Mafi kyawun kayan na sarkar grate sune RrSI 5 da RQTSI5.
A matsayin muhimmin sashi na boiler kayan fitarwa, zaɓin kayan yana da alaƙa kai tsaye ga aikin ingancin da amincin tukunyar jirgi. An ba da shawarar RQTI 5 da aka ba da shawarar don kyakkyawan aikin su. Waɗannan nau'ikan kayan biyu suna buƙatar samun ikon yin aiki mai ƙarfi a cikin babban zazzabi, saboda yawan zafin jiki a cikin jirgin ruwan wuta ko ma dubun na digiri na Celsius. Sabili da haka, ba kawai buƙatar samun kyakkyawan yanayin yanayin zafi ba, amma kuma suna da kyakkyawar kwanciyar hankali don hana ɓarna ko kuma canje-canjen yanayi. Bugu da kari, saboda aikin beluer din zai haifar da adadin gas mai yawa da ash, waɗannan abubuwa galibi abu ne masu lalata a cikin {{8} aikin aiki. A lokaci guda, da grat na waɗannan nau'ikan kayan yana buƙatar samun juriya don jimrewar yanayi mai zurfi, kamar yadda ake aiwatar da ƙasa, tsayi da nisa na grate, kamar yadda kazalika da sharewa, tsari da sauran abubuwan ƙira. Daidai da hankali waɗannan sigogi zasu shafi ƙarfin Boiler tare da sauran alamun alamun.
