
Flanged and butt-welding end steel plug valves for the petroleum industry (excluding well-head and flow-line valves).
NORM herausgegeben am 14.1.1955
Designation standards: BS 1570:1955
Note: UNGÜLTIG
Publication date standards: 14.1.1955
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS