Sigma/ 3 (Basic Type)
Capacity range 146 – 1,030 l/h, 12 – 4 bar
- Wide range of power end versions
- Integrated relief valve to protect the pump from overloading
- Reliable operation by bleed option during the suction process
- Description
- Applications
- Tech Specs
- Downloads
The Sigma/3 Basic motor-driven diaphragm metering pump features a patented multi-layer safety diaphragm, ensuring exceptional process safety and reliability. It also provides a variety of power end options, including both three-phase and single-phase AC motors, suitable for Exe and Exde environments with ATEX certification.
- Volume-proportional addition of chemicals in water treatment, e.g. sodium-calcium hypochlorite for the disinfection of potable water
- Addition of chemicals depending on the measured value, e.g. metering of acid and alkali for pH neutralisation in waste water treatment
- Time-controlled addition of chemicals in the cooling water circuit
- Pulse-controlled metering in the bottling of different volumes e.g. glycerin filling of manometers
