Sigma/ 2 (Basic Type)
Capacity range 50 – 420 l/h, 16 – 4 bar
- Integrated relief valve to protect the pump from overloading
- Reliable operation by bleed option during the suction process
- Comes with different flange designs for the use of customised motors
- Description
- Applications
- Tech Specs
- Downloads
The Sigma/ 2 diaphragm metering pump, together with pumps of type Sigma/ 1 and Sigma/ 3, represents an integrated product range. They cover the capacity range from 17 to 1,030 l/h, with a consistent operating concept, control concept and spare parts management. A wide range of power end versions is available, including some for use in ATEX areas.
- 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
