GB/T 588-2009 English PDF

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GB/T 588-2009: Marine closing check valve flanged bronze
Status: Valid

GB/T 588: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 588-2009	209	Add to Cart	3 days	Marine closing check valve flanged bronze	Valid
GB/T 588-1993	239	Add to Cart	2 days	Marine bronze flanged stop check valves	Obsolete

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GB/T 586   GB/T 592   GB/T 589   

Basic data

Standard ID: GB/T 588-2009 (GB/T588-2009)
Description (Translated English): Marine closing check valve flanged bronze
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U52
Classification of International Standard: 47.020.30
Word Count Estimation: 9,975
Date of Issue: 2009-03-23
Date of Implementation: 2009-11-01
Older Standard (superseded by this standard): GB/T 588-1993
Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144)
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 comply with GB/T 569 marine bronze flange and GB/T 2501 requirements of the non-return valve (hereinafter referred to as the closing check valve) of classification and labeling, requirements, test methods, inspection rules, packaging and storage. This standard applies to fresh medium, seawater, oil, fuel and temperature does not exceed 250��C steam piping system closing check valve design, manufacture and acceptance.

GB/T 588-2009: Marine closing check valve flanged bronze

---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 closing check valve flanged bronze ICS 47.020.30 U52 National Standards of People's Republic of China Replacing GB/T 588-1993 Marine flange bronze stop check valves Posted 2009-03-23 2009-11-01 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 588-1993 "Marine flange bronze stop check valves" amendments. This standard and GB/T 588-1993 compared to the main job of the following changes. --- Increasing the stem and the valve cover seal packing chamber between the requirements; --- Body, valve cover material used ZCuSn5Pb5Zn5; --- Modify the mark mode; --- Amend the processing requirements. The standard proposed by China Shipbuilding Industry Corporation. This standard by the National Marine Machinery Standardization Technical Committee Piping Accessories Technical Committee (SAC/TC137/SC3) centralized. This standard was drafted. Dalian Shipbuilding Industry Group Co., Ltd. The main drafters of this standard. Li Jing, MA Yulong, interest Chunqing, Yang Ming Zhen, Yang Lin. This standard replaces the standards previously issued as follows. --- GB 588-1976, GB/T 588-1984, GB/T 588-1993. Marine flange bronze stop check valves

1 Scope

This standard specifies the flange size and flange sealing surfaces conform Marine Bronze GB/T 569 and GB/T 2501 requirements Ended Return valve (hereinafter referred to as the cut-off valve) classification and marking requirements, test methods, inspection rules, packaging and storage. This standard applies to the media as fresh water, sea water, oil, fuel and temperature does not exceed 250 ℃ steam cutoff valve in the piping system 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 1176-1987 Cast Copper Alloys conditions (neqISO 1338. 1977) GB/T 1184-1996 shape and position tolerances without individual tolerance value (eqvISO 2768-2. 1989) GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance tolerance (eqvISO 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, neqISO 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 11698-2008, ISO 5752. 1982, MOD) CB/T 3927 Marine casting wall thickness of the valve member

3 Classification and Marking

Type 3.1 As specified type check valve as follows. A type --- flange dimensions and sealing surface of the through-type shutoff valve according to GB/T 569 provisions; Type B --- flanged rectangular cut-off valve size and sealing surface according to GB/T 569 provisions; AS type --- flange dimensions and sealing surface of straight cut-off valve according to GB/T 2501 provisions; Rectangular cut-off valve BS type --- flange dimensions and sealing surface according to GB/T 2501 regulations. 3.2 Basic parameters The basic parameters of the cut-off valve are shown in Table 1. Table 1 Basic parameters cutoff valve Type Nominal pressure PN/MPa Nominal diameter DN/mm A, B 1.0 65 ~ 150 1.6 125,150 2.5 20 ~ 125 AS, BS 0.6 15 ~ 150 1.6 65 ~ 150 2.5 15 ~ 125 ......

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