Watson-Marlow Pumps Group Peristaltic Pumps

Watson-Marlow has, through selective acquisition, innovative product development and geographical expansion, grown rapidly to lead the world market for peristaltic pumps, tube and Bredel hose pumps. This is an expanding segment of the positive displacement pump market, and the peristaltic principle enables contaminated, abrasive or corrosive fluids to be pumped safely, reliably and accurately.

Primary / thickened sludge feed

The simple glandless, "straight through" construction has clear advantages in handling viscous sludges liable to contain grit, rag type or other solids which cause blockages. Whilst the ability to impart minimal shear, combined with the high levels of volumetric accuracy when handling additives such as polyelectrolyte, is important in terms of both efficient flocculation and additive consumption.

Reduced operating costs can be achieved by the installation of Watson-Marlow pumps in the feed of primary or thickened sludge to digesters or filter presses, and in primary tank auto-desludging. To complete primary auto-desludging, following digester treatment, the sludge goes to secondary storage tanks, where polyelectrolytes are dosed by low-pressure peristaltic pumps prior to dewatering.

Peristaltic pumps

Peristaltic pumps have no valves, seals or glands, and the fluid contacts only the bore of the hose or tube. Simple to install, easy to use and quick to maintain, provide a low whole life cost, they are the hot new technology, and the world’s fastest-growing pump type.

Supply of quality potable water within current permit levels is paramount, and efficient plant operation is essential in meeting these critical standards. Metering applications, typically with sodium hypochlorite, lime or ferric chloride, often place arduous demands on pumps. These chemicals can cause vapour locking, abrasive wear and pump clogging, leading to poor performance and premature failure of traditional metering pumps. Watson-Marlow peristaltic pumps are a proven solution and exceed performance expectations.

  • Self-priming to 30ft and dry-running
  • 875,000:1 turndown – same pump!
  • Accuracy to ±0.5%
  • Lowest Life Cycle Cost (LCC)
  • Sealless design
  • Microlitres to 33L/min
  • Reversible
  • Will not vapour lock

Applications include pH control, disinfection, primary and secondary disinfection, accurate sampling, metering and dosing of difficult fluids such as sodium hypochlorite, ferric chloride, sodium bisulphite, alum, fluoride, carbon and lime slurries, polymers, aqueous ammonia, potassium permanganate, caustic, aluminium sulphate, flocculants and lime slurry.

High-pressure hose pumps

High-pressure hose pumps offer increased reliability and cost reductions for sludge applications. Critical processes such as centrifuge feed must be carried out reliably. Hose pumps are able to meet these demanding performance requirements.

  • Abrasion – grit resistant hose
  • 100% efficient – no slip
  • 80m³/hr (0gpm to 350gpm to 16bar / 232psi)
  • Lowest Life Cycle Cost (LCC)
  • Only one wearing part – the hose
  • Reversible
  • Dry-running
  • Self priming to 30ft suction

Hose pumps offer efficient handling of primary, secondary, digested thickened sludge, RAS, WAS and scum, and are used in DAF, septage, sampling, grit removal, belt filter presses and centrifuge feeds.

Please use the contact details below to make an enquiry about our products.

See also:

Mining Technology- Watson-Marlow – Peristaltic and High-Pressure Hose Pumps

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Press Release

Slurry Pumps Re-Engineered to Reduce Maintenance and Cost of Ownership

In response to increased demand for higher flow rates and faster delivery times, Bredel Hose Pumps has re-engineered its high capacity SPX280 and SPX2100 peristaltic pumps. The result of this product update for users is improved durability and further reduced maintenance downtime. Addi

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30th June 2014

Following the highly successful launch of the revolutionary Qdos 30 peristaltic metering pump, Watson-Marlow Pumps Group is now introducing the larger Qdos 60 model.

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18th March 2014

A Bredel APEX15 hose pump from Watson-Marlow Pumps Group has been installed at Thames Water's Mogden sewage treatment works (STW). Thanks to the APEX15, final effluent samples can now be collected automatically before transfer to the lab for testing.

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18th January 2013

Until recently, turbidity testing at the Pontsticill Water Treatment Works in the Brecon Beacons National Park relied on the use of bellows pump technology.

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18th January 2013

The revolutionary new Qdos 30 metering pump from Watson-Marlow Pumps Group is proving a resounding success in Barrie, Canada.

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18th January 2013

Since adopting Bredel SPX50 hose pumps from Watson-Marlow Pumps Group in various parts of its process, the water treatment plant at Kembla Grange has saved significant costs.

