41. BS EN 15502-1. Gas-fired heating boilers. Part 1. General requirements and tests (24th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (217 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
42. BS EN 16908 AMD1. Cement and building lime. Environmental product declarations. Product category rules complementary to EN 15804. (4th February 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
43. BS EN 1854. Safety and control devices for burners and appliances burning gaseous and/or liquid fuels. Pressure sensing devices for gas burners and gas burning appliances. (16th November 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
44. BS EN 2559. Aerospace series. Carbon, glass and aramid fibre preimpregnates. Determination of the resin and fibre content and the mass of fibre per unit area. (22nd 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) ↗
45. BS EN 286-1. Simple unfired pressure vessels designed to contain air or nitrogen. Part 1. Pressure vessels for general purposes (24th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (83 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
46. BS EN 286-2. Simple unfired pressure vessels designed to contain air or nitrogen. Part 2. Pressure vessels for air braking and auxiliary systems for motor vehicles and their trailers (24th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (49 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. BS EN 286-3. Simple unfired pressure vessels designed to contain air or nitrogen. Part 3. Steel pressure vessels designed for air braking equipment and auxiliary pneumatic equipment for railway rolling stock (24th October 2019) 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) ↗
48. BS EN 286-4. Simple unfired pressure vessels designed to contain air or nitrogen. Part 4. Aluminium alloy pressure vessels designed for air braking equipment and auxiliary pneumatic equipment for railway rolling stock (11th November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (53 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. BS EN 3-8. Portable fire extinguishers. Part 8. Requirements for the construction, pressure resistance and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar, which comply with the requirements of EN 3-7 (18th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. BS EN 308. Heat exchangers. Test procedures for establishing performance of air to air and flue gases heat recovery devices. (28th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (83 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