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Motor-Membrandosierpumpe Sigma/ 3

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“ -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 Various control options are available, as well as trouble-free connection to bus-networked systems by PROFIBUS® Customised designs are available on request ”

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Presentation

The motor-driven diaphragm metering pump Sigma/ 3 Control guarantees excellent process reliability, thanks to its patented multi-layer safety diaphragm. Intelligent features, such as removable operating unit and adjustable metering profiles, as well as a variety of power end and control configurations, enable the versatile use of this pump in a number of applications.

Technical features

- Stroke length: 6 mm - Stroke length adjustment range: 0 – 100% - Stroke length adjustment: manually by self-locking rotary dial in 1% increments (optionally with actuator or control drive) - Metering reproducibility is better than ± 2 % in the 30 – 100% stroke length adjustment range under defined conditions and with correct installation - Wetted materials: PVDF, stainless steel 1.4571/1.4404, special materials on request - Patented multi-layer safety diaphragm with optical diaphragm rupture display (optionally with diaphragm rupture warning system via a contact) - Integrated hydraulic relief and bleed valve - Removable operating unit with large illuminated LC display - Metering profiles for optimum metering results - Degree of protection IP 65