Price on request
View price| Capacity | kg/h |
| Engine Power | kW |
| Type | |
| ------------------- | |
| Length x width x height | 9000.0 × 4600.0 × 7600.0 |
| Weight | 61000 kg |
| worked hours | |
| hours under power | |
| state | new |
| At local norms | yes |
| status | packed |
| Last availability date | 11/05/2026 |
This listing features a complete HF (Harburg Freudenberger Maschinenbau GmbH) BM700N internal mixer combined with a Convex 21 RH 24x56FH twin-screw discharge extruder, both designed for rubber processing applications. The internal mixer is equipped with a ram-hopper, gearbox, motor, drive, hydraulic and lubrication units, as well as a temperature control unit (TCU) and all necessary couplings with guards for safe operation.
The internal mixer has a chamber volume of 720 kg, with a useful volume of 540 kg at a fill factor of 0.75. It can handle batch weights of approximately 621 kg at a specific gravity of 1.15 kg/l. The rotor operates at a standard speed of 50 RPM, powered by a motor rated at 3,000 HP. The hydraulic ram applies a pressure of 50 tons on the compound. The feeding hopper has a useful volume extending up to the feeding door, with dimensions of 1,200 × 610 mm, and the drop door (discharge opening) measures 1,200 × 637 mm. The overall space requirements for the mixer and gearbox (excluding motor) are 9,000 × 4,600 × 7,600 mm, and the internal mixer weighs 61,000 kg.
The Convex 21 twin-screw discharge extruder features a roller head measuring 610 × 1,434 mm. It offers screw speeds ranging from 1.9 to 25 rpm, with constant torque up to 19 rpm and constant power above that. The screw geometry is conical, and the hopper above the screws has a volume of 1,000 liters, inclined at 15° relative to the horizontal. The extruder is powered by two 130 kW motors.
The machinery is painted blue and includes visible components such as a hopper or feed chute on top for material input, two large cylindrical rollers in the center for material processing, and hydraulic or mechanical actuators on the sides with yellow guards. Multiple lifting eyelets are positioned on the upper and middle sections to facilitate handling and transport. The machine's front lower section features two large circular metal plates with bolts, likely part of the roller or press system. Rectangular openings and access points are present on the machine's side for maintenance or operational purposes.
This robust and sizeable equipment setup is suitable for heavy-duty rubber mixing and extrusion tasks, combining high capacity and advanced control systems.
The following description has been generated using artificial intelligence based on the product information available. It is provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
BM700N (Complete set with a Ram-Hopper, Gearbox, Motor, Drive, Hydraulic & Lube Unit, TCU, All couplings with guards) + CONVEX 21 Extruder.
Chamber volume: 720 Kg
Useful volume at fill factor 0.75: 540 Kg
Batch weight at specific gravity 1.15 kg/l: 621 Kg
Standard rotor speeds: 50 RPM
Related motor power: 3,000 HP
RAM pressure on compound (hydraulic RAM): 50 tons
Useful volume of the feeding hopper: up to the feeding door
door shaft (including mixing chamber throat): 1,355
Useful volume of the feeding hopper: up to the feeding
Opening (including mixing chamber throat): 1,420
Dimensions of feed hopper: 1,200 × 610
Dimensions of drop door (discharge opening): 1,200 × 637
Space requirements for mixer and gearbox (excluding motor): 9,000 × 4,600 × 7,600
Weight of internal mixer (excluding drive): 61,000 Kg
Twin-Screw Discharge Extruder with Roller Head
Model: Convex 21 RH 24x56FH
610 x 1434 mm Roller Head
Electrical Equipment
Automation Control System
Temperature Control Unit (TCU)
Auxiliary Units
Extruder Convex 21
Max.Screws Speed (rpm):1.9 ÷ 19 (constant torque) | 19 ÷ 25 (constant power)
Screw Geometry: Conical
Volume of Hopper above Screws (L): 1000
Hopper central line inclination: 15° respect to the level
Installed Power (Kw): 2 x 130
Please note that this description may have been translated automatically. Contact us for further information. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase
| Client type | Factory – small or medium company |
| Active since | 2026 |
| Offers online | 1 |
| Last activity | April 22, 2026 |
BM700N (Complete set with a Ram-Hopper, Gearbox, Motor, Drive, Hydraulic & Lube Unit, TCU, All couplings with guards) + CONVEX 21 Extruder.
Chamber volume: 720 Kg
Useful volume at fill factor 0.75: 540 Kg
Batch weight at specific gravity 1.15 kg/l: 621 Kg
Standard rotor speeds: 50 RPM
Related motor power: 3,000 HP
RAM pressure on compound (hydraulic RAM): 50 tons
Useful volume of the feeding hopper: up to the feeding door
door shaft (including mixing chamber throat): 1,355
Useful volume of the feeding hopper: up to the feeding
Opening (including mixing chamber throat): 1,420
Dimensions of feed hopper: 1,200 × 610
Dimensions of drop door (discharge opening): 1,200 × 637
Space requirements for mixer and gearbox (excluding motor): 9,000 × 4,600 × 7,600
Weight of internal mixer (excluding drive): 61,000 Kg
Twin-Screw Discharge Extruder with Roller Head
Model: Convex 21 RH 24x56FH
610 x 1434 mm Roller Head
Electrical Equipment
Automation Control System
Temperature Control Unit (TCU)
Auxiliary Units
Extruder Convex 21
Max.Screws Speed (rpm):1.9 ÷ 19 (constant torque) | 19 ÷ 25 (constant power)
Screw Geometry: Conical
Volume of Hopper above Screws (L): 1000
Hopper central line inclination: 15° respect to the level
Installed Power (Kw): 2 x 130
Please note that this description may have been translated automatically. Contact us for further information. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase
| Capacity | kg/h |
| Engine Power | kW |
| Type | |
| ------------------- | |
| Length x width x height | 9000.0 × 4600.0 × 7600.0 |
| Weight | 61000 kg |
| worked hours | |
| hours under power | |
| state | new |
| At local norms | yes |
| status | packed |
| Last availability date | 11/05/2026 |
This listing features a complete HF (Harburg Freudenberger Maschinenbau GmbH) BM700N internal mixer combined with a Convex 21 RH 24x56FH twin-screw discharge extruder, both designed for rubber processing applications. The internal mixer is equipped with a ram-hopper, gearbox, motor, drive, hydraulic and lubrication units, as well as a temperature control unit (TCU) and all necessary couplings with guards for safe operation.
The internal mixer has a chamber volume of 720 kg, with a useful volume of 540 kg at a fill factor of 0.75. It can handle batch weights of approximately 621 kg at a specific gravity of 1.15 kg/l. The rotor operates at a standard speed of 50 RPM, powered by a motor rated at 3,000 HP. The hydraulic ram applies a pressure of 50 tons on the compound. The feeding hopper has a useful volume extending up to the feeding door, with dimensions of 1,200 × 610 mm, and the drop door (discharge opening) measures 1,200 × 637 mm. The overall space requirements for the mixer and gearbox (excluding motor) are 9,000 × 4,600 × 7,600 mm, and the internal mixer weighs 61,000 kg.
The Convex 21 twin-screw discharge extruder features a roller head measuring 610 × 1,434 mm. It offers screw speeds ranging from 1.9 to 25 rpm, with constant torque up to 19 rpm and constant power above that. The screw geometry is conical, and the hopper above the screws has a volume of 1,000 liters, inclined at 15° relative to the horizontal. The extruder is powered by two 130 kW motors.
The machinery is painted blue and includes visible components such as a hopper or feed chute on top for material input, two large cylindrical rollers in the center for material processing, and hydraulic or mechanical actuators on the sides with yellow guards. Multiple lifting eyelets are positioned on the upper and middle sections to facilitate handling and transport. The machine's front lower section features two large circular metal plates with bolts, likely part of the roller or press system. Rectangular openings and access points are present on the machine's side for maintenance or operational purposes.
This robust and sizeable equipment setup is suitable for heavy-duty rubber mixing and extrusion tasks, combining high capacity and advanced control systems.
The following description has been generated using artificial intelligence based on the product information available. It is provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
| Client type | Factory – small or medium company |
| Active since | 2026 |
| Offers online | 1 |
| Last activity | April 22, 2026 |
HF (Harburg Freudenberger Maschinenbau GmbH) BM700N + Convex 21 RH 24x56FH НОВ ТАНГЕНЦИАЛЕН МИКСЕР BANBURY BM700N и HF Двувинтов изход CONVEX 21 Екструдер. (Пълен комплект с бутална бункер, скоростна кутия, двигател, задвижване, хидравличен и смазочен блок, TCU, всички съединители с предпазни капаци)
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