RB60 [Rubber Bellow Mechanical Seal (Equivalent to John Crane 21 Type)]
RB50 [Rubber Bellow Mechanical Seal (Equivalent to John Crane 2100 Type)]
RB40 [Rubber Bellow Mechanical Seal (Equivalent to John Crane 502 Type)]
RB30 [Rubber Bellow Mechanical Seal (Equivalent to Eagle Burgmann MG13 Type)]
RB20 [Rubber Bellow Mechanical Seal (Equivalent to Eagle Burgmann MG12 Type)]
RB10 [Rubber Bellow Mechanical Seal (Equivalent to Eagle Burgmann MG1 Type)]
