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PC Pumps
Different as they are, mine water, raw sewage, sludge cake, latex, crude oil, lime slurry, and molasses all have one thing in common: they can be pumped using NOV Monoflo progressing cavity (PC) pumps.
PC pumps are ideal for handling shear-sensitive fluids that contain abrasive materials and/or high solids content regardless of their viscosity.
PC pumps consist of a single helix shaft (rotor) that rotates within a double helix fixed housing (stator). The rotor always has one less helix than the stator, so when it rotates, it forms a continuous cavity that progresses towards the discharge end of the pump to convey process fluid out (see video).
With a PC pump, pressure is independent of speed, which allows the pump to achieve the head required while running at a low speed for long wear life. Well-suited for both low- and high-flow applications, PC pumps can be adapted into multi-stage pumps for high pressure-handling capabilities.
- Continuous flow eliminates pipework-damaging pulsations
- Continuous seal line between rotor and stator eliminates product backflow and slip
- Variety of construction materials for adaptability to nearly any operating condition
- Low running speeds for long wear life
- Rolling action of rotor releases trapped solids quickly, reducing abrasive wear
- Long-haul pumping eliminates the need for a series of pumps
- Suction lift up to 28’ allows deep sumps to be emptied without submersible equipment
- Gentle pumping action keeps delicate solids intact, minimizing shear, crush damage, and solid degradation
- Continuous cavities handle suspended solids with ease
- Constant discharge capacity for a given speed, rotation, and pressure for accurate metering and dosing
- Reduced wear extends periods between routine maintenance
- Positive displacement for a uniform flow
- Dual directional capability allows one pump to meet all operational needs
- Ability to turn suction chamber 90° for easy installation
Please click video file to show the principle of the Monoflo progressing cavity pump
Video File
PC Principle Video.wmv
 | Compact C Range |
 | Epsilon Range |
 | Mine De-Watering Packages |
 | Monoflo ML Range |
 | Monoflo XL Range |
 | W Range |
 | X Range |
NOV Monoflo, 8708 W. Little York Rd., Suite 100, Houston,Texas 77040, USA Tel: 281 854 0300