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Fluids Handling

Peristaltic pumps gain improved coverage in WIMES

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Watson Marlow Fluid Technology Solutions (WMFTS) has helped with a revision of the Water Industry Mechanical & Electrical Specifications (WIMES), opening up peristaltic pumps to more potential customers in the UK water industry.

Peristaltic pumps, such as WMFTS’ range of Qdos chemical metering pumps for water and wastewater treatment applications, had not previously had the benefits of their technology explained in the specifications.  

The revised WIMES now contains comprehensive dosing pump specifications, with a number of the benefits of peristaltic pumps now more apparent and explicitly covered in the latest version.

WIMES is a collaborative project managed by the Pump Centre, aimed at providing common mechanical and electrical specifications for the UK water industry. Seventeen of the UK’s largest water companies are involved in WIMES, which enables them to procure equipment which is fit for purpose and provides the lowest lifecycle costs at a competitive purchase price.

The intention of WIMES is that the specifications should be unambiguous and allow individual suppliers to compete on an equal footing, so buyers can accurately compare and contrast suppliers.

Dale Kavanagh, industrial sales & business development manager at WMFTS UK, said, “The specification has been rewritten so there is more detail about peristaltic pumps, and their benefits compared to other pump types. It is a huge result and has helped develop the business this year.

For the last two years Watson Marlow have been working hard to ensure that the latest version of the specifications would have a fairer balance, showing the advantages of peristaltic pump technology. This ongoing work has resulted in large orders from several water companies in England.”

Watson-Marlow were able to get a seat at the table and collaborated with water regulators, putting the case forward on why peristaltic pumps are beneficial. The success was a result of a lot of hard work, in particular from sales skills training manager Bruce Quilter and former UK industrial sales engineer Eddie Smeaton.”

Greater reliability

WMFTS’ Qdos range of peristaltic pumps can handle flow rates from 0.1 to 2,000 megalitres a minute at pressures up to 7 bar as well as offering repeatable chemical metering accuracy of ±1 per cent. 

With a Qdos pump, the flow remains the same at any pressure, providing greater dosing control and leading to measurable chemical and energy savings – a key difference to other equipment on the market. The low maintenance design also means process uptime is maximised with no-tools and quick and easy pumphead replacement in situ.

A reverse function enables the operator to drain the line before maintenance and, once in operation, there is an integral leak detector to eliminate the risk of exposure to chemicals. Integration of the Qdos pump range is easier than traditional dosing pump types as they eliminate the need for foot valves, strainers, degassing valves and loading valves, along with all the relevant joints, simplifying maintenance and enabling dosing skid manufacturers to reduce the size of their skids.

Roger Marlow, principal consultant at the Pump Centre, commenting on the more comprehensive dosing pump specification in the updated WIMES, said,Water managers and engineers of large water infrastructure projects are looking to alternative pumping technologies for many reasons. The landscape of chemical metering pump manufacturing and innovation in the water industry is changing and it is important for WIMES documents to reflect that.

It has been a very positive experience working with Watson-Marlow and we will continue the collaboration between all parties in the future.”

Reflecting on the current landscape of chemical dosing equipment, Kavanagh said, “The scale of the rollout of new equipment makes now an ideal time for utilities to consider the whole-life benefit of the chemical dosing equipment they select. As such, it is believed that Qdos pumps an ideal solution to meet companies’ water management challenges.

www.wmfts.com

Watson Marlow
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Watson-Marlow Fluid Technology Solutions

About us

Watson-Marlow Fluid Technology Group (WMFTG) peristaltic tube and hose pumps meet requirements including: value for money; low cost of ownership; reliability and ease of maintenance to the food and beverage, chemical, pharmaceutical, mining and many other industries.

We demonstrate how pumps deliver significant process efficiencies over the lifetime of the equipment. Whether performing flavouring addition in food processing, chemical metering in water treatment or mineral recovery, we have a solution which can cut pump downtime and reduce costs through higher accuracy metering and transfer. WMFTG has dedicated application engineers available to help customers make the right pump and tubing choice from a range providing microlitres per minute to 80 cubic metres per hour flow rates.

The only part of the pump to come into contact with the product is the tube or hose. This means there are no seals or valves that can wear or fail. Replacing the tube or hose can be performed quickly and safely. Peristaltic pump benefits include:

Total fluid containment with no seals No ancillaries Handle viscous and abrasive slurries and sludge Self-priming capability Dry running without damage to the pump In addition to their range of positive displacement pumps, Watson-Marlow Fluid Technology Group has added PTFE-lined chemical and industrial hoses to their range. Aflex hoses are reinforced to withstand the most severe conditions and use.

Where we supply to

Europe, Africa, Asia, Australia, South America, North America

Industries we supply to

Automation, Chemicals, Consultants, Components Electronics, Energy and Power, Food and Beverage, Glass Ceramics Cement, Metals and Minerals, OEM, Paper and Pulp, Pharmaceutical Cosmetics Toiletries, Plastics and Rubber, Recycling, Textiles, Tobacco, Water and Wastewater

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