481. Tracked Changes. Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE). Valves Part 4, (21st February 2022) 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) ↗
482. Tracked Changes. Pneumatic fluid power. Directional control valves. Measurement of shifting time. (27th February 2023) 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) ↗
483. Tracked Changes. Pneumatic fluid power. Electro-pneumatic pressure control valves. Main characteristics to include in the supplier's literature Part 1, (23rd May 2022) 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) ↗
484. Tracked Changes. Pneumatic fluid power. Electro-pneumatic pressure control valves. Test methods to determine main characteristics to include in the supplier's literature Part 2, (9th December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (100 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
485. Tracked Changes. Refrigerating systems and heat pumps. Valves. Requirements, testing and marking. (10th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (268 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
486. Tracked Changes. Road vehicles. Liquefied natural gas (LNG) fuel system components. Pressure relief valve (PRV) Part 7, (13th October 2021) 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) ↗
487. Tracked Changes. Safety and control devices for burners and appliances burning gaseous or liquid fuels. Control functions in electronic systems. Temperature Control function. (23rd May 2022) 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) ↗
488. Tracked Changes. Safety and control devices for gas burners and gas burning appliances. Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa. (1st December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (118 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
489. Tracked Changes. Safety and control devices for gas burners and gas-burning appliances — Particular requirements. Part 8: Multifunctional controls Part 8, (31st May 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (86 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
490. Tracked Changes. Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 9: Mechanical gas thermostats Part 9, (7th August 2022) 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) ↗