61. Specification for non-domestic gas-fired overhead radiant tube heaters. (31st July 1989) 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) ↗
62. Specification. Welded steel boilers for central heating and indirect hot water supply (rated output 44 kW to 3 MW). (28th September 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
63. Tracked Changes. Building valves. Expansion groups. Tests and requirements. (7th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (78 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
64. Tracked Changes. Building valves. Expansion valves. Tests and requirements. (7th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
65. Tracked Changes. Cryogenic vessels - Pressure-relief accessories for cryogenic service. Reclosable pressure-relief valves Part 1, (27th April 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
66. Tracked Changes. Gas cylinders. Cylinder valves. Threads for connection of valves to gas cylinders. Specification Part 1, (30th April 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (154 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
67. Tracked Changes. High-voltage switchgear and controlgear. Gas-filled compartments of AC switchgear and controlgear with rated voltages above 1 kV up to and including 52 kV. (28th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
68. Tracked Changes. Safety and control devices for burners and appliances burning gaseous and/or liquid fuels. Valve proving systems for automatic shut-off valves. (29th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (114 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
69. Tracked Changes. Safety and control devices for burners and appliances burning gaseous or liquid fuels. Control functions in electronic systems. Methods for classification and assessment. (7th February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (108 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
70. Tracked Changes. Safety and control devices for oil burners and oil-burning appliances. Particular requirements. Automatic and semi-automatic valves Part 1, (3rd May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (132 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