• The desired l/h can be set using a click wheel & display.
• Continuous metering with a wide adjustment range of 1:1000.
• Enhanced process reliability thanks to improved priming and optimised handling of air locks.
• Available in PFAS-free variant.
• Bluetooth and NFC interfaces.
• Energy-efficient: The beta/ X is twice as energy efficient as its comparable predecessor model.

Technical Data

The vPTFE diaphragm and vPE diaphragm are limited to a maximum operating pressure of 10 bar. The delivery rates of the dosing pumps with vPTFE diaphragm and vPE diaphragm can deviate by 10-20 % compared to the standard diaphragm.

Materials in Contact with the Medium

Repeatability of dosing: ±1 % when used in accordance with the instructions in the operating manual

Permissible ambient temperature: -10 °C to +45 °C

Average power consumption: 3.4 … 16.5 W

Protection class: IP 66, NEMA 4X, insulation class F

• Simple and fine adjustments to litre capacity in automatic mode. Can be regulated down to a few ml/h. Alternatively, the pump can also be operated in automatic “OFF” mode via stroke length and stroke rate.
• Illuminated LC display and 3-LED display for operating, warning and error messages, visible from all sides
• Factor with external contact control 99:1 – 1:99
• Batch operation with max. 99.99 or 99,999 strokes/start pulse
• Connector for 2-stage level switch
• Available material combinations: PP, PVDF, clear acrylic, PTFE and stainless steel
• Special dosing head designs for outgassing and high-viscosity media
• Optional 0/4 – 20 mA output for remote transmission of actual dosing rate and error messages
• Universal power supply unit 100 V – 230 V, 50/60 Hz
• Optional 230 V relay module, can be retrofitted easily and securely
• Optional 24 V combined relay, can be retrofitted easily and securely

