Product Details for Water Cooled Brake (WCB)

Available Models

WCB Series: WCB2, WCBD, and WCB3 models with external cooling disc brakes.

• WCS Series: Externally cooled, spring-applied brakes.
• WCSB Series: Combines water-cooled and air-cooled disc brakes in one unit.
• Specific Models: 108WCB to 448WCB (including 114, 118, 124, 136, 148 series and multi-disc variants).

WCB2/WCBD/WCB3 Series Features

• High Coefficient Linings for increased torque.
• Dual Piston Design for enhanced control.
• Compatible with open and closed-loop coolant systems.
• Thermal Capacity: Up to 5,200 HP (3,878 kW).
• Torque Capacity: Up to 1,180,000 lb-in (133,322 Nm).

WCSB Series

• Integrated package for dynamic tensioning, static holding, and emergency stops.
• Copper alloy surfaces to eliminate stick-slip characteristics.
• Thermal Capacity: Up to 3,900 HP (2,908 kW).
• Torque Capacity: Up to 5,548,000 lb-in (626,369 Nm).

• Hydraulic or pneumatic actuation options.
• Various clutch configurations available.
• Spring-applied with hydraulic or pneumatic release.
• Full marine corrosion protection package.
• Type approval certifications in DNV and ABS.

Key Applications

• Drawworks and Mooring winches
• Dynamometers and Paper mills
• Tension brakes and Unwind stands

• Support ring segments
• Backplate water jacket
• Copper wear plate
• Drive plate & Hub
• Friction disc & Airtube
• Release spring
• Floating water jacket
• Pressure plate

What are Water-Cooled Brake Systems?

A water-cooled brake disc consists of a central and stationary aluminum cooling plate with an internal chamber that circulates water coolant. Cast iron sectors mounted on opposite sides allow contact from friction material to slow down shafts. This design efficiently absorbs and dissipates braking heat, mitigating the risk of overheating during continuous operation.

When are Water-Cooled Brakes Necessary?

Traditional air-cooled braking systems may not suffice in heavy machinery due to insufficient airflow. Water has a higher density and faster heat transfer rate compared to air, making water-cooled brakes a more effective solution for applications where space is limited and optimal cooling is required.