BTV 25 R

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

Index name

ВТV 25 -R

DN 50

Permanent flowrate Q3, m3/h

25

Ratio Q3 / Q1       R

50

Minimum flowrate Q1, m3/h

0,5

Transitional flowrate Q2,m3/h   Q2 / Q11,6

0,8

Overload flowrate Q4, m3/h

Q4/ Q3  =   1,25

31,25

Installation: horizontal

Н

Nominal diameter DN, mm

50

Maximum Admissible working Pressure MAP, bar

10

Pressure looss ∆P, bar

0,63

Value of the verification interval , l

T50

Indicating range, m3

999 999

Temperature classe

T

0-30

T

30-50

Measuring error, %

Q<       Q      <      Q2

Q2        <       Q      <      Q4

 

+-5

+-2

 

+-5

+-2

Sensitivity-straght lehgths

U5; D5

Mechanical clas

M1

Electromagnettc environments

E1

Environmental classification

B

Length body L1, mm

260

Tread of the body, G “

G 2 ½”

Tread of connectors, G “

G 2”

Length with connectors, mm

360

Width B, mm

140

Height H, mm

170

Weight, kg

8,3

 

2019-07-04 10:20:13 UTC