Water & Wastewater Pumps Articles

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APEX hose pumps replace PC pumps for reliable bentonite pumping at South African waterworks

by Watson-Marlow Fluid Technology Group  (Nov. 10, 2015)

A major waterworks in South Africa is benefitting from the installation of Bredel APEX15 hose pumps from Watson-Marlow Fluid Technology Group. The APEX pumps have been preferred over progressive cavity (PC) pumps ...

The Power of the Moon

by Sulzer Ltd  (Nov. 4, 2015)

The influence the moon has on life on earth is disputed. However, during an assignment in Southeast Asia, vibration experts from Sulzer were able to clearly confirm that the moon can even affect pumps. With its broad expertise, the Sulzer team was able to solve an unusual case of vibration. Southeast Asia is a key exporter of LNG (liquefied ...

Five MPPE units, LMBV, Schwarze Pumpe Germany - case study

by MPPE & TiPSS Technology – Veolia Water Technologies  (Nov. 21, 2015)

Groundwater 20 m3/hr BTEX 233,000 µg/l (ppb) Naphtalene 500 µg/l (ppb) PAHs 153 µg/l (ppb) >99% removal Since 2004 Performance guaranteed ...

Dredging Technology – Underwater Excavation and Construction

by BBA Pumps  (Oct. 21, 2015)

The presence of water is ussualy considered a nuisance in construction, particularly when excavating removing water is common practice. In some cases however, water can be a very useful tool that may simplify things greatly. With the “flooded excavation principle”, the construction site is flooded after the retaining walls have been ...

Peristaltic pumping in dairy CIP system

by Verderflex Peristaltic Pumps - part of the Verder Group  (Oct. 15, 2015)

Challenge One of the largest UK manufacturers of fresh dairy products for the food industry was using air diaphragm pumps to dose peracetic acid into the final rinse water of both raw and finished CIP (Clean-in-place) routines. CIP (Cleaning-in-place) is a critical hygiene process that helps to maintain the hygienic condition of the process line ...

Winter is coming: precautions to protect your pumps

by BBA Pumps  (Oct. 12, 2015)

Now that we are running up to December, the weather in the Northern hemisphere is slowly getting colder and colder. Although Western Europe has been fortunate with a reasonably mild fall, we are expected to get a harsh winter this year, meaning that it is good to prepare for the cold season. Being pump people, this means that we need to take ...

Importance of the Pre-charge of Pressure Tanks.

by Global Water Solutions Ltd. - member of The Swan Group  (Sep. 14, 2015)

A pressure tank consists of an air and water chamber that are divided by a membrane. The air in the air chamber is compressed dry air. This so called pre-charge is a very important factor in the operation of a system with a pressure tank. It acts like a spring and stores the energy in a tank that is used to supply pressurized water when the pump ...

Emotion Energy - Air Source Heat pump case study

by Vortex Energy Saver  (Sep. 5, 2015)

Customer: Emotion Energy Location: Dumfries Heating System: 12KW Calorex Air to Water Heat Pump Installed: 09 Vortex was installed by Emotion Energy on an old isolated cottage which had been extended. They replaced an old oil boiler with a Calorex 12KW air to water heat pump and fitted Vortex ...

ROMAG stainless steel installations for the largest groundwater pumping station in Switzerland

by ROMAG aquacare ag  (Aug. 27, 2015)

The pumping station in Uetendorf near Thun, Switzerland, went into operation in March 2014, and pumps 25,000 l/min of water from a depth of 19 m. 40% of the drinking water in Switzerland is pumped out of groundwater streams. To guarantee an adequate long-term supply of drinking water in the greater region around the city of Thun, the public ...

One year full-scale study of Ozone Cooling Water Treatment at a German Electric Power Station

by Absolute Systems Inc.  (Aug. 21, 2015)

This paper presents the operating results of ozone treatment of the water in a cooling system with an open loop containing the following elements: Main cooling water pumps Cooling water storage tanks Distribution manifold to cooling water users Cooling water collecting basins Cooling water recycling pumps Cooling tower The system ...

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