BS EN 558-1 PDF

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 BS EN and BS EN , which are withdrawn.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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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 on the velocity of water flow.

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These normative references are cited at the appropriate places in the text and the publications are listed hereafter. Take the smart route to manage medical device compliance. 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? The origin of the basic series is shown in Annex A informative.

Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. Together with BS EN This type of approval demonstrates full compliance with the requirements of the regulations and bye-laws, provided the fitting is installed according to any conditions given with the approval.

We use cookies to make our website easier to use and to better understand your needs. Various BSI electronic information services are also available which give details on all its products and services. 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.

PN and Class designated valves Status: Elster Water Metering Kent Meters Elster Water Metering formally Kent Meters and now part of Honeywell are an industry leader in the manufacture of water meters, which includes high accuracy mechanical meters, fully electronic water meters and Smart metering solutions for residential, commercial and industrial sectors. Copyright Copyright subsists in enn BSI publications. For PN 25 and PN 40 valves in steel use: In Table 3 to Table 17 the columns of series may be incomplete.


They are commonly referred to as helix meters and are usually used to measure bulk flows. It presents the UK view on standards in Europe and at the international level. For undated references, the latest edition of the publication referred to applies.

The basic series in this standard are taken from the origin series shown in Annex A informative. The valve design incorporates a secondary metal seat in the body, providing the required shutoff should the primary seats be destroyed by fire.

Full bore for minimal headloss ball valve suitable for various applications with the added advantage of being lockable in the open and closed position. 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: Learn more about the cookies we use and how to change your settings.

Your basket is empty. It is incorporated by Royal Charter. This will be indicated in the amendment table on the inside front cover. Please download Chrome or Firefox or view our browser tips. Nach PN und Class bezeichnete Armaturen. 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.

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It is the constant aim of BSI to improve the quality of our products and services. List of references BS EN Test of flow resistance using water as test fluid BS EN Optimum accuracy is maintained whether the meter is installed horizontally, vertically or on an incline. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations.


The overall valve dimensions before assembly shall be provided by the manufacturer. PN and Class designated valves. It also details the test methods and marking provisions. Supplementary requirements BS EN Changes made to the origin ns will b be automatically incorporated into this standard. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those 558-1 have been published as British Standards, unless otherwise requested.

BS EN 558:2008+A1:2011

For each type of valve, the basic bbs to be taken into consideration are given in Table 3 to Table May Replaced By: ENValves — Terminology — Part 1: For best accuracy, they should be installed horizontally. Summary of pages 58-1 document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 22, wn inside back cover and a back cover.

Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Electromagnetic Water Meters The Electromagnetic water meter Mag Meter does not have any moving parts and is ideal for potable and wastewater applications or any dirty liquid which is conductive or water based. Face-to-face dimensions of automatic steam traps are specified in EN For details of these and other benefits contact Membership Administration. Tolerances on dimensions and shape.

BS EN 标准_图文_百度文库

Testing of metallic valves Tests, test procedures and acceptance criteria. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.

Above DNthis series 5581- not apply to full bore ball and plug valves. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.