1. BS EN 13433. Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A. (30th April 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS EN 13434. Devices to prevent pollution by backflow of potable water. Mechanical disconnector, hydraulic actuated. Family G, type B. (30th April 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN 558. Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valves. (17th September 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (57 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. BS EN ISO 15761. Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries. (13th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Building valves. Expansion groups. Tests and requirements. (1st June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Devices to prevent pollution by backflow of potable water. Hose Union anti-vacuum valves. DN 15 to DN 25 inclusive Family H, type B and type D. General technical specification. (6th July 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A. (6th July 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A. (13th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Devices to prevent pollution by backflow of potable water. Mechanical disconnector, flow actuated. Family G, Type B. (18th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. 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 Part 1, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