PF Series
Planetary gearboxes for concrete mixers with conical step inlet
The PF series gearboxes are planetary units specifically designed for twin-shaft concrete mixer applications. With their special flange for pulley connection and robust design, they offer a reliable and high-performance solution for the most demanding construction environments.
Reduction ratio: 11 - 28
Rated torque: 9,800 - 21,700 Nm
Output speed: 50 - 150 rpm
Configurations: 4 different sizes
Main features
- Compact design combining planetary gears and bevel gears for optimal transmission
- Inlet flange specifically designed for connecting a pulley in concrete mixing applications
- Tapered input shaft bearings for high radial load capacity
- GGG40 cast iron inlet flange and housing for exceptional impact resistance
- Internal grooved connections for optimal torque transmission
- Standard outlet sealing cover for reliable protection against contamination
- An oil expansion tank is available as an option for applications with variable temperatures.
Product range
Our PF series includes 4 different sizes covering a torque range of 9,800 to 21,700 Nm, specially designed for concrete mixer applications and heavy mixing equipment.
Detailed technical data
| Setting | Value | Unit |
|---|---|---|
| Reduction ratio | 11-28 | - |
| Nominal torque | 9,800 - 21,700 | Nm |
| Output speed | 50 - 150 | rpm |
| Degree of protection | IP65, IP66 | - |
| Serving temperature | -20°C to +80°C | °C |
| Output tree type | Fluted hollow tree | - |
Size chart
| Reduced size | Report range [i] | Nominal torque [Nm] | Fluted hollow tree |
|---|---|---|---|
| PF2352K | 10.57 - 23.22 | 9,800 | A80x74x10H |
| PF2652K | 11.93 - 27.00 | 17,900 | A100x94x10H |
| PF2852K | 11.93 - 27.00 | 20,600 | A100x94x10H |
| PF3452K | 12.08 - 28.17 | 21,700 | N120x3x30x38x9H |
Technical advantages
| Characteristic | Profit |
|---|---|
| Planetary design | High reduction ratios in a compact footprint |
| Special entry flange | Direct pulley connection for concrete mixer applications |
| tapered roller bearings | High radial load capacity and extended service life |
| Fluted hollow tree | Easy assembly and optimal torque transmission |
| GGG40 material | Superior resistance to shocks and vibrations |
Available options
- Oil expansion tank for temperature variations
- Anti-corrosion coatings for humid environments
- Temperature and oil level sensors
- Automatic lubrication fittings
- Special mounting adapters
- Preventive maintenance kits
Areas of application
The PF series reducers are specifically designed for mixing and blending applications in the concrete and building materials industry:
- Industrial concrete mixers - Concrete batching plants, stationary and mobile mixers
- Construction equipment - Portable concrete mixers, mixer trucks
- Materials industry - Mixers for mortar, plaster, and coatings
- Mineral processing - Mixers for powdered and granular products
- Recycling - Construction waste processing equipment
Competitive advantages
Exceptional robustness
Specifically designed to withstand the harsh conditions of construction sites with GGG40 materials and industrial-grade tapered roller bearings ensuring a long service life.
Optimal transmission
The combination of planetary and bevel gears ensures high efficiency, precise power transmission and reduction ratios tailored to the needs of mixing applications.
Ease of installation
With its special pulley inlet flange and grooved hollow shaft, the PF series allows for quick and reliable integration into existing or new concrete mixer systems.
Entry type
PF Series
Inlet flange for pulley connection
Output type
PF.0K Series
With grooved hollow shaft (DIN 5480)
PF.0L Series
With grooved hollow shaft (DIN 5482)
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