Makeji ekuvaka anowanzo kuve newaya gumi, gumi nemaviri kana makumi maviri.Iyo yakachinjika mhete spacing pakeji inogona kuita 4 ″, 6 ″ kana 8 ″.Kana plenum kureba zvirambidzo iri dambudziko, zvidimbu zviviri matanga anowanikwa mune akakurumbira "twist-lock" kana "minwe" masitaera.Kunzvimbo dzine hunyoro kana ngura yeasidhi iripo tinogona kupa huwandu hwezvinhu, kazhinji galvanized simbi kana simbi isina tsvina.Makeji epamusoro anotakura mafirita anowanikwa neT-flange, mhete yepamusoro kana akati wandei masitaera epamusoro akamonereka.Cage madhayamita anotangira pa 4 ″ kusvika 6 1/8 ″.Waya ukobvu siyana ndiko;9 geji, 10 geji uye 11 geji.Makeji emutoro wepasi ma baghouses anovakwa ane kupatsanurwa kora kana kupatsanurwa mhete pamusoro.Cage madhayamita anotangira pa 4 ″ kusvika 6 1/8 ″.Ukobvu hwewaya ndiwo 9 geji, 10 geji uye 11 geji.
Kuti uwedzere kuchenesa, Venturi inowanikwa kune ese madhayamita matanga.Venturi inouya mu3 ″ kusvika 6 ″ kureba.Venturi inogadzirwa mumhando dzakasiyana siyana dzinosanganisira;aruminiyamu, kabhoni simbi, galvanized uye Stainless simbi