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

• Can be integrated into automated processes and used in all industries.
• The pump can work as a control unit with the timer, for example in cooling water treatment.
• Waste Water Treatment
  • Very low-impact treatment for waste water
  • Our water treatment technology delivers thorough yet environmentally friendly waste water treatment. What’s more, with precisely metered additives and optimised processes, you also save money.
• Waste Water Treatment for electroplating
  • A clean affair: waste water cleaned in an environmentally-friendly manner
  • When it comes to thorough waste water treatment, we provide not just pumps, sensors and controllers, but also our comprehensive expertise in water treatment for electroplating.
• Waste Water Treatment in the Paper and Pulp Industry
  • Clean waste water is returned to nature
  • Very low-impact treatment for waste water. Our intelligent processes efficiently clean and save money too.
• Water Treatment and Water Disinfection
  • Modern disinfection solutions for any kind of water
  • We produce everything in house: all our products, systems and services. As well as being convenient, this is also smart. Disinfection solutions tailored to your needs offer excellent effectiveness.
• Waste Water Treatment in Energy Generation
  • Treating waste water quickly and thoroughly
  • The benefits of our waste water treatment for energy generators can be easily summed up: our waste water treatment is thorough, environmentally-sound, economical and fully automatic. Because ProMinent thinks things through.
• Waste Water Treatment in Hotels and Resorts
  • Clever waste water recycling
  • A suitable process for reusing waste water can make a huge contribution to efficient water management. Responsible use of resources is also increasingly something that eco-minded guests are looking for.
• Addition of Additives in the Paper and Pulp Industry
  • Lighter, smoother, more solid? The right addition is key
  • Not all paper is the same. Accurately metered additives reliably give the paper certain properties, such as making it whiter or smoother or indeed both. ProMinent is fully flexible.
• Biocide Metering in the Paper and Pulp Industry
  • No clumps formed in the production of paper
  • Perfectly metered liquid biocides prevent the formation of slime and therefore the dreaded and expensive formation of clumps in paper machines. So operations can continue unaffected.
• Utility Water Treatment
  • It makes economic sense to reuse process water.
  • Why would you discharge water just because you’ve used it once? If this water is treated properly, it can be reused with ease, cutting costs in no time.
• CIP – Cleaning In Place
  • CIP gets to work exactly where it’s needed
  • Small volumes of disinfectant are produced and used on site for sterile machines and process water. Highly concentrated, dangerous chemicals and tedious disassembly are a thing of the past.
• Disinfection of Potable Water
  • Germ-free potable water thanks to disinfection
  • As an essential nutrient, water must satisfy very strict quality controls. ProMinent offers sophisticated disinfection technology that reliably removes viruses, bacteria and microorganisms.
• Metering of Chemicals in the Test Centre
  • Passing the test: consistent 100% accuracy in fluid metering
  • Our reliable metering pumps produce impressive results in testing. They meter fluids precisely and continuously, making it easy to optimise process parameters.
• Metering of Fluids in Chemical Production
  • Incredible versatility: metering pumps in production
  • There are various types of metering pumps, but what they all have in common is reliability, robustness and thoroughness. That’s why all our pumps are in demand in chemical production.
• Metering Chemicals in Coolant Treatment
  • The secret of a highly durable coolant system
  • We treat coolants with small quantities of chemicals, reducing the environmental footprint while protecting the system against corrosion, deposits and biological growth.
• Metering of Belt Lubricants
  • Keeping everything running smoothly in beverage production
  • Before a bottle is ready to go on the shelf, it passes through many machines in the bottling plant. There is a high price to pay if the belts come to a stop. Metered lubricants ensure smooth running.
• Water Softening in Public Swimming Pools
  • Water softening is a key element of water treatment
  • Water softening is a key element of water treatment for public swimming pools. Soft water reduces the likelihood of operating system failure and ensures that the pool attractions look their very best.
• Bottle Washing Machines
  • Correct metering is key
  • Perfectly metered cleaning chemicals effectively improve the cleaning quality of bottle washing machines. As an extra bonus, you save energy too.
• Large bakeries
  • Baking with reproducible quality
  • A large share of the bakery products we consume today are manufactured by machine. Producing goods that taste just right requires precise metering of the individual ingredients.
• Cooling Water Treatment
  • Efficiency is everything in the cooling water circuit
  • Everything at ProMinent revolves around the perfect cooling water circuit, which needs to experience few losses over its long life. The precise metering of inhibitors and biocides and suitable filters make this possible.
• Cooling Water Treatment in Energy Generation
  • No biofilm, no bacteria, no dangerous by-products
  • ProMinent metering pumps allow you to keep your cool at all times as you no longer need to concern yourself with the cooling process. Alternative biocides reliably prevent deposits.
• Fighting Legionella in Hotels and Resorts
  • Squeezing out legionella and pathogens
  • It can be disastrous for any hotel if guests come down with legionella and seek claims for damages from the company. ProMinent provides effective solutions for eliminating legionella and other pathogens in the long term.
• Desalination of Seawater and Brackish Water
  • Obtaining additional potable water with desalination
  • Drinkable water is scarce. Only a fraction of all the world’s water can be consumed. So the ability to treat brackish water and seawater is of interest to many countries and islands.
• Production of whey and cheese
  • Perfect water for the entire production process
  • To guarantee an end product fit for purpose, ProMinent ensures optimum water quality at every stage of production, thereby reliably complying with statutory hygiene standards.
• Flue Gas Cleaning in Energy Generation
  • Flue gas cleaning for fresh air and a clean environment
  • ProMinent understands how to incorporate the complex flue gas cleaning process in power plants. Harmful substances are reliably removed from the air before they enter the atmosphere.
• Flue Gas Cleaning in Energy Generation
  • Flue gas cleaning for fresh air and a clean environment
  • ProMinent understands how to incorporate the complex flue gas cleaning process in power plants. Harmful substances are reliably removed from the air before they enter the atmosphere.
• Potable Water Treatment
  • Outstanding water quality in line with global WHO standards
  • ProMinent turns water into hygienically perfect potable water – with powerful systems and components, which can be ready mounted for operation or individually configured.
• Potable Water Supply in Hotels and Resorts
  • Only the best for your guests: clean potable water around the clock
  • Clean potable water is a basic requirement for guest satisfaction and therefore commercial success. ProMinent’s treatment systems enable you to provide outstanding quality water all year round.
• Disinfection using Chlorine and Electrolysis in Public Swimming Pools
  • Attractive alternative to traditional chlorine disinfection
  • Various procedures are used to disinfect swimming pool water. Alongside the conventional metering of chlorine, using cost-effective and environmentally-friendly electrolysis systems brings numerous benefits for operators.
• Cleaning fruit and vegetables
  • Simple and reliable cleaning process for agricultural products
  • Fresh fruit and veg are an essential part of our diet. So it’s very important for them to reach the consumer in a safe condition. Precise metering of chlorine dioxide ensures that this is the case.
• Swimming Pool Water Treatment in Hotels and Resorts
  • Absolutely essential: an attractive pool with crystal-clear water
  • You are an expert in pampering your guests, young and old, with everything they could desire. This usually includes an attractive swimming pool or even a luxurious spa. This is where one of our core skills come in.
• Metering of Fluids
  • Incredibly simple and efficient metering of chemicals
  • We transport chemicals with ease in any industrial environment: ProMinent solutions store, transfer and meter substances at rates of 0.1 l/h to 100,000 l/h at a pressure of 2 to 3,000 bar.
• Monitoring and Replenishing of Electroplating Baths
  • Demanding baths require concentration
  • Baths have to be monitored and replenished continually. This requires high concentration – from the sensors, controllers and pumps. Yet only small amounts of precisely fed chemicals are needed.

