6Technicaldata
Itisimportanttoobservethetechnicaldataduringinstallation,operationandmaintenance.
Informthepersonnelaboutthetechnicaldata.
CPMI-2:Constant-PressureModulatingInlet.
CPMO-2:Constant-PressureModulatingOutlet.
6.2Selection/pressuredrop-capacitydiagram
NOTE! NOTE!
NOTE!
Forthediagramsthefollowingapplies:
Medium:Water(20°C)(68°F).
Measurement:InaccordancewithVDI2173.
Example Example
Example
1 1
1
:
CPMI-2:
PressuredropΔp=200kPa.(29psi)
FlowQ=8m
3
/h.(35gal/min)
Select:CPMI-2,Kv23whichatworkingpointwillbe48%open.
Example Example
Example
2: 2:
2:
CPMI-2:
PressuredropΔp=300kPa.(43.5psi)
FlowQ=1m
3
/h.(4.4gal/m)
Select:CPMI-2,Kv2/15whichatworkingpointwillbeapprox.35%openequaltoabout50%oftheregulatingarea.
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