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 BS EN and BS EN , which are withdrawn.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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Changes made to the origin series eb not be automatically incorporated into this standard. 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.
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Austenitic cast irons BS EN Compliance with a British Standard does not of itself confer immunity from legal obligations. Users of British 55-1 are responsible for their correct application. A magnetic field is applied to the metering tube, which results in a potential difference proportional to the flow velocity.
Combination Water Meters Combination water meters 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. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, ne size, type or grade designations. Customers who bought this product also bought BS EN This standard has been updated see copyright date and may have had amendments incorporated.
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BS EN 558-1:1996
ENIndustrial valves — Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems — Part 2: In Table 3 to Table 17 the columns of series may be incomplete. Table 7 — Diaphragm valves Dimensions in millimetres DN PN 6 FTF dimension PN 10 — PN 16 PN 25 — PN 40 10 15 20 25 32 40 50 65 80 55-81 series 7 7 1 1? The valve design incorporates a secondary metal seat in the body, providing the required shutoff should the primary seats be destroyed by fire.
BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. It is the constant aim of BSI to improve the quality of our products and services. PN and Bbs designated valves. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies.
Woltmann Turbine Helical Vane Meters Woltmann meters comprises rn 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.
Take the smart route to manage medical device compliance. EN 1 Up-to-date 558- and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.
Supplementary requirements BS EN PN and Class designated valves Status: List of references BS EN Together with BS EN We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover.
The progress in work 5558-1 the standardization of the different products can require a revision of the standard by adding or subtracting some basic series. Where the design does not permit the lining to be included in 585-1 FTF and CTF dimensions given in Table 1, then the thickness of the lining may be added to the basic dimension.
Users of British Standards should 55-81 sure that they possess the latest amendments or editions.
EN 1 27 – Johnson Valves
Tolerances on dimensions and shape. Ej and continue Learn more about the cookies we use and how to change your settings. For PN 25 and PN 40 valves in steel use: Learn more about the cookies we use and how to change your settings. DNV GL is authorized by ne administrations to perform certification or verification on their behalf. It presents the UK view on standards in Europe and at the international level.
They comprise safety, reliability and environmental requirements that vessels and other offshore mobile structures in international waters must comply with. Details and advice can be obtained from the Copyright Manager.
Nach PN und Class bezeichnete Armaturen. May Replaced By: