Caframo BDC1850 Heavy-Duty Overhead Stirrer for Industrial and Lab Mixing Applications

Product Overview

The is a bench‑top mechanical stirrer engineered for demanding mixing tasks in laboratory and light production environments. Designed to provide high torque for challenging formulations, this overhead stirrer is widely used across industrial, pharmaceutical, personal care, and coatings applications where reliable, continuous mixing is essential.

Scientific and Industry Context
Mechanical overhead stirrers like the Ultra Torque series are often referenced in formulation science and process engineering as benchmarks for reliable high‑viscosity mixing, particularly in the preparation of creams, gels, and complex slurries. While specific peer‑reviewed studies referencing this exact model are limited, similar brushless DC (BDC) motor‑driven stirrers are commonly cited in laboratory protocols that require precise speed control and consistent torque during formulation of viscous solutions and emulsions.

Customer and Peer Feedback
Independent reviews of this stirrer model indicate high satisfaction for reliability and performance. Users have reported dependable operation during continuous mixing of personal care creams, toothpastes, and other high‑viscosity products, with ratings highlighting its ease of use, robust construction, and consistent torque under load. Industry buyers often praise its long service life and minimal maintenance requirements compared to traditional brush motor mixers. 

Common Uses and General Feedback
The Ultra Torque stirrer is frequently chosen for small‑scale production batches of polymer suspensions, paints, premixes, and high‑viscosity formulations where sustained power and speed maintenance are critical. Customers value its quiet operation and the inclusion of essential accessories such as a chuck, guard, rod, and calibration certificate. In practice, it is used in labs, pilot plants, and production floors where repeatability and durability are needed.

Key Features & Benefits

This overhead stirrer delivers powerful performance with a fully enclosed, rugged housing and brushless DC motor for dependable service in continuous use environments:

Performance and Design

• High torque output suitable for thick creams, gels, paints and viscous batches. 
• Totally enclosed metal housing for industrial durability. 
• Digital display of speed (RPM) and torque for precise monitoring. 
• Automatic selection between high‑torque or high‑speed ranges for versatile use. 

Included Accessories

• Overhead stirrer motor, chuck, chuck guard, chuck key, support rod and power cord. 
• Manual provided in English, French, Spanish and German. 
• Calibration certificate and three‑year manufacturer warranty. 

Technical Specifications

• Speed range: approximately 12–1800 rpm. 
• Maximum volume capacity: up to ~80 L (21 US gallons). 
• Maximum viscosity: ~90,000 mPas (90,000 cP). 
• Maximum torque: ~568 N·cm.
• Output power: 150 W (⅕ hp).
• Weight: ~5 kg (11 lb).
• Warranty: 3 years. 

Applications

The Ultra Torque stirrer is ideal for mixing tasks in:

• Personal care and cosmetic formulation labs. 
• Pharmaceutical and food process development. 
• Pilot‑scale industrial mixing. 
• Paints, coatings and adhesives preparation. 
• Polymer, resin and slurry handling applications. 

To support efficient mixing across a variety of laboratory and production processes where torque and control are essential, consider also the High Torque Stirrer Caframo, engineered for rigorous overhead stirring with enhanced power and speed adaptability for larger batches and viscous formulations. For applications demanding both speed and versatility at elevated agitation rates, the Ultra Speed Torque Stirrer delivers extended rpm range and precision control suitable for emulsions, microencapsulations, and slurry dispersions. In setups requiring constant thermal support alongside mixing, the Ohaus Guardian 5000™ Hotplate Stirrers series integrates reliable heating and stirring performance, making it a practical complement to torque‑driven stirrers in industrial laboratory environments.

Q&A

What makes this overhead stirrer suitable for viscous formulations?

Its high torque brushless DC motor and two‑range transmission maintain consistent speed even as viscosity changes, ensuring robust mixing of thick creams and gels.

Is this stirrer maintenance‑free?

Yes, the design uses a brushless motor and fully enclosed housing, resulting in minimal maintenance requirements over long periods of continuous use. 

Does it include everything to start mixing?

The purchase includes the motor, chuck and guard, support rod, power cord, user manual and calibration certificate, though a stand and impellers are sold separately.