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QFB Model Spring Engaged Brake Element

964084

QFB Model Spring Engaged Brake Element
Item #101972540
  • Spring Actuated, Air Return
  • Standard Coefficient Facing
  • 594.00 hp Peak Thermal Input
  • 80.0 psi Max Pressure
  • 1,100 rpm Max
  • 67,200 in lb Max Static Brake Torque
  • Open
  • Model QFB-2200
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QFB Model Spring Engaged Brake Element
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    Shipment Options
  • Spring Actuated, Air Return
  • Standard Coefficient Facing
  • 594.00 hp Peak Thermal Input
  • 80.0 psi Max Pressure
  • 1,100 rpm Max

applications

  • Heavy-duty industrial applications requiring high torque and low inertia

features

  • Hub provided loose for machining
  • Spring engaged
  • Quad interface
  • Shaft mounted
  • Straight bore
  • Brake with up to 164,800 in lb of torque
  • Air is supplied directly at cylinder air inlets
  • Air released
  • Available in disc sizes from 11.500" to 25.000"
  • Available with either standard or high coefficient friction facings
  • Bore sizes range up to 6.000"
  • Four interface surfaces
  • O-ring sealed piston and cylinder design reduces maintenance costs
  • Rugged design ensures long product life
  • Speeds up to 2,200 rpm
  • Spring-engaged
  • Static torque ratings up to 164,800 in lb
  • Thermal horsepower values up to 14.7
  • Through-shaft or shaft-end mounted

caution

  • In certain circumstances, tooth clutches can be engaged at differential speeds
  • Not intended for use in most cyclic applications or high speed engagement
  • Tooth clutches are normally engaged when stationary
Bushing Type Unfinished Pilot Bore
Type Element
Approximate Brake Facing Life In Work Energy 5.299552e+010 lbf ft
Inside Dia. N/A
Brake Facing Edge Color Code Red
Maximum Brake Continuous Thermal Dissipation 14.1 hp
Product Category Shaft Mounted Spring Engaged Brakes
Brake Peak Thermal Input Rate 594 hp
Main Category Brakes
Actuation/Return Spring/Air
Approximate Brake Facing Life 27850 hp-hr
Brake Heat Sink Capacity 2374000 lbf ft
Bore Style Unfinished Pilot Bore
Bushing Series RSB
Model QFB-2200
Open Or Enclosed Design Open
Photo DFB
Recommended Control Kits 940019, 940020
Bore Range [Min] 3 in
Control Accessories 170012, 170013, 170014, 170017, 170020, 170021, 170023, 170024, 939101, 939201, 939400, 940001, 940425, 945125
Brake Facing Type Standard Coefficient
Maximum Pressure 80 psi
Kits 964023, 964034
Manufacturer Family Model QFB 2200-S, Quad Faced, Spring Engaged, Plate Brake, Model QFE 2200-S Quad Faced Plate Brake
Brake Facing Effective Area 660 in2
Finish Black Oxide
Family Name Multiplate Brakes
Maximum Static Brake Torque 67200 in lb
Port or Hose Size 0.500 NPT
Bore Range [Max] 6.5 in
Weight 682.0 LB
EAN or UPC 662284169806
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