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Water temperature: 0.1°C~40°C(cold water meter)
0.1°C~90°C(hot water meter)
Water pressure: ≤1.0Mpa (1.6MPa)
Maximum Permissible Errors
in the lower zone from qmin inclusive up to but excluding qt is ±5%in the upper zone from qt inclusive up to and including qs is ±2% (±3% for hot water meter)MAIN TECHNICAL SPECIFICATIONS
Type | Size(mm) | Class | qsOverloadFlow | qpPermanentFlow | qtTransitional Flow | qminMin.Flow | Min. Reading | Max.Reading |
m3/h | m3 | |||||||
WI-50 | 50 | A | 30 | 15 | 4.5 | 1.2 | 0.0002 | 999,999 |
WI -65 | 65 | A | 50 | 25 | 7.5 | 2.0 | 0.002 | 999,999 |
WI -80 | 80 | A | 80 | 40 | 12 | 3.2 | 0.002 | 999,999 |
WI -100 | 100 | A | 120 | 60 | 18 | 4.8 | 0.002 | 999,999 |
WI -125 | 125 | A | 200 | 100 | 30 | 8 | 0.002 | 999,999 |
WI -150 | 150 | A | 300 | 150 | 45 | 12 | 0.002 | 999,999 |
WI -200 | 200 | A | 500 | 250 | 75 | 20 | 0.002 | 999,999 |
WI 250 | 250 | A | 800 | 400 | 120 | 32 | 0.02 | 9,999,999 |
WI -300 | 300 | A | 1200 | 600 | 180 | 48 | 0.02 | 9,999,999 |
DIMENSION
Type | Size | LLength | HHeight | Connecting flange | ||||
φD1Outside diameter | φD2Bolt circle diameter | ConnectingBolts(n-M) | ||||||
mm | ||||||||
WI -50 | 50 | 200 | 253 | 165 | 125 | 4-M16 | ||
WI -65 | 65 | 200 | 268 | 185 | 145 | 4-M16 | ||
WI 80 | 80 | 225 | 284 | 200 | 160 | 8-M16 | ||
WI -100 | 100 | 250 | 295 | 220 | 180 | 8-M16 | ||
WI -125 | 125 | 250 | 310 | 250 | 210 | 8-M16 | ||
WI -150 | 150 | 300 | 339 | 285 | 240 | 8-M20 | ||
WI -200 | 200 | 350 | 382 | 340 | 295 | 8-M20(1.0MPa) | ||
12-M20(1.6MPa) | ||||||||
WI -250 | 250 | 400 | 433 | 395 | 350 | 12-M20(1.0MPa) | ||
450 | 438 | 405 | 355 | 12-M24(1.6MPa) | ||||
WI -300 | 300 | 450 | 483 | 445 | 400 | 12-M20(1.0MPa) | ||
500 | 488 | 460 | 410 | 12-M24(1.6MPa) | ||||
Horizontal vane wheel, dry-dial cold (hot) water meter