Precise metering technology for clean water worldwide

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The demands placed on water treatment are increasing – in cities, municipalities and industry. To provide clean water on a permanent basis, precise metering, reliable technology and digital integration are required. With the magnetic diaphragm metering pumps gamma/X and the motor-driven diaphragm metering pumps sigma, ProMinent offers two systems that have proven themselves worldwide. Around 1.6 million ProMinent pumps are in continuous use worldwide – in municipal facilities as well as in industrial processes.

"Clean water is one of the most valuable resources of our time. Our technology helps to secure this resource worldwide – through precision, digital networking and solutions that are already shaping the future of water treatment today," says Andreas Zühlcke, Vice President Product Management & Marketing at ProMinent.

Precise metering, digital control

The gamma/ X meters disinfectants such as sodium hypochlorite or pH correction agents accurately and consistently. Its digital control automatically adjusts the metering quantity to the respective flow rate. Integrated pressure and air detection supports stable operation. The pump can be integrated into existing systems and monitored centrally via interfaces such as Profibus, Profinet or Modbus.

Robust for big tasks

The sigma is used where high flow rates and robust construction are required – for example, when adding flocculants, biocides or pH correction agents.

Chemical-resistant materials and the patented multi-layer safety diaphragm enable reliable and low-maintenance operation. This makes the sigma particularly suitable for demanding applications in industrial and municipal water treatment.

Proven worldwide, digitally networked

From drinking water plants in Europe to industrial facilities in Asia and sewage treatment plants in South America – ProMinent pumps gamma/ X and sigma are in use worldwide. Their digital networking allows continuous monitoring and adjustment of processes, making operation safer and more efficient.

Matching Products

Motor-driven Metering Pump Sigma X: Hygienic

Capacity range 6.6 - 264.2 gph (25 – 1,000 l/h), 145 - 58 psi (10 - 4 bar)

The hygienic design version of the sigma diaphragm metering pumps is optimised in terms of dead space, features as few gaps as possible and has smooth, wetted surfaces for flexible and easy use in hygienically sensitive applications.

Motor-driven Metering Pump Sigma/ 1 (Basic type)

Capacity range 5.3 - 38 gph (20.4 - 144 l/h), 174 - 58 psi (12 - 4 bar)

The Sigma/ 1 Basic is an extremely robust motor-driven metering pump with patented multi-layer safety diaphragm for excellent process reliability. It offers a wide range of power end designs, such as three-phase or 1-phase AC motors, also for use in areas at risk from explosion.

Motor-driven Metering Pump Sigma/ 2 (Basic Type)

Capacity range 14.7 – 110.9 gph (56 - 420 l/h), 232 - 58 psi (16 - 4 bar)

Robust motor-driven metering pumps like the Sigma/ 2 Basic guarantee excellent process reliability with their patented multi-layer safety diaphragm. The diaphragm metering pump offers a number of power end versions, also suitable for use in areas at risk from explosion.

Motor-driven Metering Pump Sigma/ 3 (Basic Type)

Capacity range 45.9 – 264.1 gph (174 - 1,000 l/h), 174 - 58 psi (12 - 4 bar)

The patented multi-layer safety diaphragm for excellent process reliability is just one feature of the extremely robust motor-driven metering pump Sigma/3 Basic. It also offers a wide range of power end versions, such as three-phase or 1-phase AC motors, also for use in ATEX areas.

Plunger Metering Pump Sigma/ 2 (Basic Type)

Capacity range 0.53 - 20.1 gph (2 – 76 l/h), 4,641 - 174 psi (320 - 12 bar)

The plunger metering pump Sigma SBKa is an extremely robust plunger metering pump with high-performance plunger and the option to adjust the pump capacity in 0.2% increments. It offers a wide range of power end versions, such as three-phase or 1-phase AC motors, even for Exe and Exde areas with ATEX certification.

gamma/ X Solenoid Diaphragm Metering Pump

0.61 to 11.89 gph (2.3 to 45 l/h) at pressures up to 363 psi

The solenoid-driven diaphragm metering pump gamma incorporates a wealth of eXcellent ingenuity! With integrated pressure measurement, it ensures the smooth running of your metering process. The gamma/ X is ideal for all metering work involving liquid media.