Pipe Fittings Direct. 10 x 4 inch class 150 carbon steel threaded reducing flange
FLANGIA 4 FORI ATTACCO 1'' PER TUBO IN FERRO ZINCATO
10 Pz Flangia DN20 4 fori Flangia Base Hardware Strumento 3/4 '' British Vite Filettatura Mobili FAI DA TE Scaffalature Flange Tubi Industriali : Amazon.it: Fai da te
4" Stainless Steel Lap Joint Flange 150# 304/304L A/SA182
4" Carbon Steel NPT Threaded Flange (Black Steel), Class 150