Marked and certified products Types: flat, blind, threaded, free, sliding, collar, butt-welded or pocket welded, JIC, SAE, semi-flange, CETOP, figure-of-eight discs, bad blind, spectable blind Standards: UNI-EN, DIN, ANSI/ASA B16.5, hydraulic SAE 3000/6000, EN 10204 3.IB - DIN 50049 Materials: carbon steel ASTM A105, stainless steel 304/L - 316/L -