Woltman Helix water meter can be divided into horizontal Helix Woltman water meter(WPH)and vertical Helix
Woltman water meter(WS)according to different of water meter internal structure,but the water meters are
installed horizontally,The advantage of vertical Woltman water meter(WS)is a wider flow range(R80/R160/R200). The installation does not need the strict requirements of straight pipe section and external filter.
Use:horizontal woltman water meter is used to measure the total flow of large flow pipeline.It is especially suitable for water supply main pipeine and mining water demand of large plants.The main features are large circulation capacity, small volume,compact structure,easy to use and maintenance.
Applicable conditions:
▶ Size:DN40~DN600
▶Material:Cast iron shell
▶ Cold water:0.1~30℃
▶ Hot water:0.1~90℃
▶ Working pressure:1.0MPa/1.6Mpa
Installation method:
1.Horizontal installation.
2.Additional water filter is required.
3.The water inlet/outlet of the water meter needs straight pipe section U10/D5.
Characteristics:
1.Dry magnetic transmission structure ensures that the counter is clean and clear.
2.Large flow capacity,small pressure loss and stable performance curve.
3.The measuring movement is replaceable and easy to disassemble.
4.Stainless steel fasteners and epoxy resin powder are sprayed inside and outside the shellto maximize rust prevention and prolong the service life of the product.
5.The measuring mechanism has good universality,magnetic connection,smalltransmission resistance,sensitive and reliable operation.
6.The counter is vacuum sealed,anti condensation and atomization,and can keep the reading clear and accurate all year round
Technical parameter:
DN
(mm)
Flow range
Maximum
Q4
Common
flow
Q3
Boundary
Q
Minimum
Q1
Minimum
reading
Maximum
reading
Q3/Q1
m
³/h
m³
40
80
50
40
0.8
0.5
0.001
999,999
50
80
50
40
0.8
0.5
0.001
999,999
65
80
78.75
63
1.4
0.79
0.001
999,999
80
80
125
100
2.0
1.25
0.001
999,999
100
80
200
160
3.2
2.0
0.001
999,999
150
80
500
400
8.0
5.0
0.001
9,999,999
200
80
800
630
12.6
7.88
0.001
9,999,999
250
80
1260
1008
20.16
12.6
0.02
9,999,999
300
80
2000
1600
32
20
0.02
9,999,999
350
80
2800
2240
44.18
28
0.2
999,999,999
400
80
3200
2560
51.2
32
0.2
999,999,999
450
80
3200
2560
51.2
32
0.2
999,999,999
500
80
5000
4000
80
50
0.2
999,999,999
600
80
8000
6400
128
80
0.2
999,999,999
Overall dimension and weight:
DN
(mm)
Length
Height
Connection flange
Reference weight
L(mm)
H(mm)
Flange outer
diameter
Center diameter
of bolt hole D1(mm)
Number of
connecting bolts
kg
40
200
198
150
110
4-M16
8.3
50
200
205
165
125
4-M16
10
65
200
218
185
145
4-M16
12.5
80
225
280
200
160
8-M16
13.6
100
250
290
220
180
8-M16
18.3
150
300
320
285
240
8-M20
28
200
350
365
340
295
12-M20
44.8
250
450
434
450
400
12-M20
80
300
500
459
500
410
12-M24
98
350
500
590
505/520
460/470
16-M20/16-M24
145
400
600
660
565/580
515/525
16-M24/16-M24
199
450
600
700
615/640
565/585
20-M24/20-M27
270
500
800
760
670/715
620/650
20-M24/20-M30
320
600
800
880
780/840
725/770
20-M27/20-M33
520
A.The maximum allowable error ofa 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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