single seal, unbalanced, independent of direton of rotation
design standard：ISO3069 DIN24960 EN12756 ANSI B73.1 M-1991
Innovative bellows design is pressure-supported and will not crease or fold under high pressure.
Non-clogging, single-coil spring keeps seal faces closed and properly tracking during all phases of operation.
Positive drive through interlocking tangs will not slip or break free during upset conditions.
Available in the widest array of material options, including high performance silicon carbides.