21. BS EN 12201-1. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Part 1. General (8th April 2021) 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) ↗
22. BS EN 12201-4. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Part 4. Valves for water supply systems (8th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. BS EN 12201-5. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Part 5. Fitness for purpose of the system (8th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. BS EN 12416-1. Fixed firefighting systems. Powder systems. Part 1. Requirements and test methods for components (6th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (37 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. BS EN 12516-2 AMD1. Industrial valves. Shell design strength. Part 2. Calculation method for steel valve shells (8th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. BS EN 12569. Industrial valves. Valves for chemical and petrochemical process industry. Requirements and tests. (27th August 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. BS EN 1287 AMD1. Sanitary tapware. Thermostatic mixing valves (PN 10). General technical specification. (1st April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. BS EN 12952-8. Water-tube boilers and auxiliary installations. Part 8. Requirements for firing systems for liquid and gaseous fuels for the boiler (24th February 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. BS EN 12953-6. Shell Boilers. Part 6. Requirements for equipment for the boiler (5th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (74 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. BS EN 13077. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B. (4th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (21 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