Precise grease and oil metering
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Grease and oil metering

Dispensing systems for the clean and precise application of lubricants

There are over 200 regular greasing and oiling applications involved in the production of a vehicle. Depending on the model, this can also be a lot higher. These applications ensure smooth operation, reduced friction, durability and noise prevention. Greasing and oiling applications play a similar role in furniture production. The application of lubricant on door hinges or drawer runners enables the doors and drawers to be opened and closed smoothly.

The requirements for each of these applications are different, and many factors need to be taken into account in the system design. Should the application be carried out in dot, bead or spray form? In what timeframe should the application be carried out? How is the metering system integrated into the production line? Key factors such as material properties or temperature play an important role in system design. There are special greases that are only used in wet environments, for example, and others that were specially developed for extreme temperatures. The valve and material should be perfectly coordinated.

The system concept generally comprises three main components: material feed, metering and dispensing valves, and process monitoring systems. DOPAG developed the lubriLine product line specially for the application of lubricants. All components can be used in a modular way and combined to form an individual system concept. Different drum and barrel pumps, pressure tanks and a transfer pump are available for the material feed. Depending on the requirement, there can be different system designs, such as a multi-part metering unit with a dispensing valve or a system with a metering valve. Various measuring devices can be added to ensure reliable process monitoring and reproducibility, such as a light barrier, a gear flow rate measuring cell or a pressure sensor. In this way, the system concept also be optimally integrated into fully automated production lines.

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Jake Ripberger Project Management
+1 859 918 5690
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Application cases


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All DOPAG articles at a glance:
  1. Dispensing two different types of grease

    We configured an automated lubricant dispensing system that optimises production processes in the automotive industry.

  2. Contactless application of grease and oil

    The contactless application of lubricants meets all conditions for complex, automated production processes and is now standard in many industries. We present the options.

  3. Manual application of lubricants

    DOPAG offers special dispensing stations for the manual application of lubricants. With the help of an adapter, components such as O-rings and other seals can be greased or oiled manually. 

  4. Valves for grease spraying in furniture production

    DOPAG offers furniture manufacturers flexible and reliable solutions for the automated application of lubricants.

  5. Valves for the contactless spray application of grease and oil
    Valves for the spray application of grease and oil. Contactless application of lubricants in areas difficult to access.
  6. Metering systems for optimal lubricant dispensing

    The requirements for the type of lubricant dispensing vary and always depend on the application being carried out. Learn here more about the four key factors for successful system design!

  7. Continuous dosing of lubricants, adhesives and sealants

    The membrane dispensing valve ensures a clean application and a high reliability in automated dosing processes.

  8. Shot valve for contactless greasing

    DOPAG presents the shot valve in a new video: It is perfectly suited for contactless material application in highly automated processes.

  9. Individual grease dispensing

    DOPAG has developed two special lubricant application systems for the production of ball screws in automotive industry.

  10. Automated grease metering

    DOPAG presents a production cell, that could be used for greasing and oiling applications. Disocver also valves for contactless material application.

  11. Accurate dosing of grease and oil

    DOPAG developed a special dosing system for the automated lubrication of gas springs.

  12. Lubrication in the automotive industry

    Individual grease and adhesive dispensing systems from DOPAG guarantee highest quality electric parking brakes.

Show more

Individual consulting and project support

In DOPAG’s competence centre in Cham (Switzerland), experts are constantly working on the further development of metering components and pumps.

During the project phase, DOPAG customers receive comprehensive consultation, from feasibility studies, initial design and tests in their own technical centre to on-site commissioning.

The end result is reliable, precise metering systems that meet all the requirements for automated production processes with their high quality standards.

For maximum precision and reliability:

  • Precise, stable production processes thanks to decades of experience in designing metering and application systems for greases and oils
  • Reliable process monitoring and reproducibility through precise measuring devices: light barriers, flow measuring cells, pressure sensors, etc.

For specific solutions that meet all the relevant requirements:

  • Application in the form of dot, bead or spray application
  • Application in exact cycles or time units
  • Consideration of all key factors including material properties or temperature
  • Integration of metering system into production line

For cost-efficient solutions:

  • Long service life of all components
  • Efficient production through material savings, e.g. low residual quantities in the drum
  • Rapid availability of replacement parts

Individual configuration of drum and pumps


Thanks to the modular design of DOPAG drum pumps, customers can combine various modules and features to create a product that perfectly matches their needs. With the DOPAG pump configurator, you could configure the right pump for your application just with a few clicks and request a quotation directly. All you need to know to use the tool are the material properties, drum/container dimensions and the features you want your new pump to have.

