Meters and Measurement Devices for Exact Consumption Data Acquisition

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The ultrasonic heat meter, 291 series (cast iron, flange type) adopts multi-channel operation for the measurement, which lowers the installation requirements for straight pipe. This series heat meter is more suited for the harsh installation conditions.

Meters and Measurement Devices for Exact Consumption Data Acquisition

Parameters
Line material: cast iron Connection type: flange type Nominal diameter range: DN50-DN400 Pressure rating: PN16/PN25 Water-proof grade: IP65 Power supply: M-BUS+built-in lithium battery or DC240V+ built-in lithium battery or built-in lithium battery Outline dimensions

Flow code	Nominal diameter DN	Height H	Flange outer diameter D	Length L	Bolt circle diameter D1	Bolt number on each side- thread n-M	Overload flow rate	Normal flow rate	Minimal flow rate
N400	250mm	625mm	405mm	450mm	355mm	12-M16	800m3/h	400m3/h	8m3/h
N600	300mm	680mm	460mm	500mm	410mm	12-M16	1200qm3/h	600m3/h	12m3/h
N800	350mm	735mm	520mm	550mm	470mm	16-M16	1600qm3/h	800m3/h	16m3/h
N1000	400mm	790mm	580mm	600mm	525mm	16-M16	2000qm3/h	1000m3/h	20m3/h

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