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For construction equipment, mining machinery and harsh-duty drivetrain systems. Metal face seals are selected where mud, abrasive particles, corrosive media and high loads make conventional radial lip sealing unreliable. This guide explains the selection and installation logic for Cat Duo-Cone and Heavy Duty Dual Face Seals. 1. Why metal face seals suit harsh-duty equipment A…

Learn how to use a decimal-inch vernier caliper and calculate a 0.001-inch reading for outside, inside, depth and step measurements.

Learn how to use a metric vernier caliper for outside, inside, depth and step measurements, and how to calculate an accurate metric reading.

O-rings, also known as O-ring seals, are rubber rings with a circular cross-section. They are one of the most widely used sealing solutions in hydraulic, pneumatic, and mechanical systems. Thanks to their excellent sealing performance, simple design, and versatility, O-rings can be used for both static and dynamic applications. When the right material is selected, they can handle pressures from vacuum (1.333 × 10⁻⁵ Pa) up to 400 MPa and temperatures ranging from -60°C to 200°C.