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GB/T 587-2008: Marine bronze flanged stop valves
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 587-2008	English	209	Add to Cart	3 days [Need to translate]	Marine bronze flanged stop valves
GB/T 587-1993	English	279	Add to Cart	3 days [Need to translate]	Marine bronze flanged stop valves

GB/T 587-2008: Marine bronze 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 bronze flanged stop valves ICS 47.020.30 U52 National Standards of People's Republic of China Replacing GB/T 587-1993 Marine flange Bronze globe valve Posted 2008-10-20 2009-04-01 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 587-1993 "Marine flange Bronze globe valve" amendment. This standard and GB/T 587-1993 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 attachment points Technical Committee. 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 587-1965, GB 587-1976, GB 587-1984, GB/T 587-1993. Marine flange Bronze globe valve

1 Scope

This standard specifies the flange connection dimensions according to GB/T 569, GB/T 2501 Marine bronze flanged shut-off 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 shut-off 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 (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 position) 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, Metal valvesforuseinflangedpipesystems-Face-to-faceandcenter-to-facedimensions, MOD) CB/T 3927 Marine casting wall thickness of the valve member

3 Classification and Marking

Type 3.1 Shut-off valve type provides as follows. A straight-through type --- Flanged globe valve size and sealing surface 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 the straight-through shut-off valve according to GB/T 2501 provisions; Right Angle stop valve BS type --- flange dimensions and sealing surface according to GB/T 2501 regulations. 3.2 Basic parameters The basic parameters of shut-off valves are shown in Table 1. Table 1 Basic parameters shutoff valve Type Nominal pressure PN/MPa Nominal diameter DN/mm A, B 1.0 65 ~ 150 1.6 125 to 150 2.5 20 ~ 125 ...