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- Air Actuated, Spring Release
- Standard Coefficient Facing
- 408.00 hp Peak Thermal Input
- Flange Mount Drive Arrangement
- 80.0 psi Max Pressure
applications
- Heavy-duty industrial applications requiring high torque and low inertia
features
- The hub for this product is provided loose for machining
- Air engaged
- Quad interface
- Shaft mounted
- Straight bore
- Rugged design ensures long product life
- Bore range up to 6.500"
- Horizontal shaft-end mounted clutch element mounts to a customer-supplied flywheel, gear, or pulley
- Maximum operating sped up to 1,600 rpm
- Quad-faced
- Sealed O-ring piston and cylinder design reduces maintenance costs
- Shaft-end mount clutch
- Sheaves sold separately
- Single disc assembly
- Static torque ratings up to 302,000 in lb at 80 psi
- Thermal horsepower values up to 14.7 at 900 rpm
- Through-shaft or shaft-end mount brake
caution
- Tooth clutches are normally engaged when stationary
options
- Air union bracket assembly includes flexible hose
- Double-disc assemblies available in four disc sizes
- Standard coefficient friction linings
| Maximum Static Clutch Torque | 72000 in lb |
| Bore Range [Min] | 2 in |
| Drive Arrangement | Flange Mount |
| Open Or Enclosed Design | Open |
| Approximate Clutch Facing Life | 19150 hp-hr |
| Actuation/Return | Air/Spring |
| Clutch Peak Thermal Input Rate | 408 hp |
| Overall Length | 15.6 in |
| Clutch Facing Edge Color Code | Red |
| Bore Style | Unfinished Pilot Bore |
| Clutch Air Chamber Volume When New | 19.53 in3 |
| Clutch Facing Type | Standard Coefficient |
| Maximum Pressure | 80 psi |
| Finish | Black Oxide |
| Control Accessories | 170012, 170013, 170014, 170017, 170020, 170021, 170023, 170024, 939101, 939201, 939400, 940001, 940425, 945125 |
| Drive Inertia | 90.5 lb ft2 |
| Clutch Air Chamber Volume When Worn Out | 93 in3 |
| Bore Range [Max] | 5 in |
| Product Category | Dual And Quad Plate Clutches |
| Recommended Control Kits | 940019, 940020 |
| Port or Hose Size | 0.750 NPT |
| Outside Dia. | 21.25 in |
| Photo | DFB |
| Accessory Miscellaneous | 964013 |
| Kits | 964031, 964091 |
| Maximum Clutch Continuous Thermal Dissipation | 10.7 hp |
| Clutch Heat Sink Capacity | 1740000 lbf ft |
| Main Category | Friction Clutches |
| Manufacturer Family | Model QFE 1650-S Quad Faced Clutch, QFE 1650-S, Flange Mounted, Quad Plate Brake |
| Model | QFE-1650 |
| Family Name | QFE Clutches |
| Clutch Facing Effective Area | 454 in2 |
| Minimum Engagement Pressure | 10 psi |
| Weight | 358.0 LB |
| EAN or UPC | 662284169622 |
