Carlisle Brake & Friction Carlisle Brake & Friction
F4 SERIES SERVICE BRAKE

F4 SERIES SERVICE BRAKE

The Carlisle Brake & Friction F4 Series Service Brakes are hydraulically actuated, four-piston, disc brakes with retracting springs and automatic adjusters. These brakes are typically bolted to the armature shaft of an electric wheel motor equipped with either a 20" or 25" diameter disc.

Additional Product Details

  • Piston housings constructed from ductile iron casting for superior brake durability
  • Equipped with Carlisle premium asbestos-free linings, providing superior stopping performance and life
  • Optional seal materials available for compatibility with all actuation fluids and temperatures
  • Modular piston design for easy serviceability
  • Piston insulators are standard to protect brake components from heat transfer

Technical Specifications

Caliper Material Steel and ductile iron
Disc Diameter Range 18.0 in to 25.0 in (457.2 mm to 635.0 mm)
Disc Thickness 1 in / 25.4 mm
Displacement per Brake 2.8 in³ (45.9 cm³)
Lining Area per Brake 94.0 in² (606.5 cm²) - 110.0 in² (709.7 cm²)
Lining Material Carlisle premium asbestos-free
Maximum Pressure 1500 psi / 103.42 bar
Mounting Attitude Any position
Number of Pistons 4
Final Assembly Weight 120.0 lbs (54.4 kg) - 122.0 lbs (55.3 kg)

Recommended Related Products

Normal Brake Usage
Brake Location
Actuation


Actuation Fluid
All gear reduction between the brake location and the vehicle ground contact.
2% standard unless otherwise specified.
Maximum pressure available at brake input.
Dynamic (Rdvn)
0% will be used unless otherwise specified.
0.5 is typical ground coefficient for unmaintained loose earth.
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