Used to center and seal two flanges, in standard NW, KF and ISO sizes, centering ring flange fittings provide reliable vacuum seals within critical semiconductor environments.
PPE centering rings are available in both aluminum and stainless steel, and can be combined with O-ring materials commonly used in semiconductor wafer processing systems. PPE O-ring materials include:-
- FKM - up to 250°C (482°F)
- Nanofluor® - ultra-high purity, up to 260°C (500°F)
- Kimura® - high purity, up to +300°C (572°F)
- Perlast® FFKM - high purity, aggressive media, up to 325°C (617°F)
Trapped centering adaptors are available on request.