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BS EN 331:1998+A1:2010 Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings

Other Titles Withdrawn Abstract This European Standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking requirements. It applies to metallic valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 × 105 Pa, 0,5 × 105 Pa and 5 × 105 Pa. NOTE "Not directly buried" within the context of this standard means that valves below ground are not in direct contact with earth or other materials e.g. that they are in a protected encasement.

Contributor(s): NI - Data Entry Person Primary Item Type: British Standard Identifiers: ISBN 978 0 580 75158 5 ICS 23.060.20 Ball and plug valves Standard Number BS EN 331:1998 Language: English Subject Keywords: Flow measurement; Steels; Dimensions; Joints; Leak tests; Marking; Torsion testing; Environment (working); Cast-iron; Domestic First presented to the public: 6/15/1998 Original Publication Date: 1/10/2024 Previously Published By: British Standards Institution Place Of Publication: London, United Kingdom Citation: Extents: Number of Pages - 18 License Grantor / Date Granted:   / ( View License ) Date Deposited 2024-01-12 14:45:17.067 Submitter: Nor Hayati Ismail

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