WM3 Woltman Water Meter

Dry Dial Removable Mechanism (Hot Water)
WM3 - Woltman Water Meter

Features

  • It is dismountable and its movement can be pulled out easily for repair and exchange without taking the meter from pipe. (The recorder can be replaced on condition that water is available)
  • The recorder is sealed up so that readings are over clear.
  • Measuring devices are general – purpose and can reduce alternate parts.
  • Its parts are connected magnetically and work numbly and reliably because of slight obstruction.
  • The pressure loss is small.
  • It is durable.

Working Conditions

  • Hot
    Water Temperature: 90°C
    Water Pressure: 1MPa
    ∆P < 0.03MPa

Accuracy

  • From minimum flow-rate (Qmin) inclusive, to transitional flow-rate (Qt),exclusive: ±5%
  • From transitional flow-rate (Qt) inclusive, to overload flow-rate (Qs), exclusive: ±2%
  • Hot: Exclusive: ±3%

Application

Dismountable spiral hot water is for recording discharge, flowing through its pipe. It can not record the amount of polluted water end corrosive liquid.

Dimensions (in mm)

Nominal Size DN Length L Width W Height H Outer Diameter of Flange D The Center Diameter of Connecting Bolt D1 Connecting Bolt (pcs.) Weight (Kg)
50 200 172 247 165 125 4xM16 12
65 200 185 260 185 145 8xM16 13
80 225 200 264.5 200 160 8xM16 15
100 250 225 271.5 220 180 8xM20 15
125 250 250 295 250 210 8xM20 23
150 300 285 301.5 285 240 8xM20 30
200 350 340 358.5 340 295 12xM20 42
250 400 395 413.5 395 350 12xM20 51
300 450 445 463.5 445 400 12xM20 63

Technical Data

Nominal Size DN (mm) Class of measurement Overload flow-rate Qs (m³/h) Permanent flow-rate Qp (m³/h) Transitional flow-rate Qt (l/h) Minimum flow-rate Qmin (l/h) Minimum Reading Min (m³) Minimum Reading Max (m³)
50 B 30 15 3 0.45 0.02 999999
65 B 50 25 5 0.75 0.02 999999
80 B 80 40 8 1.2 0.01 999999
100 B 120 50 12 1.8 0.1 999999
125 B 200 100 20 3 0.1 999999
150 B 300 150 30 4.5 0.1 9999999
200 B 500 250 50 7.5 0.1 9999999
250 B 800 400 30 80 0.1 9999999
300 B 1200 800 30 18 0.1 9999999

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