Lokacin sarrafa abubuwa masu haɗari ko aiki a cikin yanayi mai yuwuwar fashewa, Ex rating na injunan tabbatar da fashewa shine babban abin da za a yi la'akari da shi.An tsara waɗannan injinan musamman don hana kunna wutan kayan wuta, tabbatar da amincin kayan aiki da ma'aikatan da abin ya shafa.
Ɗaya daga cikin mafi yawan azuzuwan Ex don injunan tabbatar da fashewa shine Ex dII BT4.Wannan ƙimar yana nuna cewa motar ta dace don amfani da ita a wuraren da ke da yuwuwar fashewar iskar gas, kamar matatun mai, masana'antar sinadarai ko dandamalin teku.Rarraba "dII" yana nufin cewa an gina motar ta hanyar da ke hana iskar gas da tururi shiga cikin abubuwan da ke ciki.Sunan “BT4″ yana nufin matsakaicin zafin jiki na motar wanda bai kamata ya wuce 135°C ba kuma ana ɗaukarsa lafiya ga mahaɗarin kewaye.
Wani muhimmin nau'in kariya na fashewa don injunan tabbatar da fashewa shine Ex dII CT4.Wannan rarrabuwa yayi kama da Ex dII BT4, amma an tsara shi musamman don wuraren da ke da yuwuwar yuwuwar ƙura mai fashewa, kamar silo na hatsi, masana'antar magunguna ko ma'adinan kwal.Sunan “CT4″ yana nuna matsakaicin zafin jiki da za a iya isa a saman saman motar a ƙarƙashin yanayin aiki na yau da kullun ba tare da haifar da fashewa ba.Don motocin Ex dII CT4, an saita wannan iyakar zafin zuwa 95°C.
Ex dII BT4 da Ex dII CT4 masu tabbatar da fashewar injuna suna fuskantar tsauraran gwaji da tsarin takaddun shaida don tabbatar da sun bi ka'idodin aminci na duniya.Waɗannan injinan dole ne su cika ƙaƙƙarfan buƙatu, gami da amfani da ƙaƙƙarfan abubuwa masu ɗorewa, ingantattun fasahohin masana'antu, ingantattun fasalulluka na aminci da cikakken bincike.Takaddun shaida mai tabbatar da fashewa yana ba masu aiki kwanciyar hankali sanin cewa injinan da ake amfani da su a wurare masu haɗari an tsara su musamman don hana tushen kunna wuta da rage haɗarin fashewa.
A taƙaice, Ex rating na injuna masu tabbatar da fashewa suna taka muhimmiyar rawa wajen kiyaye aminci a cikin mahalli masu haɗari.Ko Ex dII BT4 don mahallin gas ko Ex dII CT4 don mahallin ƙura, waɗannan injinan an tsara su a hankali don hana ƙonewa da tabbatar da iyakar kariya daga fashewa.Ta zaɓin injina tare da ƙimar kariyar fashewar da ta dace, masana'antu na iya rage haɗarin haɗari sosai, kare kayan aiki masu mahimmanci, da kiyaye rayuwar ma'aikatan da ke aiki a cikin mahalli masu yuwuwar fashewa.
Lokacin aikawa: Satumba-28-2023
