Turbine flow meter for oil

Accurate measurement of the flow of oils is crucial for industrial processes. DDM Sensors offers application-specific turbine flowmeters for this task, which can be perfectly integrated into your application.

Which oils can be reliably detected with the turbine flowmeters?

The turbine flowmeters from DDM Sensors are designed for the reliable detection of a variety of oils. These include, among others:

• Mineral oils
• Synthetic oils
• Hydraulic oils
• Fuels such as diesel, heating oil, or kerosene

Technical specifications of the turbine flowmeters

The turbine flowmeters of the VCT-AN and FLT model series cover a wide spectrum of technical requirements for oil measurement.

The essential features: measuring range, nominal width, process connection, material, viscosity and temperature range as well as various pressure levels and output signals can be customized upon request specifically for your application.

Feature	Model FLT	Model VCT-AN
Measuring ranges	0.06 to 1200 l/min	0.0 to 100 l/min
Nominal widths	3/8″ to 2″ (or AN8 to AN32)	AN8 to AN12 (internal Ø 6.8 to 50 mm)
Process connections	Thread (AN8 to AN32; M18 to M52), Ermeto EO cutting ring (DIN 3861), AN thread 37° flare (ISO 8434-2)	Threaded connection ( AN8 to AN32)
Materials	High-performance hybrid ball bearings with ceramic balls and stainless steel cages	High-performance hybrid ball bearings with ceramic balls and stainless steel cages
Viscosity ranges	Works viscosity-independently in combination with flow computers (VCA/VCA-T)	Works viscosity-independently in combination with flow computers (VCA/VCA-T)
Pressure levels	High pressure up to 500 bar depending on size	25 bar max., others on request
Temperature ranges	Medium: -40 to +150°C; Ambient: -40 to +125°C	Medium: -40 to +150°C; Ambient: -40 to +125°C Media-contacting thermocouple type T
Output signals	TTL signal (turbine frequency max. 2 kHz)	TTL level (turbine frequency max. 2 kHz)

Advantages of DDM Sensors turbine flowmeters for oil

The turbine flowmeters from DDM Sensors specifically address the technical challenges in oil measurement and offer specific solution approaches for this.

Intelligent design for fluctuating viscosities

Through a hydrodynamically optimized turbine geometry and a special bearing, the influence of fluctuating viscosities on the measurement result is minimized, what ensures high linearity and measurement accuracy over a wide viscosity range. For applications requiring the highest precision, viscosity correction can be performed using a flow computer. This design ensures high reliability, even under demanding conditions such as cold starts or strongly varying process temperatures, which significantly influence oil viscosity.

Highly efficient flow guidance for minimal pressure drop

The special rotor design and the integrated flow rectifier ensure low flow resistance and thus minimal pressure drop in the system. This advantage protects upstream pumps and contributes to the maintenance of the system pressure. For each specific application case, the exact pressure loss of the turbine can be calculated.

Maximum chemical resistance for longevity

The media-contacting components of the flowmeters consist exclusively of high-quality stainless steel and hybrid ball bearings with ceramic balls and stainless steel cages. Since the construction manages without classic seals and is based on a metallically sealing geometry, maximum material resistance against various types of oil such as mineral oil, synthetic oil, or hydraulic oil as well as their additives is ensured.

Certified calibration of turbine flowmeters

Each turbine flowmeter from DDM Sensors is delivered standard with a detailed factory calibration certificate. Calibration takes place on traceable test stands operated specifically with oil to ensure practical conditions. On request, calibration certified according to ISO 17025 (DAkkS) is also available.

Typical application areas for oil measurement

The turbine flowmeters are suitable for a variety of applications:

• Measurement of hydraulic oil on hydraulic test stands for component testing and system validation
• Monitoring of lubricating oil circuits in large transmissions, turbines, and engines.
• Fuel consumption measurement of diesel, heating oil, or kerosene in engines and burners
• Dosing applications of oils and additives in mixing processes
• Process monitoring in the chemical and petrochemical industry
• General testing of oil-operated components.

Customized turbine flowmeters for applications with oil

The development and manufacturing of application-specific flowmeters is a core competence of DDM Sensors. Individualizations include, for example, adapted overall lengths, customer-specific installation spaces, special process connections, alternative materials for aggressive media as well as high-temperature (up to 200°C) or high-pressure versions.

Service and support beyond the purchase

DDM Sensors is not only a manufacturer of pressure and flow measurement technology, but also a long-term partner who supports you comprehensively in your measurement tasks even after the purchase.

Ease of maintenance and spare parts availability

The modular design of the flowmeters allows simple and fast service. In particular, the ball bearings are available as separate spare part kits and can be replaced at the factory, so that in the event of bearing wear no replacement of the complete device is necessary.After a bearing replacement, a rapid calibration takes place at the factory with a throughput time of approx. two weeks, or faster if needed. Short delivery times ensure continuously accurate measurement.

Competent support in system integration

DDM Sensors offers comprehensive technical support that goes beyond pure product delivery. A permanent technical contact person supports customers in integrating the sensor signals into the PLC and advises on signal evaluation, configuration of measuring transducers, as well as direct commissioning support on-site or via remote maintenance.

Delivery and availability of turbine

Common standard models are usually available from stock for short-term needs. The delivery time for standard configurations is usually 3 to 4 weeks. For customer-specific special developments, the delivery time is approx. 8 to 12 weeks depending on complexity.

Get advice on turbine flowmeters for applications with oil now

The turbine flowmeters from DDM Sensors are characterized by their precision, robustness, adaptability, and excellent support. Request a non-binding technical consultation for your specific application to find the optimal metrological solution for your requirements together with the experts from DDM Sensors.