DD Direct Coupled type (compact design)
DE Flush diaphragm, sanitary type
DG – Heavy duty mini seal
DH Sanitary seal (clamp type)
DJ – Direct flanged flushed type
DK – Direct flanged insert type
DM – Wafer (pan cake type)
DN – Pulp seal (floating ring type)
DO – Slip ring coupled type
DO – Slip ring coupled type