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Sanitary rotary lobe pump

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Sanitary rotary lobe pump

The Lobe pumps basically consist of two lobe rotors which rotate synchronously inside a casing without touching each other.
The two rotors divide the rotor chamber into to several smaller rooms and move in order as: Abcd. At position a, only room Iif filled with medium; At position b, some medium is closed in room B; At position C, some medium is also closed in room A, and at position d, room A and B are connected with room II; Here the medium is delivered to the outlet. With this circulation, the medium (material) is delivered through the pump continuously.

As the rotors rotate, the spaces between the lobes and the casing are successively filled with fluid, which is transported to the discharge nozzle with a fixed amount of displacement. The pumped fluid forms a continuous stream thanks to the tolerances between the lobes and the pump casing, thus ensuring an efficient pumping.
Materials
Parts in contact with the product AISI
316L or 304
Gaskets EPDM
Mechanical seal graphite/Sic/EPDM
SiC/C/EPDM
Internal surface finish Ra ≤ 0.4 µ M
External surface finish bright polish


Options
Mechanical seals: SiC/SiC or TuC/SiC.
Cooled mechanical seal, pressurised
Double mechanical seal, lip seal or Oring seal.
Gaskets in EPDM or PTFE.
Heating chamber (Jacket).
Isolation can.
Vertical support.
Rectangular nozzle.
Various kinds of drives and protections (gearbox drive with optional frequency converter.
Pulley/mechanical drive speed selector).
Trolley and/or control panel.
Connections: Clamp, SMS, RJT, etc. 
Stainless steel sanitary rotary lobe pump
Stainless steel sanitary rotary lobe pump
Stainless steel sanitary rotary lobe pump
Stainless steel sanitary rotary lobe pump

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