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      Burkert New Zealand Ltd.
      44 Rennie Drive, Airport Oaks
      Auckland 2022 New Zealand
      Phone +64 9 256 7737
      Fax +64 9 256 7747
      E-Mail fnyrf.am@ohexreg.pbz
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Span (proportional valve)

Ratio of the kVs value to the minimum kV value at which the characteristic curve remains within a tolerance band about the ideal characteristic curve in terms of its height and gradient achieved when it is fully open.

Span = kVs / kVmin

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