GB/T 40516-2021 English PDF

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GB/T 40516-2021: Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40516-2021	334	Add to Cart	4 days	Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions	Valid

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Basic data

Standard ID: GB/T 40516-2021 (GB/T40516-2021)
Description (Translated English): Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U50
Word Count Estimation: 18,188
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40516-2021: Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions

---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.
Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions ICS 47.020.30 CCSU50 National Standards of People's Republic of China Structural length of J-type marine flanged metal valve (ISO 17602.2014, Shipandmarinetechnology-Metalvalvesforusein Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Typical valve type 2 5 Dimensions and tolerances 5 Reference 12

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. The translation method used in this document is equivalent to ISO 17602.2014 ``Metal Valve Structure of Flange Piping System for Ships and Offshore Technology Spend". The Chinese documents that have consistent correspondence with the normatively cited international documents in this document are as follows. ---GB/T 11698-2008 Structural length of marine flanged metal valve (ISO 5752.1982, MOD) ---GB/T 13402-2019 Large diameter steel pipe flange (ISO 7005-1.2011, NEQ) This document has made the following editorial changes. ---Change the standard name to the structural length of the J-type marine flanged metal valve. This document was proposed and managed by the National Marine Machinery Standardization Technical Committee (SAC/TC137). Drafting organizations of this document. China Shipbuilding Industry Comprehensive Technology and Economic Research Institute, Dalian Shipbuilding Industry Group Co., Ltd., Dalian Marine Valve Limited company. The main drafters of this document. Wu Yongfeng, Liu Xiaopeng, Zhou Xue, Wang Jiazhi, Wang Shikai, Sun Pengran. Structural length of J-type marine flanged metal valve

1 Scope

This document specifies the basic series of the structural length of metal valves with J-type flange connections. The structural length of each series conforms to Requirements in ISO 7005-1, ISO 7005-2 and ISO 7005-3 or other JIS standards. The range of pressure levels, represented by "K", is 5, 10, 16, 20, 30, 40 and other provisions in ISO 5752. The range of nominal size is represented by "DN" or "A", which are 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150,.200, 250, 300, 350, 400, 450, 500, 550, 600, 650, 700, 750, 800, 900, 1000, 1200. Note. According to relevant information, the rated pressure of K series flanges at room temperature (not exceeding 120°C) is roughly as follows. Pressure rating 5K 10K 16K 20K 30K 40K Rated pressure (normal temperature) 0.7MPa 1.4MPa 2.2MPa 3.4MPa 5.1MPa 6.8MPa The pressure rating varies with valve material, size and type, please refer to relevant product standards. Details about the pressure ratings of K series flanges For details, please refer to the relevant JIS standards in the references. JISF7300 specifies the comprehensive selection of the valves listed in Table 1 to Table 5 in this document Choose a guide.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. ISO 5752 flanged pipe system metal valve structure length (Metalvalvesforuseinflangedpipesystems- Face-to-faceandcentre-to-facedimensions) ISO 7005-1 Pipe Flanges Part 1.Steel Flanges for Industrial and General Purpose Piping Systems (Pipeflanges-Part 1. Steelflangesforindustrialandgeneralservicepipingsystems) ISO 7005-2 Metal Flanges Part 2.Cast Iron Pipe Flanges (Metalicflanges-Part 2.Castironflanges) ISO 7005-3 Metal Flanges Part 3.Copper Alloy and Composite Flanges (Metalicflanges-Part 3.Copperaloyand compositeflanges) ISO 8277 Ships and Marine Technology Pipeline Engineering and Machinery Information Transmission (Shipsandmarinetechnology- Pipeworkandmachinery-Informationtransfer)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Nominalsize DN(A) A combination of letter and number size identification of piping system components for reference purposes. Note 1.It consists of the letter DN followed by a dimensionless integer number. This number and the characteristic ruler such as the aperture or outer diameter (in mm) of the end connector Inch is not directly related. ......

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