Combination Water Meter

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Bulk water meter

At Langhua, our extensive experience in the water meter industry is reflected in our combination water meters, commonly known in the sector as compound water meters. These meters combine two different sizes, making them adaptable to a variety of water flow situations. They're designed to accurately measure water usage in both small and large pipelines, making them a reliable choice for places where water use fluctuates.

Applications

Combination water meters are used in situations with non-continuous, high-volume water supply. They are perfect for environments where water use varies significantly, experiencing frequent peaks and troughs in consumption.

Specifications

Nominal diameter	Overload flowrate Q4	Permanent flowrate Q3	Q3/Q1	Q2/Q1	Transitional flowrate Q2		Minimal flowrate Q1	Resolution of reading	Maximum reading
									P type	M type
					m³/h			m³
50	31.25	25	800	1.6	0.05	0.03		0.00005	99,999 999,999	99,999 999,999
80	78.8	63	1250	1.6	0.08	0.05				99,999 9,999,999
				4	0.2
100	125	100		1.6	0.13	0.08
				4	0.32
150	312.5	250		1.6	0.32	0.2
				4	0.8
200	500	400		1.6	0.5	0.3
				4	1.3

Dimensions

Nominal diameter	Length L	Width B	Height H	Connecting flange GB/T17241.6-1998
mm	mm			External diameter of flange D1	Bolt circle diameter D2	Connection bolt n-M
50	300	- -	213	165	125	4-M16
80	370	310	279	200	160	8-M16
100	370	330	289	220	180	8-M16
150	500	445	319	285	240	8-M20
200	550	516	383	340	295	8-M20

Features

Broad measurement scope: Ranging from the minimum flow of the bypass small diameter meter to the common flow of the large diameter main meter, achieving a range ratio of 1250 to 3000.
Innovative design: The meters feature a novel structure where the mechanism and flow conversion control valves are insertable and detachable, simplifying maintenance and cleaning.