The HSM-703XC from Charles Ross & Son, Hauppauge, N.Y. is billed as a new and improved version of the firm’s 10HP X-Series Ultra-High Shear Mixer. This advanced inline rotor/stator mixer generates very fine dispersions and emulsions with exceptionally narrow particle size distribution. It reportedly offers more vigorous mixing, greater size reduction and higher throughput compared to conventional rotor/stators and colloid mills. Sample applications include wax dispersions, polymer suspensions, pigment dispersions, nanocomposites, silicone emulsions, filled polyols, specialty coatings, plastic intermediates and additives.
The patented X-Series mixing head is a precisely-machined stator with concentric rows of teeth and a matching rotor turning at tip speeds over 11,000 ft/min. Process fluid enters from the center and accelerates outward through channels in the intermeshing teeth of the rotor/stator. This high-velocity flow subjects the product to thousands of intense mechanical and hydraulic shearing events in a single pass.
Featuring a cartridge seal design, the new HSM-703XC is fully SIP/CIP compatible and easier to maintain with fewer parts to take apart than previous X-Series models. Seal replacement is straightforward and does not require specialized tools.
The barrier fluid tank of the HSM-703XC is also an improved design that can be completely disassembled and cleaned. All surfaces can be visually inspected. Controls for the mixer have also evolved; in addition to mixer speed, amperage and power load, the operator panel can now include flow, temperature and pressure monitoring of the barrier fluid.
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