21. Gas governors. Specification for pressure governors with nominal connection size up to 50 mm for gas appliances with inlet pressure up to and including 200 mbar Part 1, (30th October 1987) 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) ↗
22. Reciprocating internal combustion engines: performance. Specification for overspeed protection Part 6, (31st December 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Industrial-process control valves. Dimensions. Face-to-face dimensions for rotary control valves except butterfly valves Part 3-2, (28th September 2001) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Industrial-process control valves. Noise considerations. Control valve aerodynamic noise prediction method Part 8-3, (15th December 2000) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Programmable controllers. Communications Part 5, (1st June 2001) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (110 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Low-voltage switchgear and controlgear. Controller and device interface systems. Actuator sensor interface (AS-i). (15th November 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (82 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Industrial-process control valves. Mounting details for attachment of positioners to control valves. Positioner mounting on rotary actuators Part 6-2, (1st June 2001) 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) ↗
28. Traffic signal controllers. Functional safety requirements. (15th February 2001) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. Specification for powered domestic lifts with partially enclosed cars and no lift-well enclosures. (15th August 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. Low-voltage switchgear and controlgear. Controller-device interfaces (CDIs). Actuator sensor interface (AS-i) Part 2, (17th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (228 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