The Blank-Off Flanges are available in the following sizes: ISO 63, ISO 80, ISO 100, ISO 160, ISO 200, ISO 250, ISO 320, ISO 400, ISO 500. The Blank-Off Flanges are made out of 304 Stainless Steel. ISO Flange Series are comprised of two smooth face flanges clamped together with a combination of metal centering rings, and elastometric O-Rings.
