Source DIN pn10 dn80 flange titanium alloy gost 12820-80 flange,4 inch flange hot sale in stock supplier factory directly selling baoji on m.alibaba.com
FLANGIA PIANA A SALDARE DN80 PN10 EN1092-1
Flange PN10 piane EN1092-1/01B in acciaio inox 304 | Zetamec