ALL FLANGES UNLESS NOTED ARE MADE FROM 3/8" LASER CUT MATERIAL. MADE LOCALLY HERE IN CLACKAMAS COUNTY USA.
ALL GASKETS ARE MADE OF 1/8"GRAPHITE MATERIAL WITH A STAINLESS STEEL ANTI/BLOWOUT SHIM IN BETWEEN THE 2 LAYER GASKET. THESE GASKETS CAN WITHSTAND UP TO 3000 DEGREES F.