VOLUMETRIC WOLTMANN TURBINE METERS WITH 
PULSE TRANSMITTERS

KWP ... - KWS ...

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APPLICATION

Volumetric Woltmann turbine meter suitable for use with IEB 7.. and IET 7.. integrators for metering thermal and/or refrigeration energy or for metering consumption of hot or cold water.

FEATURES

  • PN 16 flanged unions. 

  • Approved EEC 75/33 in Class B and approved PTB (German Meterological Institute).

  • Horizontal or vertical mounting.

  • Include reed pulse transmitter.

  • Connection cable 2 x 0.5 mm² x 3 m.

  • Protection: IP 68.

Code   DN Length(1) mm Qn m3/h Qmax m3/h Qt  m3/h Qmin m3/h Kws m3/h ∆p Qn kPa Pulse transmitters Data sheet
i/l (K) i/m3 l/i

T max 30 °C

KWP 50M (2)   50 200 15 30 3 0.45 112 1.8 0.001 1 1,000 H 632
KWP 65M (2)   65 200 25 50 5 0.75 205 1.5 0.001 1 1,000
KWP 80M (2)   80 225 40 80 8 1,20 365 1.2 0.001 1 1,000
KWP 100M (2)   100 250 60 120 12 1.80 365 2.3 0.001 1 1,000
KWP 125M (2)   125 250 100 200 20 3 335 9.1 0.001 1 1,000
KWP 150M (2)   150 300 150 300 30 4.5 980 2.4 0.001 1 1,000
KWP 200M (2)   200 350 250 500 50 7.5 1,800 2.1 0.001 1 1,000
T max 120 °C
KWS 50M (3)   50 200 15 30 2.4 0.6 150 1.0 0.001 1 1,000 H 632
KWS 65M (3)   65 200 25 30 4 1 145 3.0 0.001 1 1,000
KWS 80M (3)   80 225 32 45 8 2 320 1.0 0.001 1 1,000
KWS 100M (3)   100 250 60 180 9 2 300 4.1 0.001 1 1,000
KWS 125M (3)   125 250 100 250 15 3 610 2.7 0.001 1 1,000
KWS 150M (3)   150 300 150 350 22.5 4.5 1,000 2.4 0.001 1 1,000
KWS 200M (3)   200 350 250 600 37.5 8 2,000 1.7 0.001 1 1,000

  • (1) - Length flange to flange.

  • (2) - Approved for cold water (EEC 75/33).

  • (3) - Approved for hot water (EEC 79/830).

  • Qn - Nominal flow: Maximum continuous flow measurable by the meter.

  • Qmax - Maximum temporary flow bearable by the meter.

  • Qt -Transition flow: minimum limit with error less than ±2 %.

  • Qmin - Minimum flow limit: minimum limit with error less than ±5 %.

  • Kvs - Flow coefficient: Flow in m³/h with pressure drop of 100 kPa = 10 mWG = 1 bar.

  • ∆p Qn - Pressure drop at nominal flow Qn.

FOR APPLICATION ON DISTRICT HEATING SITES,
THE USE OF MECHANICAL VOLUMETRIC METERS IS NOT RECOMENDED

 

PRESSURE DROP IN VOLUMETRIC TURBINE-DRIVEN METERS WITH PULSE TRANSMITTER

KWP ... WOLTMANN

KWS ... WOLTMANN

 

100 kPa = 10 mWG = 1 bar