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Positive Displacement (PD) Flowmeters
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USD$175,030.00
FTB3002
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Toothless Oval Gear Construction (Patented)
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High Accuracy
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Compact Design
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High Resolution Electronic Output
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Temperatures to 176°C (350°F)
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Pressure Rated to 3000 PSIG with 1 NPT Fitting Standard
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Multiple Bearing Options
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316 Stainless Steel Construction (Standard)
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No Special Gears Needed for High Viscosity
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Linearity Unaffected by Viscosity Changes
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1 MNPT End Fitting Standard, Flange Optional
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View related products - Turbine, Paddle Wheel & Positive Displacement Flow Meters
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The oval-shaped smooth gears in the FTB3000 Series are used to displace a precise volume of fluid,which
is passed through th emeasurement chamber during each revolution. The toothless design,working with the
fluid being measured, provides a complete viscous seal within the measuring chamber. This sealing effect
provides for greater flow measurement accuracy.
The displacement of the fluid is translated via a magnetic or Hall-effect pick-up into a pulse output
that is proportional to the flow.
The unique design of the FTB3000 oval gear meter incorporates two smooth(toothless) oval gears positioned
90 degrees out of phase. The measurement gears are held together by two timing gears. The standard meter
contains no seal between the measurement chamber and the timing chamber. The timing gears have a pitch
diameter equal to the outside diameter of the measurement gears. The flow through the meter measurement
chamber follows the path of least resistance. Therefore, no liquid passes through the center cavity
between the measurement gears. The fluid is displaced from the inlet to the outlet via the area between the smooth oval gear and the
inner diameter of the meter housing.
Conventional oval gears have teeth that mesh. One of the advantages of smooth oval gears is that the
viscous flow does not get trapped or squeezed between the gears. Typically, oval gears need to have cuts
made in the teeth to allow high viscosity fluids to pass. These cuts result in a decrease in accuracy.
SPECIFICATIONS
Service Fluid: Clean liquids, max particle size 3.175 mm (0.125")
Accuracy: ±0.25% of reading
Viscosity: 100 cSt or greater
Repeatability: ±0.05%
Operating Temperature:
FTB3001: -240 to 176°C (-400 to 350°F)
FTB3002: -40 to 150°C (-40 to 302°F)
Operating Pressure: 3000 psig standard
Wetted Parts: 316 SS body and gears with PEEK™ gear seats
Bearings: Shielded, self-lubricating 440 SS ball bearings
Connections: 1 MNPT
Pick Up Coil: Magnetic type or Hall Effect (6 to 24 Vdc power)
Calibration: Ten-point calibration traceable to NIST @ 100 centistokes
Weight: 7.53 kg (16.6 lb)
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† All dollar amounts on this site are shown in US currency.
Note: Add suffix “-150LBF” (150 lb stainless steel flange) or “-300LBF” (300 lb stainless steel flange) to the part number and $250 to the price.
Comes complete with operator’s manual, mating connector, and 10-point NIST calibration.
Ordering Example: (1) FTB3002 Hall effect output, max temp. 150°C (302°F) unit with operator’s manual and 10-point NIST calibration, USD$175,030.00
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