BS EN 558-1 PDF

14 Dec 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 BS EN and BS EN , which are withdrawn.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 Buy BS EN INDUSTRIAL VALVES – FACE-TO-FACE AND CENTRE -TO-FACE DIMENSIONS OF METAL VALVES FOR USE IN FLANGED PIPE.

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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. Products A to Z. 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.

The valve design incorporates a secondary metal seat in the body, providing the required shutoff should the primary seats be destroyed by fire.

Testing of metallic valves Tests, test procedures and acceptance criteria. May Replaced By: DNV GL is authorized by maritime administrations to perform certification or verification on their behalf.

Learn more about the cookies we use and how to change your settings. Austenitic cast irons BS EN Document Status Indicators The Green document status indicator indicates that the document is: Amends and replaces BS EN For best accuracy, bbs should be installed horizontally. Take the smart route to manage medical device compliance. Search all products by. 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.


BS EN 标准_图文_百度文库

Nach PN und Class bezeichnete Armaturen. Find Similar Items This product falls into the following categories. Worldwide Standards We can source any standard from anywhere in the world. PN and Class designated valves.

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Free to use BIM project management tool provides step-by-step help to define, manage and validate responsibility for information development and delivery at each stage of the asset life 558- in level 2 BIM projects. Manual lever operated, can be supplied with an electric or pneumatic actuator on request.

You may experience issues viewing this site in Internet Explorer 9, 10 or They comprise safety, reliability and environmental requirements that vessels and other offshore mobile structures in international waters must comply with. Please enn Chrome or Firefox or view our browser tips.

ISO Pad Mount for Actuator Operation The top flange and drilling to ISO specifications offer the widest possible selection of actuation options, as well as direct mount of pneumatic actuators and accessories. Superseded by BS EN 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.

DNV-GL Type Approved Product Classification, verification, risk management, sb technical advisory to the maritime industry on safety, enhanced performance, fuel efficiency, etc.

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 e liquid which is conductive or water based. Tolerances on dimensions and shape BS EN Customers who bought this product also bought BS EN Full bore for minimal headloss ball valve suitable for various applications with the added advantage of being lockable in the open and closed position.


Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe wn.

EN 1 27 – Johnson Valves

Please contact sales with your requirements. The Amber document status indicator indicates that some caution is needed when een this document – it is either: Click to learn more. Optimum accuracy is maintained whether the meter is installed horizontally, vertically or on an incline. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

A magnetic field is applied to the metering tube, which results in a potential difference proportional to the flow velocity.

BS EN 558:2008+A1:2011

Supplementary requirements BS EN We use cookies to make our website easier to use and to better understand your needs. The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS. PN and Class designated valves Status: Test of flow resistance using water as test fluid. Partially supersedes BS Again there may be more recent versions of the document.

Cover dimensions of basic series, tolerances, and dimensions for these valves: