We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Specification for railway turnouts for private users. Heavy grade turnouts over which British Railways locomotives do not operate, for axle loads which may exceed 25 tons, using flat bottom rails.
STANDARD published on 30.4.1975
Designation standards: BS 4521-4:1975
Note: WITHDRAWN
Publication date standards: 30.4.1975
SKU: NS-67888
The number of pages: 50
Approximate weight : 150 g (0.33 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-01-19 (Number of items: 2 257 233)
© Copyright 2026 NORMSERVIS s.r.o.