Mono on the move with sintec

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Courtesy of NOV (manufacturer of Mono™ products)

Mono’s Widethroat W range pump forms an essential part of Sintec’s mobile system by pumping the thicker grout
mixes more quickly and efficiently.

Once the mobile system is in-situ and drilling of an exploratory hole is almost complete, a mixer combines the bentonite/cement grouts to form bentonite slurry. This is then transferred by the W Range pump to the holding
tank ready for injection into the hole within a matter of minutes. A lean mix of bentonite and cement is the standard site investigation mix and is designed to stop any cross contamination of aquafiers.

The Widethroat W range pump is ideal for this type of application as the pump has been designed with an enlarged,
rectangular inlet and screw conveyor to assist thick slurries into the pumping element for easy transfer. The rotary action of the positive displacement pump generates pressure at any speed and does not require centrifugal force or high rotational speeds to operate.

As the pump does not rely on any centrifugal action for its operation, there are no large changes in fluid velocity. Agitation and turbulence are therefore minimal, and shear sensitive products can be pumped without damage.

The Widethroat pump design is a good choice for delivering a steady flow of viscous materials, which benefit from the slow running speeds and gentle handling made possible by the progressing cavity pump action.

The Environment Agency is endeavoring to enforce legislation such as section 86 of the Water Resources Act 1991
which expects possible pathways of contamination of existing boreholes, which have been sampled and monitored
to be sealed up.

With Sintec’s new mobile support system, comprising mixer, pumps, necessary pipework and holding tanks, water pressure testing system for geoloop installations, pressure grouting attachment for the back fill of existing
installations and hydraulic power take off to run jack hammers, concrete corers and geo-loop installations, you have the complete system.

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