ATEX approved, manual control dosing pumps
Wanner International has introduced a range of Hydra-Cell, ATEX approved Dosing Performance Pumps with precise mechanical variator control, mounted on a stainless steel base plate.
These seal-less pumps are designed for use in ATEX classified environments, coupled to compatible, explosion proof motors, they are said to remove the need for external VFD ATEX control
Because Hydra-Cell pumps are true positive displacement pumps, flow rate is directly proportionate to input shaft speed and virtually independent of system discharge pressures. Precise and repeatable, infinite adjustment of shaft speed is claimed to be achieved from almost zero rpm, through a manual adjust hand wheel on the variator.
Flow rate is adjustable in operation and at rest and exhibits linear setting characteristics. Once set, the wheel can be locked to prevent the flow being changed, either by accident or deliberately.
Meeting or exceeding API 675 performance requirements in terms of repeatability, linearity and steady state accuracy, Hydra-Cell Dosing Performance pumps are said to be a low maintenance, efficient, low lifecycle cost option.
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