Thiết bị đo lưu lượng Nixon BGN Metal Tube Variable Area Flowmeter
The BGN range of metal tube variable area flowmeters has been designed for those applications where
conventional glass tube instruments may not be used on account of high pressures or liquid opacity, or for
safety considerations when metering hazardous chemicals.
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As opposed to the 'fixed float diameter tapered tube' principle used in conventional variable area meters,
the BGN utilises a fixed sharp edged orifice and tapered profiled float, the float profile being machined
to exacting standards to ensure a linear scaling.