- Air Actuated, Spring Release
- High Coefficient Facing
- 727.00 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
- When the drive is operated on other than horizontal shafts, or when the center distance is greater than eight times the diameter of the smaller pulley on drive ratios less than 3:1, both pulleys should be flanged
- When a drive has three pulleys, at least two should be flanged
- If the drive has more than three pulleys, every other pulley should be flanged
options
- Air union bracket assembly includes flexible hose
- Double-disc assemblies available in four disc sizes
- Hig -coefficient friction linings
| Clutch Facing Edge Color Code | Purple |
| Drive Inertia | 419.4 lb ft2 |
| Clutch Air Chamber Volume When Worn Out | 206.7 in3 |
| Kits | 964038, 964097 |
| Manufacturer Family | Model QFE 2500-H Quad Faced Clutch |
| Overall Length | 16.46 in |
| Product Category | Dual And Quad Plate Clutches |
| Actuation/Return | Air/Spring |
| Family Name | QFE Clutches |
| Clutch Facing Type | High Coefficient |
| Approximate Clutch Facing Life | 18400 hp-hr |
| Clutch Peak Thermal Input Rate | 727 hp |
| Photo | DFB |
| Accessory Miscellaneous | 964015 |
| Drive Arrangement | Flange Mount |
| Recommended Control Kits | 940019, 940020 |
| Clutch Air Chamber Volume When New | 39.27 in3 |
| Clutch Heat Sink Capacity | 2920000 lbf ft |
| Maximum Clutch Continuous Thermal Dissipation | 14.7 hp |
| Finish | Black Oxide |
| Bore Range [Min] | 3.5 in |
| Bore Range [Max] | 6.5 in |
| Outside Dia. | 30 in |
| Control Accessories | 170012, 170013, 170014, 170017, 170020, 170021, 170023, 170024, 939101, 939201, 939400, 940001, 940425, 945125 |
| Clutch Facing Effective Area | 808 in2 |
| Maximum Pressure | 80 psi |
| Maximum Static Clutch Torque | 302000 in lb |
| Main Category | Friction Clutches |
| Bore Style | Unfinished Pilot Bore |
| Model | QFE-2500 |
| Minimum Engagement Pressure | 10 psi |
| Open Or Enclosed Design | Open |
| Port or Hose Size | 0.750 NPT |
| Weight | 930.0 LB |
| EAN or UPC | 662284169677 |

