Manual

9
PRESSURE INDEPENDENT CONTROL VALVE PICV_IOM_REVF_0114
• ProtectPICVanddownstreamequipmentwithanupstreamself-cleaningstrainer.
• FormaximumefficiencyandminimumwearinstallPICVIN VERTICAL POSITION with the stems POINTING UPWARD.
• Besuretoleave 6 INCHES (15.24 CM) OF CLEARANCE above the actuators to allow for actuator removal.
• Beforeinstalling,besurePICVandpipingareCLEAN INSIDE and FREE OF SCALE, chips, welding spatter, and foreign material.
Thoroughly blow out or flush pipe lines.
• ThePICVmustbeinstalledwiththefluidflowinthedirectionofthearrowontheflowarrowplate.
• PipesmustbealignedsquarelywiththePICVateachconnection.
• Tightenflangeboltsevenlytopreventexcessivestressandthepossibilityofcracking.Ifmatingflangesareraisedfacedtheymustbe
machined flat.
• ThePICVandaccessories(ifsoequipped)areassembled,tested,andcalibratedatthefactoryasaunit.Thenameplatespecifiesset-up
parameters used.
• Supplyairorpower,instrumentsignal,andaccessoriesshouldbeconnectedtoportsorterminalsasindicatedonthePICV.
• Verificationandtuningofthesetdifferentialpressuremayberequiredunderactualoperatingconditions.