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Oval Gear Flow Sensor & Meter — real BROIL product photograph
POSITIVE DISPLACEMENT — POSITIVE DISPLACEMENT METER

Oval Gear Flow Sensor & Meter

Two rotors turn. Every drop is counted.

BROIL's industrial positive displacement flow meter utilizes specially designed oval rotors at its core, ensuring high accuracy and long life. These field-proven oval rotors excel in measuring a wide range of high-viscosity fluids, making the meter suitable for diverse industrial applications.

Enclosure
Aluminum / SS-304 / SS-316 / Cast Iron
Rotor
Aluminum / SS-316 / PPS
Shaft
Hard SS-316
Repeatability
0.01%
Where it is used

Markets & areas of application

Light and heavy fuel oils, hydraulics test rigs with varying viscosities and fluids — an excellent choice for laminating systems, painting systems, adhesive dispense systems, and batching systems. Aluminum wetted parts suit kerosene, gasoline, diesel, light and heavy oil. Stainless steel wetted parts suit wine, beer, alcohol, milk and food liquid. PPS wetted parts suit chemical and pharma drug applications.

Click any industry to see the full product list for it, or tell us your process and we will confirm the match.

01 · Performance

Performance Data

Wide flow range from 0.5 L/H to 1,50,000 L/H, pressure up to 300 Bar, independent of viscosity, high resolution, pulsation-free measurement, non-sensitive to pulsating flows, and resistant to corrosion by advanced materials and bearings.

03 · Why choose it

Advantages

Wide range of design options with different output
Long life with high accuracy and repeatability
04 · Build & specification

General Specification

Enclosure
Aluminum / SS-304 / SS-316 / Cast Iron
Rotor
Aluminum / SS-316 / PPS
Shaft
Hard SS-316
Repeatability
0.01%
Accuracy (standard position)
±0.5% Rs / 0.15% FSD
Maximum working pressure
5 MPa for Al, 30 MPa for SS
Fluid & ambient temperature
-20° to 150°C
Connection
Thread (F) or Flange
Electrical output

Output Sensor

Power voltage
5 / 12 / 24 V DC
Output signal
NPN/PNP Open Collector / Proxy Sensor
High electrical level
Higher than 8 V DC (input 12 VDC)
Low electrical level
Lower than 0.8 V DC (input 12 VDC)
Model range

Choose your model

BT-DOFS-004
Line Size: 4 mmRange: 0.5 ~ 60 L/HLiter / Pulse: 0.000363
BT-DOFS-006
Line Size: 6 mmRange: 5 ~ 150 L/HLiter / Pulse: 0.000714
BT-DOFS-008
Line Size: 8 mmRange: 20 ~ 300 L/HLiter / Pulse: 0.00240
BT-DOFS-012
Line Size: 12 mmRange: 50 ~ 1200 L/HLiter / Pulse: 0.00240
BT-DOFS-020
Line Size: 20 mmRange: 150 ~ 2000 L/HLiter / Pulse: 0.0156
BT-DOFS-025
Line Size: 25 mmRange: 200 ~ 4000 L/HLiter / Pulse: 0.0208
BT-DOFS-040
Line Size: 40 mmRange: 400 ~ 10000 L/HLiter / Pulse: 0.1428
BT-DOFS-050
Line Size: 50 mmRange: 600 ~ 20000 L/HLiter / Pulse: 0.1818
Show all 11 models →
BT-DOFS-080
Line Size: 80 mmRange: 1000 ~ 50000 L/HLiter / Pulse: 0.333
BT-DOFS-100
Line Size: 100 mmRange: 2000 ~ 100000 L/HLiter / Pulse: 1.0
BT-DOFS-150
Line Size: 150 mmRange: 5000 ~ 150000 L/HLiter / Pulse: 3.2
Build your unit

Configure it, then get a quote

Choose the options you need. The configuration code builds as you go, and the quote request carries every selection — so the price you get back is for the unit you actually want.

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