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 BS EN and BS EN , which are withdrawn.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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Supplementary requirements BS EN 5558-1 European Standard shall be given 558-1 status of a national standard, either by publication of an identical text or by endorsement, at the latest by Apriland conflicting national standards shall be withdrawn at the latest by April Volumetric Positive Displacement Meter Based on the volumetric rotary piston measurement principle, these meters offer the very highest levels of reading accuracy, even at the lowest flow rate.
EN 1 27 – Johnson Valves
This does not preclude the free use, in the course of implementing the standard, bx necessary details such as symbols, and size, type or grade designations. Users of British Standards are responsible for their correct application.
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BS EN 标准_图文_百度文库
PN and Class designated valves. In Table 3 to Table 17 the columns of series may be incomplete.
558- For best accuracy, they should be installed horizontally. Click to learn more. 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 Basic series 7 7 1 1?
BS EN 558-1:1996
Customers who bought this product also bought BS EN Test of flow resistance using water as test fluid BS EN Summary of pages This 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 bbs back cover. 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.
Revisions British Standards are updated by amendment or revision. ENIndustrial valves — Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems — Part 2: The overall valve dimensions before assembly shall be provided by the manufacturer.
For PN 6 swing check valves in steel, use: Testing of metallic valves Tests, test procedures and acceptance vs. List of references BS EN Changes made to the origin series will not be automatically incorporated into this standard. Copyright Copyright subsists in all BSI publications.
BS EN 558:2008+A1:2011
It presents the UK view on standards in Europe and at the international level. It also details the test methods and marking provisions. Tolerances on dimensions and shape.
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. A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.
The faster, easier way to work with standards. For each type of valve, the basic series to be taken into consideration are given in 558-11 3 to Table Industrial valves, valves-and fittings, cocks, flanged valves, metallurgical products, dimensions, generalities English version Industrial valves — Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems Part 1: Contact the Information Centre. Manual lever operated, can be supplied with an wn or pneumatic actuator on request.