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BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
Devices with moving parts for the prevention of contamination of water by backflow. Specification for check valves of nominal size up to and including DN 54.
WITHDRAWN published on 30.11.1982
Selected format:Devices with moving parts for the prevention of contamination of water by backflow. Specification for terminal anti-vacuum valves of nominal size up to and including DN 54.
WITHDRAWN published on 30.11.1982
Selected format:Devices with moving parts for the prevention of contamination of water by backflow. Specification for in-line anti-vacuum valves of nominal size up to and including DN 42.
WITHDRAWN published on 30.11.1982
Selected format:Devices with moving parts for the prevention of contamination of water by backflow. Specification for combined check and anti-vacuum valves of nominal size up to and including DN 42.
WITHDRAWN published on 30.11.1982
Selected format:Building intercom systems. System requirements. General.
WITHDRAWN published on 31.12.2016
Selected format:Electric welding equipment. Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz). Resistance welding equipment.
WITHDRAWN published on 26.2.2018
Selected format:Tracked Changes. Electric welding equipment. Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz). Resistance welding equipment.
WITHDRAWN published on 26.2.2020
Selected format:Surface cleaning appliances. Floor treatment machines with or without traction drive, for commercial use. Methods of measuring the performance.
WITHDRAWN published on 31.10.2014
Selected format:Safety devices for use in hot water systems. Specification for expansion valves for pressures up to and including 10 bar.
WITHDRAWN published on 30.11.1982
Selected format:Safety and control devices for use in hot water systems. Specification for expansion valves for pressures up to and including 10 bar.
WITHDRAWN published on 28.6.1991
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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