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Volumetric flow-meter series AM
with magnetic gear and electronic display
The am series volumetric flow-meter with oval gearwheels allow to perform precise and highly repeatable measurements, even with very vis-cous liquids, with up to 1,000,000 cps. The ease of use and compactness of these products, together with the possibility of installing and independent battery power supply, make them suitable to be fixed on fixed installations as well as transfer and distribution lines for fluids, both for mobile applications such as accessories for distribution valves and guns and for any other industrial application for the control of the delivered fluid.
CONNECTIONS: from 1/8” to 3”up to 1.000.000 cps
PRECISION: +/- 0,5%
REPEATABILITY: 0,03%
CONSTRUCTION MATERIALS:AISI316 - ALU - PPS
Two oval gearwheels are located inside the measuring body and, when pushed by the flow, they rotate in opposite directions; every gear contains two magnets which, coupled with an external sensor (reed type or hall effect sensor), transmit a pulsing signal. One of the sensors can be replaced by an analogue signal directly integrated in the electronic card. The frequency of the impulses determines the instantaneous flow rate, as every cycle corresponds to a given flow volume.
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The Brooks® portfolio of products includes additional liquid metering and controlling devices. These products are appropriate for numerous specialized applications.
* Flomega™ liquid flow meters and controllers use thermal mass flow technology to accurately measure and control liquids and are weatherproof and certified for use in hazardous areas
* Oval Gear positive displacement meters are ideal for highly viscous liquids in applications where accuracy and repeatability are critical
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KRAL Volumeter® for research and production test stands. Laboratory measurement precision is achieved despite fast flow changes and fluid oscillations.
The ideal conditions at the Bureaus of Standards however show the potential of KRAL precision. The screw spindle-metering from the KRAL Volumeter is on one hand very robust and handles the oscillation from pressure waves. On the other hand, the spindles are very quick and can follow fast changes of the flow velocity. Optional pressure pulse compensation is available that detects transient fluid waves.
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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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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