Caframo

In 1954, Hans Heidolph Sr. decided to expand outside of Germany, into North America and in 1955 the new Caframo business was opened, manufacturing and distributing laboratory stirrers in North America and Mexico.

The founders were Hans Heidolph Senior, his son Hans Heidolph Jr, and his son-in-law Doctor Rudolph Zinsser.

The company name Caframo is derived from “Canadian Fractional Motors”.  All overhead stirrers are built with small motors less than a horsepower in strength.

Caframo
There are 12 products.
Caframo - Caframo Compact Digital Overhead Stirrer - BDC2002 - 1

Caframo Compact Digital Overhead Stirrer

1/18 hp (40 Watts) 40-2002 rpm 70 Ncm (100 in-oz) 25 L (6.5 US Gallons)   Footprint optimal for limited bench space, reaction vessels and metallurgical leaching systems.  Stirlight™ illuminates vessel below. Digital display of speed, adjustable chuck up to 10 mm (⅜”), quiet and maintenance free. * Shaft, Blade and Stand sold separately.

Caframo - Caframo Crossover Overhead Stirrer - Model 1540 - 1

Caframo Crossover Overhead Stirrer

1/2 hp (300 watts) 50-1500 rpm 3000 Ncm (4248 in-oz) 200 L (55 US Gallons)   Unique batch mixer for lab, pilot scale, and small production.  Power, control and features including touch screen, data logging, PC or PLC control, timers, alarms, through shaft and more.

Caframo - Caframo Heavy-Duty All-Purpose Stirrer - BDC - 1

Caframo Heavy-Duty All-Purpose Stirrer

Heavy-duty overhead stirrer features digital display of speed and torque, adjustable chuck up to 10 mm (⅜”), quiet and maintenance free.  Available in three configurations: Universal 30 - 3000 rpm, Ultra Torque 12 - 1800 rpm, and Ultra Speed 40 - 6000 rpm.   *Shaft, Blade and Stand Sold Separately

Caframo - Caframo Petite Overhead Stirrer - BDC250 - 1

Caframo Petite Overhead Stirrer

1/100 hp (7 watts) 50-2500 rpm 10 Ncm (14 in-oz) 2 L (0.5 US Gallon)   Maximize efficiencies when conducting water-viscosity formulations, QC/QA analysis, and small scale leaching tests. Conveniently portable, includes clamp, stand, collet and two mixing blades. * Shaft, Blade and Stand sold separately.

Caframo - A531- Propeller 2 in dia with 5/16 in bore and set screws

Caframo Pitch Blade Propeller

Caframo 316L stainless steel Lab Pitched blade propeller composed with 8 mm (⁵⁄₁₆ in) bore is compatible with all Caframo shafts. Set screws included. For low shear, high top-to-bottom pumping capacity with high gas injection.

Caframo - Caframo Reversing Overhead Stirrer - BDC2010 - 1

Caframo Reversing Overhead Stirrer

1/15 hp (50 Watts) 40-2010 rpm 90 Ncm (127 in-oz) 25 L (6.5 US Gallons)   Ultimate versatility with programmable clockwise and counterclockwise stirring. Digital control optimizes polymerization, crystallization, and QC/QA testing. Countdown timer, cycle timer, adjustable chuck up to 10 mm (⅜”), quiet and maintenance free. *Shaft, Blade and Stand Sold Separately

Tangential - Paddles and Anchors

Caframo Tangential Flow Impeller

Caframo Tangential Flow Lab Impellers are effective for low speed, high viscosity mixing. These blades have more surface area to contact the thick product being mixed. Because thicker mixtures are usually mixed more slowly a blade diameter closer to the full diameter of the vessel can be used so that the product close to the edge of the vessel is mixed.  Available in both anchor and paddle styles.  

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