MeiStream PlusHorizontal flail water meter （DN40-150）_Enginery_High Precision Series_Products_English

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MeiStream PlusHorizontal flail water meter （DN40-150）

Product application: wide range measurement, billing water meter of trade settlement, large flow measurement, such as: small flow calculation of water pump pipeline, such as: low area flow

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Detailed Introduction

Product application

In the billing water meters of wide range measurement and trade settlement, large flow measurement, for example: small flow calculation of water pump pipeline, for example; low area flow

Product features

·All round hydraulic balance technology. Greatly improved range and overload capacity

·The waterproof grade of toughened glass counter is IP68, which ensures that the counter surface does not fog

·Fully detachable and interchangeable movement

·Epoxy resin coating anti-corrosion treatment inside and outside the watch case, the whole watch meets the requirements of national Ministry of health and European drinking water standards

·The counter is equipped with hri-mei high frequency sensor, which can output pulse signal without magnetic interference and provide m.bus data interface

·Optional od pulse generator

technical parameter

Nominal diameter DN		40	50	65	80	100	150
Basis of measurement rangeGB/T778-2007	Q₃/Q₁	315	315	315	315	400	400
Basis of measurement rangeGB/T778-2007	Q₂/Q₁	1.6
Q5	Maximum peak flow within 24 hours Q4 or 5 minutes1.2×Q₄（±2%） m₃/h	50	55	60	120	160	400
Q₄	Overload flow（±2%）m³/h	31.25	31.25	50	78.75	125	312.5
Q₃	Common flow（±2%）m³/hh	25	25	40	63	100	250
Q₂	Boundary flow（±2%）m³/h	0.13	0.13	0.2	0.32	0.4	1
Q₁	Minimum flow（±5%）m³/h	0.08	0.08	0.13	0.2	0.25	0.63
Qs	Pickup flow m³/h	0.03	0.03	0.04	0.04	0.065	0.12
△P	Q₃pressure loss bar	0.09	0.08	0.17	0.07	0.16	0.14

Weight dimension
Nominal diameter DN			40*	40	50	65	80	100	150
size	Total length	L mm	245	220	200	200	225	250	300
	height	H mm	120	120	120	120	150	150	177
	width	h mm	48	69	73	85	95	105	135
	Removal height	g mm	200	200	200	200	270	270	356
weight	Whole table	kg	4.2	7.5	7.8	10.1	14.2	18.2	35.9
	Movement	kg	1.5	1.5	1.5	1.5	3.2	3.2	5.9
	housing	kg	2.7	6	6.3	8.6	11	15	30
Connecting flange according toGB/T17241.6-1998	Flange outer diameter	mm		150	165	185	200	220	285
	Diameter of bolt hole center circle	mm		110	125	145	160	180	240
	Number of single side bolts and hole diameter			4-φ19	4-φ19	4-φ19	4/8-φ19	8-φ19	8-φ23
*Relevant data of Dn40 threaded connection, tail pipe thread G2B, width W = 123mm

Structural shape

Installation requirements

Horizontal installation, head up

No requirement for upstream straight pipe length

Do not install the pipe with large cross-sectional area change at the outlet of water meter

Product Application

Enginery

MeiStream PlusHorizontal flail water meter （DN40-150）

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