Master Flowmeter Avery-Hardoll


Avery-Hardoll flowmeters are precision made, positive displacement, liquid measuring instruments that maintain accurate metering over long periods of operation. Simplicity of design and construction together with sustained accuracy has led to the widespread use of BM Series meters on aviation refuelling vehicles as well as master meters for use in calibration throughout the world.

Liquid Controls is committed to maintaining the decades long legacy of Avery-Hardoll quality and precision in aviation fueling. Inside their state of the art manufacturing and testing facility in Lake Bluff, Illinois, Avery-Hardoll metering products are manufactured and vigorously 100% flow tested before being put into service.

Meter Series : BM 250
Size : 2 1/2 Inch
Repeatability Typically:± 0.02%
Max Working Pressure:10.5 Bar (150 Psi)
Hydraulic Test pressure :300 Psi
Max Working Temperature : – 28° to 100°C
Volume per-revolution:2.27 LITER/min
Flange Rating  : Ductile Iron Steel  ASA 150 FF
— Flowrate :25 ~ 250 Imp Gallon
— Flowrate :115 ~ 1140 l/m
— Flowrate : 7 ~ 68 m3/hr
Type  : Direct Reading


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Mr. Sihol : 0821 3000 4419
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