BTV 25 R
Threaded water meters for buildings with dry roller counter - BTV 25-R
Designation: Designed for reporting hot and cold water of larger consumers: residential cooperatives, public establishments (institution, places) and small businesses. Water meters can be mounted on a horizontal section of the pipeline.
Metrological characteristics - Waser meters ВТV 25 –R DN 50
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Index name |
ВТV 25 -R DN 50 |
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Permanent flowrate Q3, m3/h |
25 |
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Ratio Q3 / Q1 R |
50 |
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Minimum flowrate Q1, m3/h |
0,5 |
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Transitional flowrate Q2,m3/h Q2 / Q1 = 1,6 |
0,8 |
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Overload flowrate Q4, m3/h Q4/ Q3 = 1,25 |
31,25 |
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Installation: horizontal |
Н |
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Nominal diameter DN, mm |
50 |
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Maximum Admissible working Pressure MAP, bar |
10 |
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Pressure looss ∆P, bar |
0,63 |
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Value of the verification interval , l |
T50 |
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Indicating range, m3 |
999 999 |
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Temperature classe |
T 0-30 |
T 30-50 |
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Measuring error, % Q1 < Q < Q2 Q2 < Q < Q4 |
+-5 +-2 |
+-5 +-2 |
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Sensitivity-straght lehgths |
U5; D5 |
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Mechanical clas |
M1 |
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Electromagnettc environments |
E1 |
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Environmental classification |
B |
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Length body L1, mm |
260 |
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Tread of the body, G “ |
G 2 ½” |
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Tread of connectors, G “ |
G 2” |
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Length with connectors, mm |
360 |
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Width B, mm |
140 |
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Height H, mm |
170 |
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Weight, kg |
8,3 |
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2019-07-04 10:20:13 UTC