Specification for threads for light gauge copper tubes and fittings.
NORMA vydaná dňa 31.12.1969
Označenie normy: BS 61:1969
Dátum vydania normy: 31.12.1969
Počet strán: 20
Približná hmotnosť: 60 g (0.13 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Threads for use with tubes and fittings to BS 66 & 99, BS 1306 and BS 2871:Part 2, for which threads to BS 21 are not suitable or cannot be utilized due to the thickness being insufficient. Status: Confirmed