Motor-driven pump repeats the dose
A
ProMinent Fluid Controls (UK) product story
Edited by the Engineeringtalk editorial team
Jul 15, 2003
The Sigma/1 motor-driven precision dosing pump completes the comprehensive Sigma series from Prominent Fluid Controls.
The Sigma/1 motor-driven precision dosing pump completes the comprehensive Sigma series from Prominent Fluid Controls.
Joining Sigma/2 and Sigma/3, the Sigma/1 pump has a dosing capability of 17 to 120 litre/h.
This new addition means that the Sigma series now has an overall pumping range of 17 to 1030 litre/h.
The Sigma/1 features the same microprocessor controller used on the other pumps in the Sigma range, as well as the gamma/L solenoid driven pump.
Since all four pumps have identical control technology, they are completely interchangeable on site, should the dosing requirements change.
All four benefit from a direct readout of metered volume in litres or US gallons per hour, and all four have an optional Profibus interface to allow the pumps to be used via intelligent links where monitoring and control comes through connection to a central control system.
The microprocessor metering control offers easily controllable metering by using a combination of frequency and on/off control.
At higher flow rates, metering is controlled by closed-loop speed control, whereas at lower dosing rates, a simple on/off system is used.
The Sigma series is equipped as standard with a PVDF liquid ends with integrated safety bypass valve, which can be used with a huge variety of metered fluids.
For special applications, stainless steel liquid ends are optionally available.
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Contact ProMinent Fluid Controls (UK)
Tel +44 1530 560555
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