• Stroke length adjustment by changing the eccentricity on the pump drive when the pump is idle
• Stroke length adjustment in 10% steps
• Diaphragm deflection from the centre position
• Soft controlled suction and compression strokes

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

All low capacity applications where constant metering is required.

• Metering of Fluids
  • Incredibly simple and efficient metering of chemicals
  • We transport chemicals with ease in any industrial environment: ProMinent solutions store, transfer and meter substances at rates of 0.1 l/h to 100,000 l/h at a pressure of 2 to 3,000 bar.
• Cooling Water Treatment in Energy Generation
  • No biofilm, no bacteria, no dangerous by-products
  • ProMinent metering pumps allow you to keep your cool at all times as you no longer need to concern yourself with the cooling process. Alternative biocides reliably prevent deposits.
• Waste Water Treatment
  • Very low-impact treatment for waste water
  • Our water treatment technology delivers thorough yet environmentally friendly waste water treatment. What’s more, with precisely metered additives and optimised processes, you also save money.
• Waste Water Treatment in Energy Generation
  • Treating waste water quickly and thoroughly
  • The benefits of our waste water treatment for energy generators can be easily summed up: our waste water treatment is thorough, environmentally-sound, economical and fully automatic. Because ProMinent thinks things through.

• Stroke length: 4 mm
• Stroke length adjustment range: 0 – 100%
• Stroke length adjustment: manually using self-locking rotary dial in 1 % increments
• With the right, constant conditions, correct installation and calibration, precision exceeds ±1 %, based on maximum stroke volume.
• Wetted materials: PVDF, stainless steel 1.4571/1.4404 (special materials on request)
• Power supply: 1-phase, 100 – 230 V ±10%, 240 V ±6%, 50/60 Hz (110 W)
• Degree of protection IP 65
• Fibreglass-reinforced plastic housing
• The liquid end on the left of the standard version can be selected for special installation situations or in combination with tanks, brackets etc.
• Manual or external contact mode can be set, factor with external contact control 99:1 – 1:99; batch mode with max. 99,999 strokes/start pulse.
• Metering profiles for optimum metering results.
• Display of wear parts in the Service menu.
• Connector for 2-stage level switch.
• Connection to PROFINET using the ProMinent DULCOnvert PROFIBUS^®-PROFINET converter.
• Various relay modules can be selected
• Variants with EU 1935/2004, FDA or hygienic design can be selected for food and other applications. Hygienic design liquid ends are available for applications with stringent hygiene requirements.
• Customised designs are available on request.

For reasons of safety, provide suitable overflow devices during installation for all mechanically deflected diaphragm metering pumps.

