Size 4 1/2”, 304 ANSI stainless steel bridge slotted screen
Size41/2”,304ANSIstainlesssteelbridgeslottedscreen
Thescreenshallbeof304ANSIstainlesssteelbridgeslottedscreensfurnishedthreadedandcoupledtothesamestandardasthecasing.TheContractorshallprovidefortheEngineer’sapprovaldetailsofthephysicalandmechanicalcharacteristicsofthescreensaswellasmillcertificate(s).Screensmaybebridgeslotted,louverformorwirewoundonperforatedpipe.Screenopeningsshallbe1.0mmopeninginsandstoneaquifersand1.5mminthefissuredvolcanicwithaminimumopenareaof10%.Fittingsaretobeofthesamematerialasthescreen.TheexactlocationofscreenjointswillbedirectedbytheEngineeronthebasisofthenatureofthecuttingsandtheelectricalloggingresults.Thecollapseandtensilestrengthsofthescreenandcasingsshallbecommensuratewiththeirlocation.
Lighterinweightandlowerinprice.
Reducethelifesafetyduringtheinstallationprocess
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