Enginery
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
Detailed Introduction
Product application
Product features
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
Structural shape
Installation requirements
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 |
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
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