3. Principleanduseoftheproduct
ThesightglassmanufacturedbyWISEControlInc.isaproductthatcanbeinstalledinapipe
throughwhichfluidflows,andtheflowoffluidcanbevisuallycheckeddirectly.
Whenthefluidflowthroughthesightglass,theflowoffluidinthepipecanbeseenthrough
theglassofsightglasscover.
Sightglassaredesignedaccordingtoeachcustomer’sfluid,temperatureandpressure
conditions.
4. Pre-installationinspections
1) Checkforanydamagetotheproductduringtransport.
2) Checkthetagnumberoftheproductandtheinstallationlocation.
3) Theinsideofthepipemustbesmoothandclean,andfreeofanyforeignmatter.
4) Incaseoftheflangetype,checkthesurfaceoftheflangeforanydentingorscretching.
5) Theglassofthesightglasscoveriscomposedoftwosides,pleasecheckthedirectionofthe
coverwheninstalling.
6) Incaseofflappertype(S200,S210),installthespringofflapperhadlocatedtouppersideat
centerofpipe.
(Atthistime,thesightglassneedtoinstalledonahorizontalpipe,andifinstalledona
verticalpipetheproductmaynotoperatenormally.)
7) Incaseofballtype(S300&S310),useitwhenthefluidflowsthroughthefullpipe.
8) Incaseofrotarytype(S500&S510),installtherotaryhadlocatedtouppersideatcenterof
pipe.
9) Checktheflowdirectioninpipeandinstall.