Endress+Hauser Proline Promag D 400 HART Operating Instructions Manual page 20

Mounting
20
AйdisplayйprotectorйcanйbeйorderedйfromйEndress+Hauser:й"Accessories"йsection
с ййй124)
System pressure
Neverйinstallйtheйsensorйonйtheйpumpйsuctionйsideйinйorderйtoйavoidйtheйriskйofйlowйpressure,
andйthusйdamageйtoйtheйliner.
Furthermore,йinstallйpulseйdampersйifйreciprocating,йdiaphragmйorйperistalticйpumps
areйused.
• Forйinformationйonйtheйlinerр s йresistanceйtoйpartialйvacuumйс ййй133)
• Informationйonйtheйshockйresistanceйofйtheйmeasuringйsystemйс ййй133)
• Informationйonйtheйvibrationйresistanceйofйtheйmeasuringйsystemйс ййй133)
Vibrations
Inйtheйeventйofйveryйstrongйvibrations,йtheйpipeйandйsensorйmustйbeйsupportedйandйfixed.
Itйisйalsoйadvisableйtoйmountйtheйsensorйandйtransmitterйseparately.
Informationйonйtheйshockйresistanceйofйtheйmeasuringйsystemйс ййй133)
Informationйonйtheйvibrationйresistanceйofйtheйmeasuringйsystemйс ййй133)
5 Measures to avoid device vibrations (L > 10 m (33 ft))
Adapters
SuitableйadaptersйtoйDINйENй545йсdouble-flangeйreducers)йcanйbeйusedйtoйinstallйtheйsensor
inйlarger-diameterйpipes.йTheйresultantйincreaseйinйtheйrateйofйflowйimprovesйmeasuring
accuracyйwithйveryйslow-movingйfluids.йTheйnomogramйshownйhereйcanйbeйusedйto
calculateйtheйpressureйlossйcausedйbyйreducersйandйexpanders.
Theйnomogramйonlyйappliesйtoйliquidsйwithйaйviscosityйsimilarйtoйthatйofйwater.
1. Calculateйtheйratioйofйtheйdiametersйd/D.
2. Fromйtheйnomogramйreadйoffйtheйpressureйlossйasйaйfunctionйofйflowйvelocity
сdownstreamйfromйtheйreduction)йandйtheйd/Dйratio.
ProlineйPromagйDй400йHART
ййA0015594
L
ййA0016266
Endress+Hauser