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Woltman Type Bulk Water Meters

Woltman Type Bulk Water Meters

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Woltman Type Bulk Water Meters

200mm Woltman Type Flanged End Water Meter

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