Multistage

Discflo multistage disc pumps for high-pressure, long-distance service and high-lift applications with moderate to high total dynamic head. The Discpac stages build pressure smoothly and without surges in laminar flow; the pump needs about one third of the NPSH of conventional pumps, handles up to 90% solids and up to 80% entrained gas, and resists clogging thanks to wide internal tolerances and the absence of impellers.

Key technical parameters

• Flow rate: up to 2,270 m³/h (10,000 GPM, range maximum)
• Head: over 300 m (1,000 ft TDH, range maximum)
• Pressure: up to 172 bar (2,500 psi, range maximum)
• Viscosity: up to 700,000 cP
• Solids passage: up to 250 mm (10 in.); solids content up to 80%
• Drive: Electric
• Stages: multistage Discpac design
• Materials: stainless steel, ductile iron, CD4, Hastelloy, carbon steel, titanium
• Net positive suction head required about one third of a conventional pump
• High suction lift, no radial load, no pulsation
• Entrained air or gas: up to 70% without cavitation
• Adjustable Discpac spacing for solids up to 10 in. (250 mm)

Media handled

• Liquids: Slurry, Sludge, Crude oil, Water (clean)
• Media properties: Low viscosity, High viscosity, Contains solids, Shear-sensitive, Contains gas

Applications and industries

• High-rise water supply, municipal pressure boosting, irrigation and reverse osmosis
• Onshore and offshore oil, gas and water mixtures, subsea boosting, crude and product pipelines
• Boiler feed, chemical processing, mine dewatering
• High-pressure cleaning, machine tool cooling, condensate recovery