The latest advances in peristaltic pump technology will be showcased by Watson-Marlow Bredel SA at this year’s Electra Mining Africa exhibition.
Two new pump ranges will be on display: the advocate Qdos 30 ‘no-valve’ metering pumps and the Apex 10, 15 and 20 models, which are finer three pumps in one.
Developed in acknowledgment to all-encompassing automated chump acknowledgment requesting bigger actinic metering, the Qdos 30 eliminates accessory equipment, enhances abundance and reduces actinic decay through added accurate, beeline and repeatable metering than archetypal solenoid or stepper-driven diaphragm metering pumps.
Watson-Marlow SA GM Nico van Schalkwyk letters that the Qdos 30 delivers an unrivalled 5 000:1 breeze ambit from 0.1 to 500 mℓ/min and 7 bar while amalgam calmly through IP66 manual, alternation and Profibus ascendancy options. Featuring patented ReNu pump arch technology, Qdos 30 is absolutely closed for safe, tool-free maintenance.
There are no seals or valves in the breeze aisle to clog, aperture or corrode. This agency that fluids which are caustic, abrasive, viscous, shear- sensitive, gaseous, are slurries or accommodate sus- pended solids, can be cautiously and deeply handled. Advanced ascendancy appearance accommodate fluid-level monitoring, aqueous recovery, band conference and automatic breeze calibration.
“The pump arch can be configured on the larboard or right, authoritative it ideal for installing in belted environments or on skids, while its closed architecture and aqueous accretion annihilate diffusion and ensures abettor safety,” Van Schalkwyk adds.
The new Apex ambit of pumps is acclimated for dosing, metering and alteration duties amid 2.8 and 1200 ℓ/h.
Robust, reliable and flexible, this ambit ensures lower life-cycle costs in boxy automated applications. Unlike added pump types, the corrupt pumps accept no big-ticket cutting apparatus such as seals, valves, membranes, stators, rotors or glands to maintain.
“We accept already awash a cardinal of these pumps on a ‘trial’ base to get acknowledgment afore the official barrage – and they’ve all been accustomed the ‘thumbs-up’ by our customers,” Van Schalkwyk credibility out.
“The pumps are altogether ill-fitted for administration difficult fluids – corrosive, viscous, shear- sensitive, gaseous, crystallising or alike fluids with a aggregate of these properties.”
He states that the units are ideal for ongoing, absolute dosing as they action the best achievement accessible on the bazaar for pressures up to 116 psi, forth with reliable and abiding breeze up to 317 gph. “This is additional by a new bearing of abiding hoses that additionally abutment repeatable accurateness back dosing additives. Also, connected pumps acceleration up to 100 rpm and accommodate a wider-capacity ambit compared to another corrupt pumps. Users of these pumps account from acutely low aliment requirements, giving continued up-time and accordingly action continuity,” he says.
The Apex models are finer three pumps in one – with a distinct pump anatomy adjustable for three corrupt sizes (10, 15 and 20 mm) back assembly volumes rise.
While these two new ranges will appear beneath the spotlight at the show, the aggregation will additionally affection its accurate ambit of Bredel SPX corrupt pumps and Watson-Marlow boxy automated cased peristaltic pumps that are acclimated for the pumping of slurries, dosing applications and thickener underflow.
Van Schalkwyk additionally expects a lot of absorption in these pumps.
“The peristaltic pump bazaar is growing appreciably and what is auspicious is that we are demography abroad a lot of business from the suppliers of accelerating atrium (PC), centrifugal and bifold diaphragm pumps,” he says.
“No added pump has the controllability of the peristaltic, with breeze ante from microlitres a minute to tens of bags of litres an hour. Unlike added pumps, it has no valves, seals or glands, which reduces aliment and the accident of breakdown.
“The alone accepted aliment is alteration the tube or hose, which can be done by the action operator, while a change of aqueous artlessly requires charwoman or alteration the tube or hose.”
With no valves to clog or corrode, Watson-Marlow Bredel is the pump of best in mines throughout the apple to pump microburst acute polymers for flocculation, annoying adhesive slurries for pH control, acerb chemicals such as cyanide for gold accretion as able-bodied as assorted reagents like nut sulphate for platinum recovery, carrying aural 1% accuracy.
For pumping-thickened slurries up to 80% solids, the seal-less Bredel corrupt pump signifi- cantly reduces aliment and baptize burning costs compared to added pump types.
Watson-Marlow’s 520, 620 and 720 automated cased peristaltic pumps, application connected tubing or elements, awning flows from 4 µ/min to 4000 ℓ/h, with aerial accurateness and automated compatibility.
“Watson-Marlow has been the apple baton in peristaltic pumps for added than 50 years, and is Europe’s cardinal one absolute displacement pump brand,” Van Schalkwyk credibility out.
“It is additionally the aboriginal architect to action a five-year assurance on its 520, 620 and 720 case drives. The pumps are configured for automated integration, PLC alien ascendancy and alternation and Profibus arrangement control.”
Bredel’s Brains and Watson-Marlow’s Wise computerised corrupt pump allocation programmes additionally accurately specify pump and aqueduct sizes, layouts, speeds, corrupt abstracts and all added factors bare to optimise ability in anniversary installation.
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