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10th August 2012

In what’s described as a ‘no-valve metering revolution’ Watson-Marlow Pumps Group launches its revolutionary Qdos 30 pump range. Developed in response to extensive industrial customer feedback for improved chemical metering, the Qdos 30 eliminates ancillary equipment, enhances productivity and reduces chemical waste through more accurate, linear and repeatable metering than typical solenoid or stepper driven diaphragm metering pumps.

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10th August 2012

Decades of experience and knowledge have combined with closely scrutinised customer feedback to deliver APEX, three new hose pumps from Bredel, part of the Watson-Marlow Pumps Group.

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10th August 2012

A specialist manufacturer of water quality measurement and monitoring systems is using peristaltic pump technology from Watson-Marlow Pumps Group for use in chlorine monitoring equipment after similar pumps were found to be less reliable.

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5th April 2012

Engineering, consulting and construction company Black & Veatch has installed a number of 520 series and 620 series peristaltic models from Watson-Marlow Pumps Group, at Thames Water's Advanced Water Treatment Works (AWTW) in Walton, Surrey

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5th April 2011

In response to increased demand for higher flow rates and faster delivery times, Bredel Hose Pumps has re-engineered its high capacity SPX280 and SPX2100 peristaltic pumps. The result of this product update for users is improved durability and further reduced maintenance downtime. Addi

Read more
10th June 2010

When Prelok encountered problems using both impeller and diaphragm pumps to circulate adhesive coating fluids at its Willenhall plant in the West Midlands, this specialist in the application of pre-applied locking and sealing processes for threaded components turned to 521 Series pumps from Watso

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4th May 2010

Having suffered repeated failures using conventional impeller pumps for the transfer of liquid egg in glazing processes operated at Cornish food manufacturer Rowe's the bakers, the company turned to peristaltic pump technology from Watson-Marlow Pumps Group. Originated in 1949 as a bake

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3rd March 2010

Leading pump company Watson-Marlow Pumps Group will showcase its enhanced range of positive displacement pump technologies at stand 5673 at the 2010 TOTAL Exhibition. Following the recent acquisitions of aseptic filling and capping systems specialist Flexicon and sinusoidal pump com

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19th November 2009

Watson-Marlow Pumps has launched three IP66-rated cased peristaltic pumps with certified Profibus DP networking capabilities, namely the 520Bp, 620Bp and 720Bp. In the past it has been necessary to use a Profibus gateway to control cased peristaltic pumps using this protocol, but never

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8th September 2009

World-leading positive displacement pump manufacturer, Watson-Marlow, has acquired the German MASO / sine pump manufacturing business from MASO Process-Pumpen and Sundyne Corporation. The purchase demonstrates the Watson-Marlow Pumps Group's continuing commitment to leadership and innov

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9th June 2009

Watson-Marlow Pumps Group has opened two new offices, in Zurich and Mexico City. The group can now offer Swiss customers direct shipment from its UK plant in Falmouth, saving 20% on transport costs and seven days of delivery time. Swiss orders ship on next-day-delivery terms.

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20th May 2009

Peristaltic pump specialist Watson-Marlow Pumps Group is reporting significant growth in the South African water industry, as demand increases for the precise dosing capabilities of its peristaltic technology. The peristaltic pump market's growth in South Africa is heartening news. Desp

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7th May 2009

It's the story that has become a national curiosity: male fish swimming in our rivers have begun spontaneously developing female characteristics. Research dating back more than 15 years has revealed the underlying cause of this phenomenon lies in our improved water quality, allowing fish to colon

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9th March 2009

Desalination – the treatment to turn seawater into tap water – is rapidly gaining ground in the UK. Nicola Martin discovers the crucial role that peristaltic technology is playing in this type of water treatment. Following trials and small-scale plants in the drought-ridden south-east o

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28th September 2008

Ashley Shepherd, UK sales manager at pumping specialist, Watson-Marlow Bredel, talks about the importance of accurate effluent treatment for the food manufacturing sector in the context of the Water Framework Directive. The process of wastewater treatment is set to change forever with t

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26th June 2008

The viscous lime slurry used to maintain a neutral pH during the water treatment process was causing frequent blockages in the diaphragm pumps used by Buckton Castle WTW. However, the installation of two peristaltic hose pumps supplied by Watson-Marlow Bredel has overcome this problem, substantia

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25th June 2008

Separating suspended solids from liquids before discharging to sewer or water course is a headache that construction companies have had to endure for a considerable period of time. Aggravating the problem further is when materials won’t settle quickly. To overcome this obstacle Monmouth-based Si

