Johnson 4800 Series Pneumatic Air Operated Disc Brakes

The Johnson 4800 Series Pneumatic Air Operated Disc Brakes are engineered for superior performance and reliability in demanding industrial applications. These robust brake units are crafted from high-quality steel and ductile iron, ensuring durability and longevity. Designed to meet diverse application requirements, they feature non-asbestos linings, aluminum shoes, and discs made from either carbon or stainless steel. With options for solid or ventilated discs, and actuation that can be spring or hydraulic set/release, these brakes offer flexibility and precision in operation.

Available in 10 distinct models, the Johnson 4800 Series can be foot or side-mounted, making them adaptable to various installation needs. The brakes are equipped with a single or double actuator offset to either side of the disc, and a mechanism that is free-floating when set and self-centering when released. This design ensures optimal performance in applications such as hoists, winches, conveyors, drives, and processing machines. The series offers a range of customization options, including special alloys, coatings, controls, and custom mountings, allowing for tailored solutions to specific industrial challenges.

The technical specifications of the 4800 Series highlight its impressive capabilities. With a disc thickness of 1.0 inch (25 mm) and a minimum to maximum disc diameter range of 30 to 90 inches (762 to 2286 mm), these brakes deliver a maximum applied force of 39,100 lb (174,000 N) and dynamic torque ranging from 19,600 lb.ft (26,500 Nm) to 68,500 lb.ft (92,900 Nm). Weighing in at a maximum of 327 lb (149 kg), the Johnson 4800 Series is a powerhouse of efficiency and strength, designed to meet the rigorous demands of modern industrial environments.