1. Specification for ballvalves (excluding floats). Piston type Part 1, (26th November 1959) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (35 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Float operated valves. Specification for piston type float operated valves (copper alloy body) (excluding floats) Part 1, (29th June 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (37 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