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Woltman Water Meter WS-40-200
  • Woltman Water Meter WS-40-200Woltman Water Meter WS-40-200

Woltman Water Meter WS-40-200

Use:vertical woltman water meter is a kind of woltman(screw wing)water meter.Screw wing water meter,also known as Woltmann water meter, is a kind of speed water meter,which is suitable for use in large-diameter pipeline.It is characterized by large flow capacity and small pressure loss.

Applicable conditions:

Material:Cast iron shell

▶ Cold water:0.1~30℃

▶Hot water:0.1~90℃

▶Working pressure:1.0MPa


Installation method:

1.Horizontal installation.

2.Additional water filter is not required.

3.The water inlet/outlet of the water meter does not need the requirements of straight pipe section.

Characteristics:

1.No worm geartransmission mechanism,impeller directly drives counter,high transmission efficiency and low starting flow.

2.Wide range,suitable for occasions with large flow change.

3.Full flow detection,high measurement accuracy.

4.Dry magnetictransmission structure ensures that the counter is clean and clear.

5.The six digit enlarged digital wheel displays the reading,and the reading is clearer.

6.The detachable metering movement structure is convenient for maintenance.

7.Internal adjustment structure to prevent private meter adjustment.

8.Built in stainless steel filter screen effectively protects the measuring mechanism.

9.The high wear-resistant bearing system(gem bearing for aviation instrument+high wear-resistant cemented carbide shaft)ensures the long-term stability and reliability of the product and significantly improves the maximum flow of the product.

10.Stainless steel fasteners and epoxy resin powder are applied inside and outside the shell to maximize rust prevention and prolong the service life of the product;Optional anti prying protective cover(prevent users from disassembling the movement without permission,damaging or changing the measuring mechanism,and play the role of anti-theft water to thegreatest extent).


Technical parameter:

DN (mm) Flow range Maximum flow Q4 Common flow Q3 Boundary flow Q2 Minimum flow Q1 Minimum reading Maximum reading
Q3/Q1 m³/h
40 50/200 50 40 1.28/1.25 0.8/0.2 0.0001 999, 999
50 50/200 50 40 1.28/1.25 0.8/0.2 0.0001 999, 999
80 50/200 80 63 2.0/2.0 1.26/0.32 0.0001 999, 999
100 50/200 125 100 3.2/3.12 2.0/0.5 0.0001 999, 999
150 50/200 312 250 8.0/7.88 5.0/1.25 0.0001 999, 999
200 50/200 500 400 12.8/12.5 8.0/2.0 0.0001 999, 999

Overall dimension and weight:

DN (mm) Length Height Connection flange Reference weight
L (mm) H (mm) h (mm) Flange outer diameter Center diameter of bolt hole D1(mm) Number of connecting bolts kg
40 280 228 85 150 110 4*M16 11.6
50 280 228 85 165 125 4*M16 12
80 370 282 103 200 160 8*M16 21.3
100 370 303 114 220 180 8*M16 25
150 500 430 155 285 240 8*M20 68.2
200 500 505 190 340 295 12*M20 99.8

A.The maximum allowable error of a low area(Q1≤Q<Q2)is±5%

B.When the water temperature is≤30℃,

the maximum allowable error in the high area(Q2≤Q≤Q4)is±2% When the water temperature is>30℃,

the maximum allowable error in the high area(Q2≤Q≤Q4)is±3%


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