DISSOLVER 492 I

Description

The precisely controlled laboratory high speed stirrers of the DISSOLVER 492 series are suitable to produce colloidal suspensions with very fine solid particles integrated by high speed into fluid, as well as for mixing and dispersing of mill feed material within common paint/lacquer matters (disintegration of clusters of powder-type components by shearing force during the dispersing procedure, to cover in ideal case their primary particles with the fluid phase).

Best results will be achieved by following the guide dimensions as shown in the illustration. The peripheral speed (Tip speed) of the disc should reach 18-22 m/sec. The shaft speed and Tip speed is shown on the display. After premixing raw materials increase the shaft speed till no product is on the vessel wall and the top of the dissolver disc is visible ‘Doughnut-flow pattern’.

Design

The Laboratory High Speed Stirrer are equipped with low-noise drive systems with continuous adjustable speed. The used high-tech PID electronic ensures a continuously constant speed, even also when the viscosity changes during the stirring process.

The stand including column is made of stainless steel. An accordingly tared weight sliding up and down inside the stand’s column, compensates the weight of motor and stirring unit and guarantees a comfortable smooth action lifting without necessity of spending any high muscular strength.

The stand’s bottom end is attached with a quick fixing device, equipped with a safety switch which interrupts the current supply to the motor as soon as the fixing pressure to the stirring vessel is no longer sufficient.

A further safety switch is located sidewise at the stand’s column, adjustable due to the desired maximum height level of the stirring/milling disc. It interrupts the current supply when the motor/stirring unit is lifted up higher than the top position of the active stirring height range limited by the switch’s adjustment. There is one interchangeable type of dispersing disc already included in the delivery specification.

The DISSOLVER 492 I has primary been created for vessel volume ranges of approx. 0.1 up to 3 liters, and can be operated with a steplessly variable speed of up to 10.000 min-1.

The DISSOLVER 492 I is controlled via digital display:

• Digital speed display
• Digital time indication
• Integrated timer (adjustable from 1 up to 100 minutes) with countdown
• Automatic stop
• Speed control starting from zero
• On/off switch (illuminated)
  
  

Application fields

Paints, Floor coatings, Ceramics, Colorants, Automotive coatings, Inks, Sealants, PVC liquids, Aerospace coatings, Industrial coatings, Resin, Putties, Decorative coatings, Textile, Additives, Wood coatings, Plasters, Stuco / Wall paints and Adhesives.

Scope of delivery

• Laboratory High Speed Stirrer DISSOLVER 492 I
• Complete stand
• Quick fixing device
• Replaceable dispersing disc (Ø 40 mm)