Short Path Distillation Unit Manufacturers

Operating principle of short path distillation unit (SPDU) is similar to thin film evaporator except internal condenser. Here internal condenser is installed inside rotor cage assembly.

The feed enters the unit at top and get distributed into a thin film on the inside surface of shell. Heating medium passing through the jacket evaporates volatile component in feed. The vapor generated flow across the rotor and condense on internal condenser. This short path of vapor eliminate pressure drop. Hence evaporation can be done at high vacuum as 0.001 mbar(a). The distilled product and balance bottoms are taken out through separate outlets.


  • High vacuum distillation of bulk drugs, natural or synthetic vitamins, esters, 7 epoxy resins, fatty acids, glycerides’, tocopherols.
  • Re-refining of lubrication oil.
  • Purification of natural and synthetic waxes.


  • Operation pressure as low as 0.001 mbar(a). Hence production can be distilled at lower temperatures to avoid degradation.
  • With high vaccum and high heating temperature, very high boiling components can be distilled easily.
  • Residence time a few seconds.
  • Single mass evaporation.
  • Good turn down capability.
  • Low product hold up.
  • Use of metal blades at high temperature gives more flexibility than conventional roller design.

Economy Refrigeration Pvt. Ltd. is a leading company of lobe blower manufacturers in Mumbai, India known for producing state of the art products for the extensive industrial market in India. As a company that has been designing and developing twin lobe air blowers and tri lobe roots blowers for many years now, we have mastered the art and craft of producing state of the art products that deliver high quality output with lower input. Each of these devices comes with a robust motor. Additionally, the devices are equipped with a wide range of distinct features that make them indispensable in the industrial sector of India. These include sturdy design, duty operation, reduced noise, reduced vibrations and pulsations, as well as minimal maintenance and longer bearing life.

Being one of the most reputed Lobe Blower manufacturers in Mumbai, India with an extensive experience in the industry, our professionals are well aware of the various technical requirements and expectations of the clients which make it possible for them to create top quality products. Each of the products that are developed by us is tested for the highest level of efficiency before they are approved for being sold to the clients. Our experts can also deliver customized support to their clients to improve their overall technical proficiency with these machines. It is factors such as these that make us the number one companies of Lobe blower manufacturers in Mumbai, India.

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