the toothed gasket movable positioning ring, in millimeters (mm) d. Inner diameter of non-metallic flat gasket/inner diameter of reinforced gasket, in millimeters (mm) K. Center distance of corrugated gasket positioning lugs (diameter of center circle of flange bolt hole), unit is millimeter (mm) L. Corrugated gasket positioning ear aperture (flange bolt hole aperture), unit is millimeter (mm) T. Thickness of wound gasket sealing element/thickness of non-metallic flat gasket/overall thickness of corrugated gasket/overall thickness of toothed gasket/reinforcement pad ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 13403-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 13403-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 13403-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 13403-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 13403-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13403-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.