VDW Verein Deutscher Werkzeugmaschinenfabriken e.V.

The intelligent pump for safe and reliable use in many applications
Capacity range 17 - 117 l/h, 12 - 4 bar

The Sigma / 1 Control can be used flexibly in a number of applications as an extremely robust motor-driven diaphragm metering pump. Excellent process safety and reliability is guaranteed with the patented multi-layer safety diaphragm. Highlights include its intelligent features, such as removable control unit and adjustable metering profiles, as well as a variety of power end and control configurations.

Link: https://www.prominent.com/en/Products/Products/Metering-Pumps/Motor-Driven-Metering-Pumps/p-sigma-1-control-type-motor-driven.html

Benefits

Excellent process safety and reliability:

• In the event of an accident, the feed chemical does not escape to the outside nor into the pump's power end, thanks to the patented multi-layer safety diaphragm with optical (optionally electric) signalling
• Integrated relief valve protects the pump against overloading
• Reliable operation by bleed option during the suction process
• Metering reproducibility is better than ± 2 % with a 30-100% stroke length adjustment range under certain defined conditions and with proper installation.

Flexible adaptation to the process:

• Detachable operating unit with large illuminated LC display for outstanding user convenience Metering profiles for optimum metering results
• The entire Sigma product range is available as standard in a "Physiologically safe in respect of wetted materials" design.
• Metering pumps with electro-polished stainless steel metering head and EHEDG certification enable them to be used in hygienically challenging applications
• Adaptation to specific installation situations, as the "Liquid end on left" is available as standard
• Various control options are available, as well as trouble-free connection to bus-networked systems by PROFIBUS®
• Customised designs are available on request

Link: http://www.prominent.com/desktopdefault.aspx/tabid-9703/1030_read-67179/