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GB/T 1852-2008 English PDF

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GB/T 1852-2008: Marine cast steel flanged steam pressure reducing valves
Status: Valid

GB/T 1852: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 1852-2008English229 Add to Cart 3 days [Need to translate] Marine cast steel flanged steam pressure reducing valves Valid GB/T 1852-2008
GB/T 1852-1993English279 Add to Cart 3 days [Need to translate] Marine steel flanged steam pressure reducing valves Obsolete GB/T 1852-1993

PDF similar to GB/T 1852-2008


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Basic data

Standard ID GB/T 1852-2008 (GB/T1852-2008)
Description (Translated English) Marine cast steel flanged steam pressure reducing valves
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard U52
Classification of International Standard 47.020.30
Word Count Estimation 10,153
Date of Issue 2008-08-04
Date of Implementation 2009-02-01
Older Standard (superseded by this standard) GB/T 1852-1993
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, GB/T 2501 Marine flange steel steam valve (hereinafter referred to as the valve) of classification and labeling, requirements, test methods, inspection rules, packaging and storage. This standard applies to the temperature does not exceed 300��C ship steam piping system with valve design, manufacture and acceptance.

GB/T 1852-2008: Marine cast steel flanged steam pressure reducing valves

---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.
Marine cast steel flanged steam pressure reducing valves ICS 47.020.30 U52 National Standards of People's Republic of China Replacing GB/T 1852-1993 Marine steel flanged steam 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 is GB/T 1852-1993 "Marine steel flanged steam valve" amendment. This standard and GB/T 1852-1993 compared to the main job of the following changes. --- Import and export flange nominal diameter consistent; --- Body and cover material to ZG275-485; --- Modified valve strength and tightness test pressure; --- Modify the mark mode; --- According to GB/T 600 modified processing requirements. Instead of from the date of implementation of standards and simultaneously abolished GB/T 1852-1993. 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. The main drafters of this standard. interest Chunqing, MA Yulong, Li Jing, Liu Ye, Yang Lin. This standard replaces the standards previously issued as follows. --- GB/T 1852-1980, GB/T 1852-1993. Marine steel flanged steam valve

1 Scope

This standard specifies the dimensions and sealing surface of the flange connection according to GB/T 569, GB/T 2501 Marine steel flanged steam valve (hereinafter Acronym valve) classification and marking requirements, test methods, inspection rules, packaging and storage. This standard applies to temperature does not exceed 300 ℃ ship steam piping system with 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 569 Marine flange connection dimensions and sealing surface GB/T 600 marine piping valves General technical requirements GB/T 1184-1996 shape and position tolerances without individual tolerance value (eqv ISO 2768-2. 1989) GB/T 1220-1992 stainless steel rod 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 2040-2002 Copper and copper alloy sheet 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 12229-2005 General valves carbon steel castings CB/T 3396-1992 marine valve performance test CB/T 3927 Marine casting wall thickness of the valve member YB/T 5318-2006 alloy spring steel wire

3 Classification and Marking

Type 3.1 Predetermined type of valve are as follows. A type --- flange dimensions and sealing surface according to GB/T 569 of the valve; AS type --- flange dimensions and sealing surface according to GB/T 2501 of the valve. 3.2 Basic parameters Valve basic parameters in Table 1. Table 1 valve basic parameters 25 ~ 200 0.4 ~ 2.5 0.2 to 0.6 0.6 to 1.2 Note. The inlet pressure and outlet pressure differential of not less than 0.2MPa. 3.3 Structure and basic dimensions 3.3.1 A type of valve structure and basic dimensions shown in Figure 1 and Table 2.

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