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

• All industrial applications, either as a stand-alone unit or integrated in a complete system
• Volume-proportional addition of chemicals in water treatment, e.g. sodium hypochlorite for the disinfection of potable water
• Neutralisation in wastewater treatment
• Pulse-controlled metering in the bottling of different volumes e.g. glycerol filling of manometers
• With an integrated timer as a control unit for simple processes, e.g. biocide metering in cooling water
• Waste Water Treatment
  • Very low-impact treatment for waste water
  • Our water treatment technology delivers thorough yet environmentally friendly waste water treatment. What’s more, with precisely metered additives and optimised processes, you also save money.
• Waste Water Treatment for electroplating
  • A clean affair: waste water cleaned in an environmentally-friendly manner
  • When it comes to thorough waste water treatment, we provide not just pumps, sensors and controllers, but also our comprehensive expertise in water treatment for electroplating.
• Waste Water Treatment in the Paper and Pulp Industry
  • Clean waste water is returned to nature
  • Very low-impact treatment for waste water. Our intelligent processes efficiently clean and save money too.
• Water Treatment and Water Disinfection
  • Modern disinfection solutions for any kind of water
  • We produce everything in house: all our products, systems and services. As well as being convenient, this is also smart. Disinfection solutions tailored to your needs offer excellent effectiveness.
• Waste Water Treatment in Energy Generation
  • Treating waste water quickly and thoroughly
  • The benefits of our waste water treatment for energy generators can be easily summed up: our waste water treatment is thorough, environmentally-sound, economical and fully automatic. Because ProMinent thinks things through.
• Waste Water Treatment in Hotels and Resorts
  • Clever waste water recycling
  • A suitable process for reusing waste water can make a huge contribution to efficient water management. Responsible use of resources is also increasingly something that eco-minded guests are looking for.
• Addition of Additives in the Paper and Pulp Industry
  • Lighter, smoother, more solid? The right addition is key
  • Not all paper is the same. Accurately metered additives reliably give the paper certain properties, such as making it whiter or smoother or indeed both. ProMinent is fully flexible.
• Biocide Metering in the Paper and Pulp Industry
  • No clumps formed in the production of paper
  • Perfectly metered liquid biocides prevent the formation of slime and therefore the dreaded and expensive formation of clumps in paper machines. So operations can continue unaffected.
• Utility Water Treatment
  • It makes economic sense to reuse process water.
  • Why would you discharge water just because you’ve used it once? If this water is treated properly, it can be reused with ease, cutting costs in no time.
• CIP – Cleaning In Place
  • CIP gets to work exactly where it’s needed
  • Small volumes of disinfectant are produced and used on site for sterile machines and process water. Highly concentrated, dangerous chemicals and tedious disassembly are a thing of the past.
• Disinfection of Potable Water
  • Germ-free potable water thanks to disinfection
  • As an essential nutrient, water must satisfy very strict quality controls. ProMinent offers sophisticated disinfection technology that reliably removes viruses, bacteria and microorganisms.
• Metering of Chemicals in the Test Centre
  • Passing the test: consistent 100% accuracy in fluid metering
  • Our reliable metering pumps produce impressive results in testing. They meter fluids precisely and continuously, making it easy to optimise process parameters.
• Metering of Fluids in Chemical Production
  • Incredible versatility: metering pumps in production
  • There are various types of metering pumps, but what they all have in common is reliability, robustness and thoroughness. That’s why all our pumps are in demand in chemical production.
• Metering Chemicals in Coolant Treatment
  • The secret of a highly durable coolant system
  • We treat coolants with small quantities of chemicals, reducing the environmental footprint while protecting the system against corrosion, deposits and biological growth.
• Metering of Belt Lubricants
  • Keeping everything running smoothly in beverage production
  • Before a bottle is ready to go on the shelf, it passes through many machines in the bottling plant. There is a high price to pay if the belts come to a stop. Metered lubricants ensure smooth running.
• Water Softening in Public Swimming Pools
  • Water softening is a key element of water treatment
  • Water softening is a key element of water treatment for public swimming pools. Soft water reduces the likelihood of operating system failure and ensures that the pool attractions look their very best.
• Bottle Washing Machines
  • Correct metering is key
  • Perfectly metered cleaning chemicals effectively improve the cleaning quality of bottle washing machines. As an extra bonus, you save energy too.
• Large bakeries
  • Baking with reproducible quality
  • A large share of the bakery products we consume today are manufactured by machine. Producing goods that taste just right requires precise metering of the individual ingredients.
• Cooling Water Treatment
  • Efficiency is everything in the cooling water circuit
  • Everything at ProMinent revolves around the perfect cooling water circuit, which needs to experience few losses over its long life. The precise metering of inhibitors and biocides and suitable filters make this possible.
• Cooling Water Treatment in Energy Generation
  • No biofilm, no bacteria, no dangerous by-products
  • ProMinent metering pumps allow you to keep your cool at all times as you no longer need to concern yourself with the cooling process. Alternative biocides reliably prevent deposits.
• Fighting Legionella in Hotels and Resorts
  • Squeezing out legionella and pathogens
  • It can be disastrous for any hotel if guests come down with legionella and seek claims for damages from the company. ProMinent provides effective solutions for eliminating legionella and other pathogens in the long term.
• Desalination of Seawater and Brackish Water
  • Obtaining additional potable water with desalination
  • Drinkable water is scarce. Only a fraction of all the world’s water can be consumed. So the ability to treat brackish water and seawater is of interest to many countries and islands.
• Production of whey and cheese
  • Perfect water for the entire production process
  • To guarantee an end product fit for purpose, ProMinent ensures optimum water quality at every stage of production, thereby reliably complying with statutory hygiene standards.
• Flue Gas Cleaning in Energy Generation
  • Flue gas cleaning for fresh air and a clean environment
  • ProMinent understands how to incorporate the complex flue gas cleaning process in power plants. Harmful substances are reliably removed from the air before they enter the atmosphere.
• Flue Gas Cleaning in Energy Generation
  • Flue gas cleaning for fresh air and a clean environment
  • ProMinent understands how to incorporate the complex flue gas cleaning process in power plants. Harmful substances are reliably removed from the air before they enter the atmosphere.
• Potable Water Treatment
  • Outstanding water quality in line with global WHO standards
  • ProMinent turns water into hygienically perfect potable water – with powerful systems and components, which can be ready mounted for operation or individually configured.
• Potable Water Supply in Hotels and Resorts
  • Only the best for your guests: clean potable water around the clock
  • Clean potable water is a basic requirement for guest satisfaction and therefore commercial success. ProMinent’s treatment systems enable you to provide outstanding quality water all year round.
• Disinfection using Chlorine and Electrolysis in Public Swimming Pools
  • Attractive alternative to traditional chlorine disinfection
  • Various procedures are used to disinfect swimming pool water. Alongside the conventional metering of chlorine, using cost-effective and environmentally-friendly electrolysis systems brings numerous benefits for operators.
• Cleaning fruit and vegetables
  • Simple and reliable cleaning process for agricultural products
  • Fresh fruit and veg are an essential part of our diet. So it’s very important for them to reach the consumer in a safe condition. Precise metering of chlorine dioxide ensures that this is the case.
• Swimming Pool Water Treatment in Hotels and Resorts
  • Absolutely essential: an attractive pool with crystal-clear water
  • You are an expert in pampering your guests, young and old, with everything they could desire. This usually includes an attractive swimming pool or even a luxurious spa. This is where one of our core skills come in.
• Metering of Fluids
  • Incredibly simple and efficient metering of chemicals
  • We transport chemicals with ease in any industrial environment: ProMinent solutions store, transfer and meter substances at rates of 0.1 l/h to 100,000 l/h at a pressure of 2 to 3,000 bar.
• Monitoring and Replenishing of Electroplating Baths
  • Demanding baths require concentration
  • Baths have to be monitored and replenished continually. This requires high concentration – from the sensors, controllers and pumps. Yet only small amounts of precisely fed chemicals are needed.

