|
Water Meter 15NB to 40NB An inferential, multijet,dry type water meter with magnetic drive and vacuum sealed register.
Features
- Highly sensitive to low flow rates and very accurate over its entire flow range low head loss
- Vacuum sealed, leak proof and dry Totaliser.
- Self-lubricating gears
- Long maintenance free working life.
Standards Conforms to ISO 4064, Class-B.
Metrological Characteristics
|
Accuracy |
15mm |
20mm |
25mm
|
40mm
|
| |
|
CL-B |
CL-B |
CL-B |
CL-B |
|
Lower limit of flow, Qmin 1/h
|
+ 5%
|
30
|
50
|
70
|
200
|
|
Transitional flow, Qt 1/h
|
+ 2%
|
120
|
200
|
280
|
800
|
|
Nominal Flow, Qn 1/h
|
+ 2%
|
1500
|
2500
|
3500
|
10000
|
|
Maximum Flow, Qmax 1/h
|
+ 2%
|
3000
|
5000
|
7000
|
20000
|
|
Test pressure Mpa
|
2 |
|
Temperature suitability deg C
|
50 deg C |
|
Dial Registration KI
|
99999
|
|
Smallest reading lts.
|
0.05
|
0.5
|
Dimension
|
DESCRIPTION
|
15mm
|
20mm
|
25mm
|
40mm
|
|
Meter Thread
|
¾" BSP
|
1"BSP
|
1 1/4" BSP
|
2"BSP
|
|
End connection threads
|
½" BSP
|
¾" BSP
|
1"BSP
|
1 ½ " BSP
|
|
Length of meter with coupling
|
250mm
|
290mm
|
380mm
|
430mm
|
|
Length of meter without coupling L
|
165mm
|
195mm
|
225mm
|
245mm
|
|
Height H
|
110mm
|
113mm
|
115mm
|
155mm
|
|
Width B
|
96mm
|
96mm
|
100mm
|
124mm
|
|
Weight with coupling
|
1.49kg.
|
1.80kg.
|
2.10kg.
|
5.50kg.
|
|