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30th May 2008

Peristaltic Pump Technology Replaces Timer Controlled Valves at Lavister Waste Water Treatment Works and Improves Primary Sludge Consistency Two Watson-Marlow Bredel SPX50 hose pumps have been installed at Dwr Cymru -Welsh Water’s Lavister Waste Water Treatment Works in North Wales, sig

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15th April 2008

Process engineers at a Severn water treatment works (WTW) are benefiting from accurate chemical dosing, reduced maintenance and reliable operation thanks to the replacement of rotor and stator pumps with peristaltic technology. The peristaltic pumps, supplied by specialists, Watson-Marlow Bredel

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25th March 2008

Four Watson-Marlow Bredel 520 series dosing pumps have been installed at United Utilities Haslingden Grane Water Treatment Works in Rossendale, Lancashire. The new pumps will replace earlier 500 series pumps which have delivered trouble-free service since commissioning in 1993. The new

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27th November 2007

Peristaltic pumps supplied by Watson-Marlow Bredel are delivering trouble-free, 24-hour operation of lime slurry metering at the Blackmoorfoot WTW near Huddersfield. Serving over 400,000 people, the WTW at Blackmoorfoot was the first full-size three-stage water treatment works to be bui

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12th October 2006

Watson-Marlow Bredel, the leading manufacturer of peristaltic pumps, offers the heavy-duty SPX pump for challenging environmental applications. The SPX reliably handles a variety of harsh materials, including abrasive sludge. Advanced hose technology enables the SPX to pump grit-fille

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22nd September 2006

Increasing its overall performance and pressure capabilities, leading peristaltic pump manufacturer Watson-Marlow Bredel has launched the 520 LoadSureâ elements range. The combination of the tube element and pumphead design provides pressure performance up to 7 bar, offering the company new appl

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23rd March 2006

South West Water is using a peristaltic pump from Watson-Marlow Bredel for dosing coagulant into raw reservoir water for purification purposes. It is thought to be the first time peristaltic technology has been used on a coagulant application, certainly within the southwest region. Ori

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23rd March 2006

Whole life costs are playing an ever-more important role in pump selection by the water and wastewater industry. Interestingly, energy use is no longer the benchmark for making efficiency and cost comparisons, according to Philip Bolton, water industry specialist at Watson-Marlow Bredel.

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23rd March 2006

Now that the dust of the AMP 4 round has settled, the UK’s water and sewerage companies are underway with their plans to maintain, upgrade and develop their asset base over the next five years. It is probably true to say that uncertainty and risk have played a greater role than in any of the pr

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23rd March 2006

With the UK water and wastewater industry under continual pressure to contain maintenance and running costs, one of the easiest routes plant and operational managers often look to make savings is the readily identifiable area of replacement parts and spares. Many companies in the indus

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29th October 2004

Leading the way with new sewage treatment methods, Thames Water South East Provinces Waste Water site in Cranleigh is using ferric chloride as a flocculating agent in order to meet the AMP 3 biochemical oxygen demand parameter. For a totally reliable pump that could deal with this highly corr

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7th October 2002

Contaminant free water Reliability under all operational conditions and the ability to deliver a consistent, volumetrically accurate sample over long periods were the key factors in the selection by Severn Trent Services of Watson-Marlow Bredel peristaltic pumps for fitting into thei

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12th September 2002

Watson-Marlow Bredel Pumps has designed a bespoke pump system for J N Bentley Ltd of Skipton, North Yorkshire. The system consists of self-contained desludging units complete with diesel generators for sites operated by Yorkshire Water. J N Bentley is the contracting part of joint v

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Regional Offices

Watson-Marlow Pumps Group
Watson-Marlow Bredel Products

Watson-Marlow Bredel S.A. (Pty) Ltd

PO Box 2742,

2040 Gauteng,

Honeydew,

Other

South Africa

+27 11 796 2960 +27 11 794 1250 www.wmbpumps.co.za
Watson-Marlow Bredel Products

Watson-Marlow Bredel Pumps Inc

37 Upton Technology Park,

Massachusetts

Wilmington,

01887-1061

Other

United States of America

+1 978 658 6168 +1 978 988 0828 www.watson-marlow.com
Watson-Marlow Bredel Products

Spirax-Sarco Engineering

107 Gui Qing Road,

Shanghai 200233,

Caohejing Hi Tech Park,

Other

China

+86 21 6485 4898 +86 21 6485 7366 www.watson-marlow.cn
Watson-Marlow Bredel Products

Other

Other

Worldwide

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