Page 10 of Flange Manufacturer China
4inch Flange RF/WN CS A105N B16.5 150# S-40 BW
FLANGE WN 2" 600# RF SCH 40S SS A182-F316L
FLANGE SLIP ON STAINLESS STEEL 321 ASTM A182 GRADE 321 SOLUTION HEAT TREATED RF PN 16 DN65
ASTM A105/F304/F316 Material Spectacle Blinds with PTFE Coating Options