|
50mm Woltman Dial Picture
Salient Features
- Velocity type meter
- Direct magnetic transmission
- Class B ISO 4064
- Superior accuracy and long-term reliability
- Highly sensitive to low flow rate and very accurate over its entire flow range.
- Low head loss.
- Vacuum sealed. leak proof and dry Totaliser.
- Maintenance-free long working life.
Technical Parameters
Nominal Diameter (DN)
|
Unit
|
Single-jet
|
Multi-jet
|
mm
|
15
|
20
|
15
|
20
|
25
|
40
|
50
|
| Inches |
1/2
|
3/4
|
1/4
|
3/4
|
1
|
1 1/2
|
2
|
Starting Flow Rate
|
I/h |
14
|
18
|
14
|
18
|
25
|
70
|
80
|
Maximum Admissible Temp.
|
C |
45 C (Optional 90C)
|
Maximum Admissible Working Pressure
|
bar (kg/cm3)
|
10
|
Test Pressure - P
|
bar (kg/cm2)
|
16
|
Qmax
|
Max. Peak flow +- 2% Accuracy
|
m3/hr |
3.0
|
5.0
|
3.0
|
5.0
|
7.0
|
20.0
|
30.0
|
Qn
|
Nominal flow +- 2% Accuracy
|
m3/hr |
1.5
|
2.5
|
1.5
|
2.5
|
3.5
|
10.0
|
15.0
|
Qt.
|
Transitional flow +-2% Accuracy
|
I /h |
120
|
200
|
120
|
200
|
280
|
800
|
1200
|
Qmin
|
Minimum flow +- 5% Accuracy
|
I / h |
30
|
50
|
30
|
50
|
70
|
200
|
300
|
Head Loss at
|
Qmax
|
m |
7.0
|
7.0
|
6.5
|
7.5
|
9.0
|
5.0
|
4.8
|
Qn
|
m |
1.7
|
1.8
|
1.7
|
1.9
|
2.3
|
1.3
|
1.2
|
Dimension
|
Length (without Tail Pipes)
|
mm
|
|
|
165
|
190
|
260
|
300
|
330
|
Length (with Tail Pipes)
|
mm
|
250
|
290
|
250
|
290
|
380
|
430
|
470
|
|
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