3291. Tracked Changes. High-Voltage switchgear and controlgear. Insulating pressurised partitions for gas filled metal enclosures. (17th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3292. BS EN 2350. Aerospace series. Circuit breakers. Technical specification. (16th March 2023) 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) ↗
3293. Railway applications. Straight and angled end cocks for brake pipe and main reservoir pipe. (22nd March 2023) 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) ↗
3294. Tracked Changes. Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A. (20th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (90 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3295. Cast irons. Materials and properties for design Part 1, (20th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (72 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3296. BS EN IEC/IEEE 60079-30-2. Explosive atmospheres. Part 30-2. Electrical resistance trace heating. Application guide for design, installation and maintenance (21st March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (79 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3297. Anaesthetic and respiratory equipment. Voice prostheses. (20th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3298. Tracked Changes. Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems. (13th March 2023) 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) ↗
3299. Safety of machinery. Electro-sensitive protective equipment. Particular requirements for active opto-electronic protective devices responsive to diffuse Reflection (AOPDDR) Part 3, (19th February 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (96 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3300. Tracked Changes. Gas Infrastructure. Gas installation pipework with an operating pressure greater than 0, 5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations. Detailed functional requirements for design, materials, construction, inspection and testing Part 1, (15th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (324 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