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Home > Electrical
Equipment > Pipeline fittings Cold water meters
VSH water meter is designed for metering the volume of the cold
water flowing through it. It has a counting head with roll and pointer indicators.
VSH(d) - with pulse output.
.
Checklist: cold water meter - VSH rotary with internal diameter
Du 15...40 mm or VSHg turbine-type with internal diameter 50...250 mm. Fluid
flow metering method: tachometer. Calibration procedure: onsite.
Service life: not less than 12 years. .
SPECIFICATIONS |
VALUES | Passage
diameter of cold water meter, mm | 15...250 |
Straight portion lengths: to
the meter installation site, not less after the site, not less |
5 Du 1 Du
|
Meter's fluid pressure loss under Qmax, below, kPa rotary-type
meters turbine-type meters |
100 10
| Maximum
water temperature, deg. | 50 |
Maximum water pressure, MPa |
1.6 | Water
volume metering's basic relative error in the range of its consumption 4 to
100%, % | ± 2
|
Du, mm | 15 |
20 | 25 |
32 | 40 |
50 | 65 |
80 |
100 | 125 |
150 | 200 |
250 | Consumption,
m/h Q min Q max | 0.03
3
| 0.05 5
|
0.14 7
|
0.24 12
| 0.3 20
|
1.5 40
|
1.5 70
| 1.9 110
|
2.5 180
|
5.5 250
| 5.5 350
|
12 650
|
20 1200
|
Du, mm |
15 | 20 |
25 | 32 |
40 | 50 |
65 | 80 |
100 | 125 |
150 | 200 |
250 |
H, mm L, mm M, mm | 75
170 0.5 | 75 230 0.6
| 110 340 2.2 |
110 400 4.2 | 110
438 4.7 | 220 200 15 |
230 200 17 | 240
225 19 | 255 250 22 |
270 250 28 | 345
300 37 | 370 350 50 |
415 450 62 |
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