• Stroke length: 0-10 mm, Rod force: 8,000 N
• Stroke length adjustment range: 0 – 100%
• Stroke length adjustment: manually by means of scaled rotary dial in 0.5% increments (optionally with electric actuator or control drive)
• Metering reproducibility is better than ± 2% within the 30 – 100% stroke length range under defined conditions and with correct installation. Observe the information in the operating instructions
• Patented multi-layer safety diaphragm with optical diaphragm rupture display (optionally with electrical diaphragm rupture warning system/warning via a contact)
• Wetted materials: polypropylene, PVC, PTFE+25% carbon, stainless steel 1.4571. Special materials are available on request
• A wide range of drive versions is available: three-phase standard or 1-phase AC motor, motors for use in areas at risk from explosion, different flange designs for use of customer-specific motors
• Degree of protection: IP 55
• Salt water-resistant, acrylic resin-coated cast aluminium housing
• For reasons of safety, provide suitable overload protection mechanisms during the installation of all mechanically actuated diaphragm metering pumps

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

• Volume-proportional metering of chemicals/additives in water treatment
• Metering of reactants and catalysts in the chemical industry
• Level-dependent metering of additives in industrial production engineering
• Metering of Fluids in Chemical Production
  • Incredible versatility: metering pumps in production
  • There are various types of metering pumps, but what they all have in common is reliability, robustness and thoroughness. That’s why all our pumps are in demand in chemical production.
• Feed Water Treatment in Energy Generation
  • ProMinent-style desalinated boiler feed water
  • Our water treatment know-how delivers desalinated and therefore high-quality, ultra-pure boiler feed water. No energy or water is lost with ProMinent.
• Flue Gas Cleaning in Energy Generation
  • Flue gas cleaning for fresh air and a clean environment
  • ProMinent understands how to incorporate the complex flue gas cleaning process in power plants. Harmful substances are reliably removed from the air before they enter the atmosphere.
• Heap Leaching in Mining
  • You can’t go wrong with perfectly metered leaching agents
  • ProMinent metering pumps reliably meter aggressive substances such as hydrochloric acid or sulfuric acid without being destroyed in the process. Only the hidden gold, silver, copper etc. is dissolved out of the ore.
• Metering of Fluids
  • Incredibly simple and efficient metering of chemicals
  • We transport chemicals with ease in any industrial environment: ProMinent solutions store, transfer and meter substances at rates of 0.1 l/h to 100,000 l/h at a pressure of 2 to 3,000 bar.