Turbine (Woltman) water meter with horizontal impeller axle MWN

Water meter for measuring the flow and volume of the cold water with a temperature to 30°C or hot water with a temperature to 130°C in the closed-circuit systems with the full flow of the flux with maximum working pressure up to 16 Bar (PN16) with flange drilling option up to PN25 (2.5 MPa).

Suitable for installation in horizontal, vertical and inclined pipelines with the counter directed upwards or sidewards in the transitional positions H-V in the multi-family houses and manufacturing plants.

Accuracy class MID

Cold water R100 ÷ 200 – H, V

Hot water R25 ÷ 40 – H, V

Basic technical characteristics


Type Q3 [m3/h] DN [mm] Length [mm] Weight [kg]
MWN 40 25 40 200 7,9
MWN 50 40 50 200 9,9
MWN 65 63 65 200 10,6
MWN 80 100 80 225 13,3
200 13,8
MWN 100 160 100 250 15,6
16MWN 125 250 125 250 18,1
MWN 150 400 150 300 40,1
MWN 200 630 200 350 51,1
MWN 250 1000 250 450 75,1
MWN 300 1600 300 500 103,1
MWN 400 1000 400 600 240
MWN 500 1500 500 800 380
MWN 130-40 25 40 200 7,9
MWN 130-50 25 50 200 9,9
MWN 130-65 40 65 200 10,9
MWN 130-80 63 80 225 13,3
13,8200 13,8
MWN 130-100 100 100 250 15,6
MWN 130-125 160 125 250 18,1
MWN 130-150 250 150 300 40,1
MWN 130-200 400 200 350 51,1
MWN 130-250 630 250 450 75,1
MWN 130-300 1000 300 500 103,1

Features and advantages

  • Wide measuring range
  • Low starting flow rate
  • Removable measuring insert
  • Ability to equip with the pressure gauge ( cold water DN50;65;80;010;150)
  • Double sided axle bearing
  • Easy reading of the counter
  • Hermetic counter in the IP68 option
  • Counter mechanism with blockade against multiple rotating
  • Indications reliability

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