Wastewater pumps EOA / EOSA
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Catalog excerpts

Wastewater pumps EOA / EOSA - 1

The ideal pump for the economical transport of wastewater and fluids with high solids, fibrous and gas content. Applications Untreated wastewater (raw sewage) Intermediate pumping stations Secondary sludge Activated sludge, recirculated sludge Stabilised digested sludge Highly fibrous sludge Industrial wastewater Facts & Figures Nominal dimensions: DN 80-400 mm 3-16" Flowrate: up to 1100 I/s Semi-open 2-channel impeller for untreated wastewater with fibres Semi-open multi-channel impeller with max. free passages for pumping sludges with high gas and fibre content Special features ■ Self-cleaning impeller and casing profile for wastewater pumping without clogging. • 2-channel EOA series for the discharge of large quantities of untreated wastewater from 120 I/s. • EOSA series with 3 impellers opti mised for all types of sludges. Advantages Low energy costs Pumping raw sewage and liquids with a high content of fibres with a high hydraulic efficiency. Self-cleaning impeller profile EOA / EOSA waste water pumps are optimised for fluids with high levels of solids and fibres. The EOA series for untreated wastewater with a free passage of at least 100 mm enables non-clogging operation. Constant delivery rate The wear plate that can be adjusted from the outside on the suction side, guarantees a constant delivery rate, especially for highly abrasive products. Long service life The symmetrical design of the EOA series impeller allows it to resist imbalances caused by fibrous materials and thus guarantees a long service life of the bearings and sealing system. High suction capability The Wastewater Pump series features, due its special impeller blade geometry, low NPSHR values and thus has a high suction capacity. High gas content Fluids with high gas content can be pumped without stalling. This is particularly important for return sludge, digested sludge or digester circulations. Modular system The Egger-modular system enables reduced storage due to reusable mechanical and hydraulic modules in the pump configuration.

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Wastewater pumps EOA / EOSA - 2

Application areas Due to its self-cleaning impeller and housing profile, the EOA / EOSA series is particularly suitable for the economical transport of sewage sludge containing solids, fibrous fragments and gases. The same applies for industrial wastewater or untreated water with a high solids content, which can be pumped safely thanks to the appropriate choice of pump materials of construction. Wastewater pumping station / rainwater pumps Thanks to its vertical design, space-saving aspect and ease of maintenance, the 2-channel EOA pump allows large volumes of untreated sewage or rainwater...

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