
Flanged and butt-welding end steel plug valves for the petroleum industry (excluding well-head and flow-line valves).
NORMA vydaná dňa 14.1.1955
Designation standards: BS 1570:1955
Note: NEPLATNÁ
Publication date standards: 14.1.1955
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS