The Centering Ring with O-Ring model no. EV02022 is available in the ISO size 80, having dimensions 81,82.6,8,3.9 respectively.The Centering Ring is manufactured in 304 stainless steel and O'Ring is composed of Viton.
ISO Flange Series are made of two smooth face flanges clamped together with a blend of metal centering rings, and elastomeric O-Rings.Flanges and seals are designed to be tightened to metal to metal contact.