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GB/T 2029-2008 English PDF

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GB/T 2029-2008: Cast steel suction valve for seaward sluice
Status: Valid

GB/T 2029: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 2029-2008English209 Add to Cart 3 days [Need to translate] Cast steel suction valve for seaward sluice Valid GB/T 2029-2008
GB/T 2029-1980English199 Add to Cart 2 days [Need to translate] Cast steel suction valve for seaward sluice Obsolete GB/T 2029-1980

PDF similar to GB/T 2029-2008


Standard similar to GB/T 2029-2008

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Basic data

Standard ID GB/T 2029-2008 (GB/T2029-2008)
Description (Translated English) Cast steel suction valve for seaward sluice
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard U52
Classification of International Standard 47.020.30
Word Count Estimation 9,933
Date of Issue 2008-08-04
Date of Implementation 2009-02-01
Older Standard (superseded by this standard) GB/T 2029-1980; GB/T 11691-1989
Regulation (derived from) National Standard Approval Announcement 2008 No.12 (Total No.125)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the dimensions and flange sealing surfaces according to GB/T 569 and GB/T 2501 for steel suction sea valves (hereinafter referred to as sea valves) of classification and labeling, requirements, test methods, inspection rules, packaging and storage. This standard applies to light, seawater piping system design sea valves, manufacture and acceptance.

GB/T 2029-2008: Cast steel suction valve for seaward sluice

---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.
Cast steel suction valve for seaward sluice ICS 47.020.30 U52 National Standards of People's Republic of China Replacing GB/T 2029-1980, GB/T 11691-1989 Steel suction sea valve Posted 2008-08-04 2009-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 2029-1980 "steel suction sea valve" and GB/T 11691-1989 "steel suction sea valve (four into position)." This standard and GB/T 2029-1980, the main changes compared to the GB/T 11691-1989 as follows. --- This standard GB/T 2029-1980 and GB/T 11691-1989 integrated as a standard. Wherein the original GB/T 2029- Type 1980 provisions of this standard type B; original GB/T 11691-1989 provisions of this standard type of BS type. --- Disc guide rib change in the seat, ease of processing. --- B-type sea valves by the nominal diameter DN80 ~ DN500 to DN50 ~ DN400. --- Body, bonnet and handwheel material modification to WCA. --- Add "back seal" structure. The standard proposed by China Shipbuilding Industry Corporation. This standard by the National Marine Machinery Standardization Technical Committee piping attachment points Technical Committee. This standard was drafted. Dalian Shipbuilding Industry Group Co., Ltd. Dalian Jinmei Valves. The main drafters of this standard. Liu Xiaopeng, Qiujin Quan, Ying thin, MA Yulong, Liu Jun, the extension in Germany. This standard replaces the previous version of the standard release of case. --- GB/T 2029-1980; --- GB/T 11691-1989. Steel suction sea valve

1 Scope

This standard specifies the dimensions and sealing surface of the flange connection according to GB/T 569 and GB/T 2501 cast steel suction sea valve (hereinafter referred to as pass Sea valves) classification and marking requirements, test methods, inspection rules, packaging and storage. This standard applies to light, sea water piping system through sea valve design, manufacture and acceptance.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 41-2000 hex nut grade C (eqv ISO 4034.1999) GB/T 569 Marine flange connection dimensions and sealing surface GB/T 600 marine piping valves General technical conditions (GB/T 600-1991, neq ISO 5208. 1982) GB/T 1176-1987 Cast Copper Alloys conditions (neq ISO 1338. 1977) GB/T 1184-1996 shape and position tolerances without individual tolerance value (eqv ISO 2768-2. 1989) GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance tolerance (eqv ISO 2768-1. 1989) GB/T 1958 Geometrical Product Specifications (GPS) shape and position tolerance testing requirements GB/T 2501 Marine flange connection dimensions and sealing surface (four into bits) (GB/T 2501-1989, neq ISO 2084. 1974) Flag GB/T 3032 Ship pipeline accessories GB/T 4423-2007 Copper and copper alloy rod drawing GB/T 11698 Marine flange length of the structure connecting metal valves (GB/T 11698-1989, neq ISO 5752. 1982) GB/T 12229-2005 General valves carbon steel castings CB/T 3927 Marine casting wall thickness of the valve member

3 Classification and Marking

Type 3.1 Sea valves type as follows. Type B --- flange dimensions and sealing surface according to GB/T 569 of sea valves. BS type --- flange dimensions and sealing surface according to GB/T 2501 of sea valves. 3.2 Basic parameters Sea valves basic parameters in Table 1. Table 1 Basic parameters of sea valves Type Nominal pressure PN/MPa Nominal diameter DN/mm BS 0.4 50 to 400 50 to 500 3.3 Structure and basic dimensions Structure and basic dimensions shown in Figure sea valve 1 and Table 2 and Table 3.

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