21. Specification for piping systems for petroleum refineries and petrochemical plants. (31st March 1981) 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) ↗
22. Specification for steel ball valves for the petroleum, petrochemical and allied industries. (31st January 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Specification for steel globe valves, globe stop and check valves and lift type check valves. (31st July 1989) 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) ↗
24. Specification for the use of structural steel in building. Imperial units Part 1, (31st March 1976) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (125 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Specification for vessels for use in heating systems. Tubular heat exchangers and storage vessels for building and industrial services Part 2, (15th March 1996) 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) ↗
26. Structural use of steelwork in building. Specification for materials, fabrication and erection: hot rolled sections Part 2, (30th November 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Tracked Changes. Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement. (28th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (92 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