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PVDF eductor nozzles for aggressive chemicals

By Chemical Engineering |

Bete

Bete

Eductor nozzles are often used to agitate the contents of tanks to prevent separation and sedimentation. If the chemicals are aggressive or stored at higher temperatures, eductors made from brass or stainless steel are typically used. Now, this new range of polyvinylidene difluoride (PVDF) eductors (photo) are a viable alternative to the more expensive stainless models. PVDF (Kynar) is a fluoroplastic that is extremely chemical-resistant and boasts superior heat resistance compared to many other plastics. The eductors are submerged inside the tank and the motive liquid is pumped under pressure though the discharge orifice. Depending on the model and the operating pressure, the volume of liquid discharged from the eductor will be up to four or five times greater than the volume of motive liquid being pumped. This highly efficient operation reduces energy use and therefore cuts costs, says the company. — The Spray Nozzle People (Bete Ltd.), Lewes, U.K.

www.bete.co.uk

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