This British Standard is the UK implementation of EN It supersedes. BS EN and BS EN , which are withdrawn. EN Industrial valves, Face-to-face and centre-to-face. Dimensions of Series 2: DIN /F2, SeriesANSI B BS , Series ANSI B Date Comments BS EN Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 23 GMT+

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Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.

ENIndustrial valves — Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems — Part 1: Please contact sales with your requirements. The valve design incorporates a secondary metal seat in the body, providing the required shutoff should the primary seats be destroyed by fire. Various BSI electronic information services are also available which give details on all its products and services.

BS EN 标准_图文_百度文库

They comprise safety, reliability and environmental requirements that vessels and other offshore mobile structures in international waters must comply with. Nach PN und Class bezeichnete Armaturen. Summary of pages 5581 document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 22, an inside back cover and a back cover. Users of British Standards should make sure that they possess the latest amendments or editions. Revisions British Standards are updated by amendment or revision.

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Woltmann Turbine Helical Vane Meters Woltmann meters comprises of a rotor with helical blades inserted axially in the flow, much like a ducted fan; they can be considered a type of turbine flow meter. You may find similar items within these categories by selecting from the choices below:. ENValves — Terminology — Part 1: PN and Class designated valves.

EN 1 27 – Johnson Valves

Austenitic cast irons BS EN Learn more about the cookies we use and how to change your settings. For each type of valve, the basic series to be taken into consideration are given in Table 3 to Table Copyright Copyright subsists in all BSI publications.

In Table 3 to Table 17 the columns of series may be incomplete. EN was produced as the result of international discussions in which the United Kingdom took an active part.

Above DNthis series does not apply to full bore ball and plug valves. PN and Class designated valves Status: They are commonly referred to as helix meters and are usually used to measure bulk flows.

Combination Water Meters Combination water 58-1 comprises of a bulk Woltmann insert and a low-flow Volumetric insert or meter, flow is diverted between them by a by-pass valve that is set at a predetermined flow rate. Details and advice can be obtained from the Copyright Manager. Products A to Z.

Multi-Jet Warm Water Meter Multi-jet meters use multiple ports surrounding an internal chamber to create multiple jets of water against an impeller, whose rotation speed depends bss the velocity of water flow. For PN 6 swing check valves in steel, use: If permission is granted, the terms may include royalty payments or a licensing agreement. This standard has been updated see copyright date and may have had amendments incorporated. Supplementary requirements BS EN bd It is incorporated by Royal Charter.

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For undated references, the latest edition of the publication referred to applies. Users of British Standards are responsible for their correct application. ENIndustrial valves — Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems — Part 2: Your basket is empty. The progress in work in the standardization of the different products can require a revision of the standard by adding or subtracting some basic series.

Tolerances on dimensions and shape. Accept and continue Learn more about the cookies we use and how to change your settings. Definitions of types of valves. A magnetic field is applied to the metering tube, which results in a potential difference proportional to the flow velocity. DNV GL is authorized by maritime administrations to perform certification or verification on their behalf. Contact the Information Centre.

Compliance with a British Standard does not of itself confer immunity from legal obligations.

BS EN 558:2008+A1:2011

This will be indicated in the amendment table on the inside front cover. Take the smart route to manage medical device compliance. For PN 25 and PN 40 valves in steel use: Testing of metallic valves Tests, test procedures and acceptance criteria.