These stirrers have PMDC motors with hollow shafts in output spindle (except RQG-121/D), permitting length adjustment with ability to mix high viscosity liquids such as heavy oils, lubricants & paints. Stirrers have uniform speed control with digital RPM indicator which gives speed read outs, valuable for applications where process validation and reproducibility is required.
The Remi RQG-121/D is a high-torque geared overhead stirrer specifically engineered for applications involving high-viscosity materials that require intensive mixing at lower speeds. Unlike standard models, the RQG-121/D incorporates a specialized reduction gear system that multiplies the motor's torque, allowing it to maintain a steady rotation even through thick, resistant substances like polymers, heavy oils, and gels. The digital "D" interface provides a real-time RPM readout, ensuring that researchers can maintain precision and repeatability across various batch sizes.
Safety and versatility are the core features of this unit. The Remi RQG-121/D is built with a heavy-duty universal motor housed in a chemical-resistant epoxy-coated body. The hollow shaft feature allows for effortless height adjustments of the stirring paddle without the need to move the entire unit, facilitating ease of use with different container shapes. With integrated overload protection, the device prevents motor burnout during strenuous mixing tasks. It is an ideal solution for industrial pilot plants, paint manufacturing, and pharmaceutical quality control laboratories where durability and torque are non-negotiable.
Technical Specifications
Stirring CapacityUp to 20 Liters (Viscosity Dependent)
Speed Range50 to 550 RPM (Geared)
TransmissionReduction Gear Mechanism
Digital ReadoutLED Speed Indicator
Motor OutputHigh Torque Universal Motor
Chuck Size0.5 to 10 mm Capacity
Shaft DesignHollow for Easy Adjustment
MountingBoss Head / Support Stand Compatible
Application Uses
The RQG-121/D is optimized for the production of emulsions, blending of high-viscosity syrups, and the homogenization of cosmetic creams. Its geared system makes it the preferred tool for mixing paints, resins, and concentrated chemical suspensions where high-speed stirrers might stall or fail to provide sufficient shear.
Frequently Asked Questions
1. Why choose the RQG model over a standard stirrer?
The "G" stands for Geared. This model provides significantly higher torque at lower RPMs, making it suitable for thick liquids that would stop a standard stirrer.
2. What is the maximum viscosity it can handle?
It is designed for medium-high viscosity substances up to 15,000-20,000 mPas, depending on the paddle geometry used.
3. Can the RPM be adjusted precisely?
Yes, the unit features a stepless speed regulator combined with a digital display for accurate monitoring.
4. Is the motor maintenance-free?
While the gearbox is robust, the universal motor uses carbon brushes which may require inspection after long-term intensive use.
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