
Flanged cast iron gate valves, Classes 125 and 250 for the petroleum industry.
NORMA vydána dne 10.5.1951
Designation standards: BS 1735:1951
Note: NEPLATNÁ
Publication date standards: 10.5.1951
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS