Types of Mechanical Seals

The 4 most common mechanical seals

Mechanical seal types vary in design, setup, and how they disperse the hydraulic forces acting at their faces.

The most common design types are Rubber Diaphragm, Rubber Bellows, O-Ring Mounted & PTFE Wedge. Whilst, other common variations include balanced and unbalanced, pusher and non-pusher, single spring and multi-spring.

Below we take a deeper look at each of these mechanical seal design types, whilst also covering the variations mentioned.

rubber diaphragm
Rubber Diaphragm
o-ring mounted
O-Ring Mounted
ptfe wedge
PTFE Wedge
rubber bellows
Rubber Bellows