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KRAL Volumeter® offer laboratory measuring accuracy even under rough industrial conditions.
Pressure pulsation compensation
KRAL Volumeter® have constructive characteristics making them suitable for mechanical strain caused by strong pressure pulsation.
Identification and consideration of return flows
Beside the flow sensor, KRAL Volumeter® are delivered with an optional sensor for recognising the flow direction. Together with our Flow Management Unit BEM 4U even short-termed flow reversals are identified and correctly taken into account when calculating the measuring value.
Please consider that we are a manufacturer of high quality displacement pumps and flowmeters for liquids. The products (pumps with magnetic couplings, high pressure flowmeters and flowmeters – chemically resistant) mentioned on this portal are only part of our product range. Please find more detailed information on our website or directly from us.
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The helical screw flowmeter is a high precision meter giving excellent reliability. It is mainly used for viscous fluids but will also perform well on low viscosity fluids. The basic range of meters are in aluminium or grey cast iron and stainless steel models are available. Flow rates range from 0.1 l/min to 7,500 l/min.
Suitable for wide ranges of viscosity these meters provide high accuracey measurement (+/-0.1%) for fuel and oil flows particularly for automotive and aviation test rig applications.
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The high-precision Volumeter from KRAL guarantees the precise maintaining of formulations, to achieve PUR products entirely free of any faults.
KRAL Volumeter® measure precise over a wide flow range, with high resolution and a low pressure loss. They be used successful in low pressure-PUR systems and closed-loop-regulations.
Please consider that we are a manufacturer of high quality displacement pumps and flowmeters for liquids. The products (pumps with magnetic couplings, high pressure flowmeters and flowmeters – chemically resistant) mentioned on this portal are only part of our product range. Please find more detailed information on our website or directly from us.
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The pick-up system consists of one or two sensor units,
which are screwed into the cover of the VS flow meter
and of a downstream switched amplifier. This amplifier is
connected with the flow meter by means of a temperature
resistant cable and has to be installed outside the high
temperature area, where the ambient temperature should
not exceed 50°C (122°F).
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The Titan oval gear flowmeters work by using the liquid pressure to drive a pair of interlocking oval gears. This rotation can be detected by a variety of means to give either a TTL or contact closure pulse output. The unit is manufactured in a choice of materials and pressure ratings to suit most applications and as with all positive displacement flowmeters, the performance improves with increasing viscosity, and can achieve an accuracy of ± 0.1% of reading.
The standard range of sizes covers from 0.25” to 2” BSPF connections, with maximum flows from 1l/min to 500 L/min depending on the model. Viscosities up to 10,000cP can be measured accurately, both in forward and reverse flow. Units are available for high pressure and temperature operation
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Oval type flow meters are a complete flow measurement and monitoring system for re-circulating oil systems.
The method of measurement is based on the rotation of special oval designed gears – the speed of which changes in proportion to the flow of oil through the meter. This gives a visual indication of the flow rate through the transparent cover and also sends electrical pulse signals to an electronic monitor or PLC to provide actual flow figures.
This also provides information to allow either low or high flow monitoring to be provided.
Measurement is independent of viscosity and therefore a real flow will be indicated throughout the temperature range.
Pressure drop through the flow meter is relatively low.
The flow meter is designed to pass a small flow even if the gears are prevented from turning due to solid particles contained in the oil. This prevents complete starvation of oil to bearings etc.
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The AT SERIES Flow Meter is ideal for measurement of harsh chemicals and liquids.
AT SERIES Positive Displacement Flowmeters can accurately measure flow rates down to 63 ml/min. Corrosion resistant materials make these sensors ideal for a wide variety of chemical flow monitoring applications.
SENSOR FEATURES
* Simple design - only two moving parts
* Low flow capability
* Measures pulsating flows
* Economical cost
* Non-metallic body & gears
* High resolution pulse output
* Low pressure drop
* Compact size
* Horizontal or vertical mounting
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fuel meter
DM100 Flow Meter
DM150 Flow Meter plus Filter
The DM100 has been designed to measure diesel, kerosene and petrol, and is made from corrosion resistant aluminium with easy to read mechanical register.
Features
- oval gear design
- low pressure drop allows for gravity and pump (in-line) applications
- register cap can be easily removed and rotated to every 90° orientation for display reading
- supplied with integrated mesh strainer
- available in Litre, US Gal, UK Gal calibration
- 5 year warranty
- 10 year parts availability
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Measuring the volume flow rate of liquids and liquefied gases and in loading systems in the chemical and petrochemical industry, in the mineral oil industry, in the food and beverage industry.
