ISO500 (LF500 NW500) Series:
ISO500 Centering Rings
100°C Max - Buna-N (Nitrile)
200°C Max - Silicone
200°C Max - Viton (FKM)
ISO500 Centering Ring with Aluminum Outer Ring
(Spacer Ring) - High Vacuum Hardware
Fits ISO500 High Vacuum Flange Equivalents:
ISO-500, LF500, NW500, NW-500, Large Flange,
ISO-LF, ISO-K, ISO-MF
Fits ISO-B500 High Vacuum Flange Equivalents
ISO-F, ISO-LFB, ISOB-500, ISOB500, ISO500-F
LFB500, NW500, NW-500, Bolted Large Flange