型號(hào)：FK-SBFK-DBseriesgrillesSerialshutterinletportsareusuallyinstalledonthepipeorthesidewalltouseassideinletport.TherearetwolayersofadjustableshiftingvanesinthedoublelayeredshutterinletportTheshortoneisusedtoadjusttheangleofflareoftheblowingairflowandtoshiftthedirectionoftheairflowwhileadjustingthelongonecanmaketheblowingairflowaffixtheceilingjoistordescendatanangle(whenblowingwarmwind).Theoutsidevaneofthedoublelayeredshutterinletportorthevaneofthesingleshutterinletportcanbeparalleleithertothelongedgeortotheshortedge,whichisbeingtoadjustedtotheneedsofcustomers.Characteristic:Doublegrille:1,Theuseoftheadjustabledouble-layeredvanescanbringdifferentblowingdistancesanddifferentanglesofflare.2,Useasinletport3,BemadeofAluminumoriron4,Beusedtogetherwithadjustingvalve5,WithasealedspongygasketSinglegrille:1,Theuseoftheadjustablesingle-layeredvanescanbringdifferentblowingdistancesanddifferentanglesofflare.2,Useasinletportoroutletport3,BemadeofAluminumoriron4,Asablowinginletport,itisusedwithadjustingvalve.5,Asablowingoutletport,itcanbemadeastructureeasytoopenandbeusedwithagauzefilter.6,Withasealedspongygasket
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