Oval Wheel Meter Series OV
DN 80 - 100
PN 16
flow rates 2,4 - 200 m³/h
accuracy ± 0,3 %
operating temperature according to design -10°C to 60°C
for custody transfer admitted
Oval Wheel Meter Flowal
G 1/2"
PN 16
for small flow rates 0,2 - 10 l/min
accuracy ± 1 - 2 %
operating temperature according to design -10°C to 80°C
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Liquid Meters Type FMO
Oval rotor type flowmeter in 7 model sizes for flowrates of 0,1 to 350 l/min and viscosities up to 500.000 mPas (cP).
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Flow measurement must be efficient, economical and, above all, suited for practical use. These demands call for a multi-functional systems that can easily be adapted to the individual requirements. Irrespective of whether the application relates to thin-bodied or viscous media, small quantities or an entire road tanker, with or without preselection - Lutz offers suitable systems for all applications
Flow meter TR:
- Turbine wheel principle
- Can be used in combination with all drum and
container pumps
- For aqueous, non flammable Medien
- Range of measurement up to 120 l/min
- Operating pressure up to 2 bar
- Housing made of PP or PVDF
- Without preselection
Flow meter TS:
- Nutating disc principle
- For mobile or stationary use
- For thin bodied to medium viscous liquids
- According to Atex 100a
- Range of measurement up to 120 l/min
- Operating pressure up to 10 bar
- Housing made of PPO, PPS or Stainless Steel
- With or without preselection
Flow meter HDO:
- Oval gear principle
- For mobile or stationary use
- For thin bodied to highly viscous liquids
- According to Atex 100a
- Range of measurement up to 350 l/min
- Operating pressure up to 55 bar
- Housing made of PPO, Aluminium or Stainless Steel
- With or without preselection
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- Sizes: 1 1/2" through 6"
- Flow Rates: 5 GPM through 1,000 GPM
- End Connections: ANSI Flanged, NPT, BSPT, Slip Weld
- Pressure Ratings
- Cast Case: 150 & 350 PSI non shock working pressure
- Two Case Steel Case: 150/150, 150/275, 300/300, 300/720 PSI; 600/1440 ANSI non-shock working pressure
- Materials of Construction
- Meter Body: Aluminum, Cast Iron, Steel, Stainless Steel
- Seal Materials: Buna "N"; Viton®; Teflon®
- Accuracy:
- Mechanical Registration:
- Capable of ±0.125% over a 5:1 range
- Capable of ±0.22% over a 10:1 range
- Capable of ±0.5% over a 40:1 range
- Electronic Registration:
- Capable of ±0.10% over a 5:1 range
- Capable of ±0.10% over a 10:1 range
- Capable of ±0.15% over a 40:1 range
- Repeatability:
- Mechanical Registration: 0.05% (±0.025%) of reading over entire range
- Electronic Registration: 0.03% (±0.015%) of reading over entire range
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Chemical injection fluids are normally viscous and are therefore natural applications for the VFF meter. The flowrates are relatively low and the pressure is high compared to most general industrial applications. The VFF Rotary meter is the ideal measuring element for these service requirements. Long term stability of metering and reliability is assured by the basic simplicity of design and quality of production.
VFF Meter Design & Advantages
The heart of the VFF meter is a simple but precisely made, oscillating rotor that sits freely within the rotor chamber of the meter. It is manufactured in a variety of materials. The meter principle is of 'positive displacement'. The rotor is driven 'positively' by the flow, which passes through the flowmeter in 'discrete pockets' with minimum fluid 'slippage'. This gives inherently greater accuracy than is available from axial flow turbine type meters for a low flow of a fluid more viscous than water. Each meter provides a exceptionally wide flowrange and has excellent low flow metering capability.
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Only the measuring capsule needs to be replaced on expiry of the calibration period
housing and coupling head (same design as CALYGA meter) remain fitted in the pipeline
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These meters are mainly used for viscous fluids for flow rates of less than 8 l/min. We specialise in low flow metering noting that the meters will return a rangeability of 1000:1 for most viscous fluids applications. Materials are 316 stainless steel with a variety of rotor materials. We can measure from 0.00016 to 1750 l/min. (and up to 4000bar)
The VFF range of meters are specificaly designed for very low flow (0.0003l/min), high pressure (2000bar) hazardous area (Ateax approved) applications. They have been in service for over 15 years in the UK North sea oil and gas industry for chemical injection applications.
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