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  • BSI
    BS EN 331:2015 Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
    Edition: 2015
    $500.66
    / user per year

Description of BS EN 331:2015 2015

1.1 This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking provisions.

It applies to metallic valves not directly buried for domestic and commercial 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 × 10 5 Pa, 0,5 × 10 5 Pa, 1 × 10 5Pa, 5 × 10 5 Pa and 20 × 10 5Pa and with temperature limits from – 5 °C or −20 °C to + 60 °C.

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.

1.2 Valve nominal sizes ( DN) covered by this European Standard are as follows: 6, 8, 10, 12, 15, 20, 25, 32, 40, 50, 65, 80, 100.



Standard NumberBS EN 331:2015
TitleManually operated ball valves and closed bottom taper plug valves for gas installations for buildings
StatusConfirmed
Publication Date2015-12-31
ReplacesBS EN 331:1998+A1:2010
Identical National Standard OfEN 331:2015
DescriptorsSize, Instructions for use, Testing conditions, Damp-heat tests, Service pressure, Bend testing, Endurance testing, Classification systems, Gas supply, Cast-iron, Test equipment, Thermal testing, Installation, Environment (working), Dimensions, Joints, Energy supply systems (buildings), Packaging, Environmental testing, Torque, Manually-operated devices, Flow rates, Copper alloys, Durability, Torsion testing, Scratch tests, Ratings, Valves, Leak tests, Marking, Flow measurement, Plug valves, Performance, Thickness, Temperature, Domestic, Seals, Low-temperature testing, Ball valves, Gas valves, Steels
ICS23.060.20 Ball and plug valves
CommitteeGSE/42
ISBN978 0 580 82225 4
PublisherBSI
Pages50

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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