The Thames Water effluent treatment works at Crawley uses nine Vogelsang positive displacement rotary lobe pumps to transfer primary sludge from settlement tanks to the next processing stage. Each pump is rated to pump 20 m3/h of sludge with approximately 2 m suction lift. These pumps were installed in 1988 so have been in operation now for over 18 years and the only down time has been for planned routine maintenance. There has been no break in service due to breakdowns or any underperformance issues.
For people not used to working in municipal effluent treatment, information about the duty these pumps perform may not mean very much, so we’ll now outline a ‘typical’ sewage treatment works scheme. Firstly the incoming sewage passes through a fine screen. This removes the larger items that people have flushed down toilets, or items which have found their way into the drains such as plastics and pieces of wood. These materials are then chopped up, put into skips and taken to landfill sites. (Thames Water has a campaign in place to encourage their customers not to put household rubbish down the drain.)
Source and more info: edie
Incorporating corrosion proof, self-priming, lightweight hard plastic design, Siphon King(TM) utility pump helps users remove water from hard to reach spaces such as irrigation valve boxes, pits, and pipe trenches. Featuring 36 or 76 in. flexible discharge tube, pump guides water away from work area and is also capable of evacuating water with 4 strokes/gal. Product contains removable intake foot to facilitate cleaning.
Source and more info: thomasnet
CombiChem pumps, which fully comply with ISO 5199, are ideally suited to handling low viscosity, clean or slightly contaminated fluids in the chemical and process industries.
The pumps offer a maximum capacity of 500 m3/hour, heads up to 160 metres, a working pressure up to 16 bar and the ability to pump fluids with a maximum temperature of 200°C.
The Johnson Pump Combi-system is a modular programme of single stage centrifugal pumps offering users a high degree of interchangeability of parts between the different pump constructions. In addition, a wide choice of body materials such as cast iron, bronze and stainless steel, a variety of shaft sealings and bearing construction options, ensures a versatile and reliable pump suitable for a wide range general industry applications.
Other features and benefits of CombiChem pumps include; optimum suction capabilities with minimal flow distortion, a large drain opening to enable fast draining of the casing, an optmised volute design with closed impeller and smooth surfaces ensuring high efficiency and minimal internal losses.
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Stan-Cor MK Series, comprised of ANSI centrifugal pumps, features hydraulically-balanced operation to reduce bearing failures by eliminating thrust loads. Able to handle harsh chemicals, pumps come in 3 sizes with 60 Hz operation at up to 3,500 rpm and 330 gpm or 50 Hz operation at up to 2,900 rpm and 62 M³/hr. Construction includes carbon fiber-filled Kynar pump casing as well as chemical-resistant, glass-filled case and flange supports.
Source and more info: thomasnet
