These seals have shaft protection over the entire seal length. The special bellows design protect the seal face during installation. It is insensitive to shaft deflections due to large axial movement ability. Also suitable for low-end sterile applications.
MG-12 offers same dimensions, items and designations as MG1, but also provides an extended bellows tail to achieve the fitting length. MG-13 provides even longer extended bellows tail than MG-12 to cover long shafts.