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GB/T 590-2008 English PDF

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GB/T 590-2008: Marine cast iron flanged stop valves
Status: Valid

GB/T 590: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 590-2008English229 Add to Cart 3 days [Need to translate] Marine cast iron flanged stop valves Valid GB/T 590-2008
GB/T 590-1993English239 Add to Cart 2 days [Need to translate] Marine cast iron flanged stop valves Obsolete GB/T 590-1993

PDF similar to GB/T 590-2008


Standard similar to GB/T 590-2008

GB/T 592   GB/T 586   GB/T 589   

Basic data

Standard ID GB/T 590-2008 (GB/T590-2008)
Description (Translated English) Marine cast iron flanged stop valves
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard U52
Classification of International Standard 47.020.30
Word Count Estimation 10,125
Date of Issue 2008-08-04
Date of Implementation 2009-02-01
Older Standard (superseded by this standard) GB/T 590-1993
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 cast iron flanged globe valve (hereinafter referred to as the cut-off valve) of classification and labeling, requirements, test methods, inspection rules, packaging and storage. This standard applies to the media as seawater, freshwater, oil, fuel line shut-off valve systems design, manufacture and acceptance.

GB/T 590-2008: Marine cast iron flanged stop 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 iron flanged stop valves ICS 47.020.30 U52 National Standards of People's Republic of China Replacing GB/T 590-1993 Marine flange cast iron globe 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 590-1993 Revision "Marine flange cast iron globe valve" in. This standard and GB/T 590-1993 compared to the main job of the following changes. --- Increasing the compression nut and bonnet pour packing chamber between the sealing requirements; --- Modify the mark mode; --- Referring to FIG modification of the original construction of standard structural dimensions; --- According to GB/T 600 modified processing requirements. 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, Yang Ming Zhen, Li Jing, Yang Lin. This standard replaces the standards previously issued as follows. --- GB 590-1965, GB 590-1976, GB 590-1984, GB/T 590-1993. Marine flange cast iron globe valve

1 Scope

This standard specifies the dimensions and sealing surface of the flange connection according to GB/T 569, GB/T 2501 the Marine flange cast iron cut-off valve (hereinafter referred to as Shut-off valve) classification and marking requirements, test methods, inspection rules, packaging and storage. This standard applies to medium water, fresh water, oil, fuel piping system with shutoff 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 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 9439-1988 Gray Iron Castings GB/T 11698 Marine flange length of the structure connecting metal valves (GB/T 11698-1989, neq ISO 5752. 1982) CB/T 3927 Marine casting wall thickness of the valve member

3 Classification and Marking

Type 3.1 Off valve type specified as follows. A type --- flange dimensions and sealing surface according to GB/T 569 through-type cut-off valve; Type B --- flange dimensions and sealing surface of GB/T right-angle cut-off valve 569; AS type --- flange dimensions and sealing surface according to GB/T 2501 through-type cut-off valve; BS type --- flange dimensions and sealing surface according to GB/T 2501 of right-angle valve. 3.2 Basic parameters The basic parameters of shut-off valves are shown in Table 1. Table 1 Basic parameters of the shut-off valve Type Nominal pressure PN/MPa Nominal diameter DN/mm A, B 1.0 65 ~ 150 1.6 20 to 50 AS, BS 0.6 50 ~ 300 1.0 65 ~ 250 1.6 20 to 50

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