Flow measurements

On our air and water benches we measure for your valve: 

Flow coefficient
(KV-/CV-Wert)
Friction factor
(Zeta-value)
Sound pressure level
(xfz -value)
Flow rate
of safety devices (Kd -value)
Other
Flow measurements

Flow coefficient (KV-/CV-value)

KV-value measurements for: 

  • Nominal flow coefficient (KVS-value) for fittings/valves
  • Inherent flow characteristic curve (KV-value-curve) for control valves
  • according to DIN EN 60534 (1267), ANSI/ISA S75.02.01, VDI/VDE 2173
  • nominal size DN 6 - 900
  • KV-value up to 5.000 m³/h *
  • with water/air flow

* larger KV values can be determined with blower

Other measurable factors according to DIN EN 60534:

  • Pressure recovery factor (FL -value)
  • Critical pressure drop ratio (xT -value)
KV-Wert-Messung
Messung Widerstandbeiwert

Friction factor (zeta-value)

  • nominal size DN 6 - 900
  • with water/air flow

Sound pressure level (xfz-value)

for flow through valves or pipe components 

  • according to DIN EN 60534-8
  • nominal size up to DN 100
  • with water/air flow
Prüfung Schalldruckpegel
Messung bei Sicherheitsventilen, Berstscheiben

Flow rate of safety valve or rupture disks
(Discharge coefficient/Kd -value)

  • according to DIN EN ISO 4126
  • nominal size up to DN 100
  • max. pressure up to 24 bar
  • with water/air flow

Other flow measurements

According to your individual testing requirements, the following metrics can be measured: 

  • Flow rate
  • (Differential-)pressure
  • Temperature
  • Sound pressure level

Example: Comparison measurements for multiple flow meters 

Durchflussmessung

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Dr.-Ing. T. Bäumer GmbH
Altensenner Weg 75
D-32052 Herford
+49 5221 993519
info@ib-baeumer.de

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