Meters and Measurement Devices for Exact Consumption Data Acquisition Manufacturer

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.

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