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CATEGORIES

Metering Components & Pumps

Perfect dispensing of adhesives, lubricants and silicone Metering components and pumps by DOPAG are used in various industries for applying low to high-viscosity media. They guarantee high precision and accurate repeatability regarding the discharged quantities.

The metering system requires either the use of a drum or a vessel pump for pumping the material out of the original containers to the metering station under pressure. There, the material is metered either via a metering valve or via an electrical volumetric meter.

DOPAG metering valves are available in different versions which are all based on the volumetric metering principle. These metering valves are capable of processing low to high-viscosity media such as adhesives, sealants, greases, oils, pastes, and silicones.

The electronic volumetric metering system, which features an unlimited volumetric metering capacity, is perfectly suited for metering systems with a discharge volume of more than 100 ml. It is also suited for machine or gearbox filling. The integrated metering quantity feedback is an ideal solution for automated applications. Our products Single Component Systems Multi Component Systems Metering Components + Pumps Drum Pumps Material Pressure Regulators Volume Counter Dispensing Valves Metering Valves Micro Flow Sensor

PRODUCTS

  • Material Pressure Regulators
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    DOPAG material pressure regulators are used to reduce the feed pressure down to the required operating pressure. As well as accurately regulating material pressure, these valves will also compensate for pulsations that occur as a result of the reciprocating action of piston pumps. Pulsations cause a brief decrease in pressure that could lead to a slight reduction in the flow of material. These regulators can be used on materials with viscosities from 5,000 to 500,000 mPa s. DOPAG material pressure regulators are manufactured with two different types of construction:

    MPR with piston
    This type of material pressure regulator is especially suitable for the processing of selflubricating materials such as greases and oils as well as single and plural component silicones. The sealing of the spring space takes place via a slide ring seal.

    MPR with membrane
    This type of material pressure regulator is most suitable for use with reactive, moisture sensitive and, because the ball and seat are manufactured from tungste n carbide, also abrasive media, such as, epoxy resins, polyurethanes and many other materials. The sealing of the spring space takes place via the membrane.

      Product Features

    Manually adjustable
    Easy maintenance
    Ball sealing
    Valve seat sharp edged
    Material filter 30 mesh integrated

      Our products

    Single Component Systems
    Multi Component Systems
    Metering Components + Pumps
    Drum Pumps
    Material Pressure Regulators
    Volume Counter
    Dispensing Valves
    Metering Valves
    Micro Flow Sensor

      Downloads

    Brochure lubriLine
    pdf 2.97 MB
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  • MicroFlow Sensor
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    The Micro-Flow Sensor is a flow detectingdevice, used within a semi or fully automated metering process, to detect whether material has been dispensed.The Micro-Flow Sensor does not control the metering volume.

    It is used particularly when handling unfilled grease with NLGI class 1 to 3, high viscosityoils or silicone-oils. The Micro-Flow Sensor can be adapted tothe DOPAG Micro and Mini metering valves aswell as to the 419 range of metering valves.

      Features and benefits

    Continuous detection of material flow
    High process reliability
    Simple refitting to existing metering systems
    Compact sensor design
    Dependable electronics
    Simple operation
    No mechanical adjustment required
    Stainless steel wetted parts
    Adaptable to all DOPAG needle nozzles
    Function
    The Micro-Flow Sensor detects whether material hasbeen dispensed or not, without contact with the material. An induced analogue measurement signal is amplified andforwarded to the electronic controller. The sensor is ableto capture up to 120 metering cycles per minute. Should the electronic controller fail to send a signal asa result of no material flow, the master control unit willactivate an alarm.

      Technical Specifications

    Detecting volume 5 to 25 mm� per cycle with Micro metering valve 5 to 1.000 mm� per cycle with Mini metering valve and the 419 range of metering valves
    Cycle time up to 120 metering cycle per minute
    Material outlet Connector for DOPAG needle nozzle M 12 x 1
    Electronic control supply voltage 18 to 36 V DC
    Electronic control signal output 24 V DC, 500 mA max.
    Dimensions, L x B x H MICRO-FLOW Sensor without needle nozzle, 80 x 63 x 19 mm Electronic control, 115 x 100 x 19 mm
    Weight 110 g
  • Volume Counter
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    Volumetric meters measure the volume flow of liquids based on the gear principle. The measuring unit is constructed for highest accuracy with precisely fitted gears. The rotation of the measuring unit is precisely detected by a contactless signal sensor system and then converted into digital signals.

    In the sections in which they are completely enclosed by the housing walls, the tooth gaps of the measuring unit gears form measuring unit chambers which digitalize the flow depending on their chamber volume.

      Technical Specifications

    Volume counter0.10.41.64.0
    Pulse volume0.1010.4061.6224.06
    Measuring range l/min0.05 - 60.2 - 180.5 - 541.2 - 100
    Working pressure bar250250200200
    max. working pressure bar400400315315
    max. permissible pressure
    40404040
    max. permissible pressure
    10101010
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