Configure your drum pump now!


In addition to the standard version, you can add certain options depending on your requirements. These include a material filter, mixer, connecting block and pressure release. Depending on the container size, a drum roll-in mechanism can also be selected for convenient drum changing. If you have any questions, our experts will of course be happy to advise you at any time.

Configure your drum pump now!

All products at a glance

  1. Chamber metering valves

    Chamber metering valves

    Chamber metering valves are used for dot application. They offer a wide range of shot sizes and feature a drip-free mechanism.

  2. Diaphragm dispensing valves

    Diaphragm dispensing valves

    Diaphragm dispensing valves are used for continuous application of 1K media. They can process reactive, abrasive and chemically aggressive material.

  3. Gear Flow Meter

    Gear Flow Meter

    Developed specifically for use in DOPAG metering systems, the flow meter is used for measuring the exact material flow rate at any given moment.

  4. Gear metering pumps

    Gear metering pumps

    For continuous, pulsation-free metering of adhesives, sealants or lubricants, DOPAG offers a reliable solution in the form of the gear metering pump. 

  5. Handheld dispensing valves

    Handheld dispensing valves

    Handheld dispensing valves from DOPAG enable a clean manual application of greases and oils.

  6. Handheld metering valves

    Handheld metering valves

    DOPAG offers a variety of handheld metering valves for the manual dispensing of lubricants.

  7. High-speed valves

    High-speed valves

    High-speed valves are used for contactless lubrication in automated processes. They are excellent at greasing hard-to-reach spaces in a clean and precise manner.

  8. Light barrier

    Light barrier

    The light barrier is used with shot and high-speed valves to monitor the number of discharged shots.

  9. Material pressure regulator

    Material pressure regulator

    The material pressure regulator ensures a pulsation-free dispensing of grease, oil and silicone.

  10. Metering control unit

    Metering control unit

    The control unit has been designed for the monitoring and control of complex metering processes. It simplifies metering by enabling users to store and recall various programmes.

  11. Micro-Flow Sensor

    Micro-Flow Sensor

    The micro-flow sensor is a flow detection device, used with needle metering valves to confirm that material is being dispensed.

  12. Needle dispensing valves

    Needle dispensing valves

    Needle dispensing valves offer high flexibility and are ideal for continuous applications of low to high viscosity media.

  13. Needle metering valves

    Needle metering valves

    Needle metering valves are ideal for applications requiring the application of small quantities with higher reproducibility and short cycle times.

  14. Pressure sensors

    Pressure sensors

    Pressure sensors for the monitoring of material pressure in complex dispensing processes using shot or spray valves.

  15. Pressure Tanks

    Pressure Tanks

    For effortless and clean feeding of low viscosity media such as paint, oils and preservatives.

  16. Pumps for adhesives and sealants

    Pumps for adhesives and sealants

    Double-acting chop check pumps are an effective solution wherever adhesive, sealant, grease or oil feeding requires higher-performance technology. 

  17. Pumps for lubricants

    Pumps for lubricants

    The lubriLine pump range offers products specially designed for the processing of grease and oil.

  18. Refill units

    Refill units

    For uninterrupted production: refill units from DOPAG ensure automated refilling of material pressure tanks during production.

  19. Rotary Applicator

    Rotary Applicator

    The rotary applicator was specially developed for 360° greasing or oiling of holes.

  20. Shot valves

    Shot valves

    DOPAG shot valves are designed for an accurate and contactless application of lubricants in automated production processes.

  21. Spray Guns

    Spray Guns

    The spray gun is our solution to manual full-surface application of greases and oils.

  22. Spray valves

    Spray valves

    The DOPAG spray valve has been specially designed for the application of grease and oil over the entire surface. 

  23. Stroke detection

    Stroke detection

    The stroke detection device reliably monitors the correct activity in various dispensing and metering valve types.

  24. Transfer Pumps

    Transfer Pumps

    Transfer pumps are used for material feeding directly from the original containers.

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