Rotary lobe pump concept is based on two hardened steel lobes

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The Tornado T2 pump is based on two hardened steel lobes that rotate in a geometrically adapted elastomer insert. The developer underlines that this bi-lobe rotor design creates “a considerably longer sealing line, providing more wear padding. A specially developed pulsation reduction system ensures minimal pulsation or shear forces.”

The elastomer insert design saves energy, reduces wear, and increases overall service life. Vulcanized onto the edges of the lobes to create a permanent hard-soft contact between the lobes throughout the 360° rotation cycle, the inserts avoid high-wear contact. The elastomer cage acts as a stator and is subject to less dynamic load and deformation than a traditional rotary lobe pump design, where thick elastomer packages on the lobes are in constant kneading contact.

The pump is driven by a synchronous toothed belt drive system. This drive reduces the danger of transmission damage and also decreases required weight and installation space. This kind of drive requires no lubrication.

Additionally, the Tornado T2 made by Netzsch Germany features a full service in place design, which improves access for inspection, cleaning, service, and replacing parts. Simply removing the cover plate allows quick and easy access to the pump chamber. The rotors can be removed and replaced easily and quickly because they are not bolted or keyed to the shafts inside the pump head. The rotors’ geometry allows their independent removal without the need for special tools.

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