Mechanical face seals

Mechanical face seals, also known as heavy-duty seals, duo cone seals, or floating seals, are highly durable sealing solutions used in extreme operating conditions. These seals are specifically designed for rotating applications exposed to heavy loads, abrasive media, high pressure, and extreme temperatures—such as in construction equipment, mining machinery, agricultural vehicles, tracked machines, and tunnel boring machines.

A mechanical face seal typically consists of two metal seal rings (usually made of cast iron or bearing steel) that rotate against each other, and two elastomeric O-rings or toric rings that act as secondary sealing elements and provide axial flexibility. The metal rings create a precision-machined sealing interface that resists wear and maintains a tight seal under challenging conditions.

Key features:

• Exceptional resistance to dirt, dust, mud, and water

• Long service life in highly abrasive environments

• High load and pressure capability

• Suitable for applications with limited lubrication

• Reliable performance in submerged or contaminated environments

Mechanical face seals are commonly used in track rollers, final drives, gearboxes, pumps, axles, and other heavy-duty applications requiring robust and maintenance-free sealing solutions.