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Product BrochureProduct Details:
5 to 2700 lpm
6 to 24 bar
from cryogenic to 120 Degree C
1 to 100,000 cp
Tushaco progressing cavity pumps is a positive displacement rotary pump. The actual pumping elements of the pump are rotor and stator. The single helical rotor rolls eccentrically in a double threaded helix stator of twice the pitch length. A series of sealed cavities 180 Degree apart are created that appear to progress from suction to discharge during one rotation of rotor. The opposing cavities fill and empty simultaneously resulting in a pulsationless flow.The fluid travels axially with relatively low velocity and minimal agitation.The stator is made of a resilient elastomeric material and bonded to the stator tube. The important feature of the pumping principle is the ability to handle slurries and solid particles. The elastomer stator also permits passage of solid particles due to elastomeric deformation. The compression fit of the rotor and stator enables the Tushaco progressing cavity pumps to handle gaseous and low viscosity liquids. The pressure capabilities of the pump are a function of the number of cavities. Tushaco progressing cavity pumps are available in a wide variety of materials - cast iron or stainless steel wetted parts and 10 standard elastomer materials. Tushaco versatile progressing cavity pumps are rugged, compact and highly efficient. Fluids, which are delicate, shear sensitive or abrasive, low or high viscosity, with fibres, with high air content, or large solids, can be conveniently handled by Tushaco progressing cavity pumps
Sturdy drive design provides strength for rigorous continuous operation.
Unique pivot-joint design extends service life and reduces replacement cost.
Close coupled models with built-on speed reducers offer compact pumping unit.
Stators are available in a wide range of elastomers.
Suction lift to 28' w.c. (Water column)
Possible drive arrangements include
Direct drive with motor
Through gear box
Variable speed drives
Special drives such as hydraulic, with I.C. engines.