Back pressure valves are used to generate a constant back pressure and achieve precise metering in systems with a free outlet. They are also used in conjunction with pulsation dampers to provide low-pulsation metering.

Wall brackets to hold a metering pump, including attachment fittings.

Essential accessories for metering pumps in the metering process

Flushing assemblies – also known as fittings

Foot valves are non-return valves. They prevent the suction line from running dry and protect it from solid particles. They also function as a priming aid.

Hoses and pipes: essential accessories for metering pumps in the metering process

Injection valves precisely meter the flow volumes in a line and are securely sealed from the environment.

Pulsation dampers have an equalising effect. They are used to ensure low-pulsation metering.

Wherever you need a spare part, as soon as you complete the order process, it's already on its way to you.

Suction lances, suction assemblies and level switches for a smooth metering process

Controller DULCOMARIN^® II for water analysis: Green technology with energy and chemical saving function. Control of circulating pumps and filter backwash is possible.

As a controller in water analysis, the DULCOMETER^® Compact is the correct controller for control tasks that require only a 1 way control.

The controller DULCOMETER^® D1Cb/D1Cc can be used for control tasks in potable water treatment, waste water treatment and many other areas. Safe, convenient and clear, thanks to the large illuminated graphic display, plain text operating menu and pH sensor monitoring.

ORP measurements with DULCOTEST^® sensors: Precise, reliable and application-adapted measured values in real time. Can be used in water treatment or industrial process waters with strict requirements.

pH measurements with DULCOTEST^® sensors: Precise, reliable and application-adapted measured values in real time. Control, regulate and monitor chemical processes with the aid of precise measured values.

Conductivity sensors for optimum process integration: DULCOTEST^® sensors meet a wide range of measuring requirements and allow the best solution to any given measuring task to be achieved.

Accurate measurement of fluoride with DULCOTEST^® sensors in the monitoring of potable water and waste water, suitable for pH values up to 9.5.

Bromine measurement with DULCOTEST^® sensors: Safe metering in disinfection processes with bromine. The robustness of the sensors makes them suitable for wide range of water qualities.

Chlorite measurements with DULCOTEST^® sensors in disinfection processes involving chlorine dioxide – high process reliability guaranteed.

The application-based DULCOTEST^® sensors for free chlorine deliver precise measured values and a high degree of monitoring and process reliability in any disinfection application.

Hydrogen peroxide measurement with DULCOTEST^® sensors: Efficient and reliable method of determining the concentration of hydrogen peroxide - can be used in a wide range of applications.

Measuring ozone in oxidation and disinfection applications: DULCOTEST^® sensors offer precise, reliable, application-specific measured values in real time.

Measurement of peracetic acid concentration with DULCOTEST^® sensors: Precise and reliable for disinfection in safety-sensitive applications in the food, pharmaceutical and medical industries. Can also be used in waste water treatment.

Disinfection of swimming pool water with the application-optimised DULCOTEST^® sensors for total available chlorine - exact measured values and high process reliability guaranteed.

Reliably measure total chlorine with the versatile DULCOTEST^® sensors for total chlorine. Accurate measured values and a high degree of monitoring and process reliability are guaranteed.

Temperature measurement with DULCOTEST^® sensors: Can be used for direct temperature measurement or temperature compensation during measurement of pH, fluoride, conductivity, chlorine dioxide or hydrogen peroxide.

PE storage tanks produced in a rotation process. ProMinent metering pumps, suction lances and stirrers can all be added. The stackable PE collecting pans are available in matching sizes.

DULCODOS^® Hydrazin batching and metering systems are used for manual batching and automatic metering of diluted hydrazine solutions. And, of course, they also comply with all environmental and safety requirements.

DULCODOS^® PPLA systems "enhance" animal feeds: Liquid additives are coated on the pressed feed pellets. The systems operate on a modular principle: extensions and additions are possible at all times. And at the same time a complete solution for storage, dispensing and application of all types of additives.

For storing and metering liquid chemicals Use a selection guide (identity code) to quickly and flexibly adapt your metering system to your metering task.

Metering systems are immediately available and ready for use for the most important applications. Sensors, controller and metering pumps form a single unit with the required storage tanks, which can take over your work without any installation effort.

The Sigma / 1 Control can be used flexibly 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 removable control unit, adjustable metering profiles, as well as a variety of power end and control configurations.

The Sigma/ 2 Control is a robust motor-driven diaphragm metering pump with a patented multi-layer safety diaphragm for outstanding process safety and reliability. The integrated automatic overload shut-down offers further protection for the pump. Removable operating unit and adjustable metering profiles enable the versatile use of this pump.

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.

The Sigma/ 1 Basic is an extremely robust motor-driven metering pump with patented multi-layer safety diaphragm for excellent process safety. It offers a wide range of power end designs, such as three-phase or 1-phase AC motors, even for Exe and Exde areas with ATEX certification.

Robust motor-driven diaphragm metering pumps, like the Sigma/ 2 Basic guarantee excellent process reliability with their patented multi-layer safety diaphragm. The diaphragm metering pump offers a wide range of power end versions, even for Exe and Exde areas with ATEX certification.

The patented multi-layer safety diaphragm for excellent process safety and reliability is just one feature of the extremely robust motor-driven diaphragm metering pump Sigma/3 Basic. It also 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.