Bambanci tsakanin alamar kariya daga fashewar Exd da Ex

Da farko, ma'anoni biyu sun bambanta:
1, harsashi mai hana fashewa "d": wani nau'in kayan lantarki mai hana fashewa, harsashin zai iya jure duk wani gibin haɗin gwiwa ko tsari ta cikin harsashin zuwa cikin harsashin cakuda mai fashewa a cikin fashewar ba tare da lalacewa ba, kuma ba zai haifar da waje ta hanyar, nau'ikan iskar gas ko tururi da aka samar ta hanyar kunna yanayin iskar gas mai fashewa ba. (An bayyana bisa ga GB3836-2010) Abubuwan ciki na kayan aiki na yau da kullun.
2, nau'in aminci mai ƙaruwa "e": nau'inNau'in fashewa na kayan aikin lantarki, wato, kayan aikin lantarki don ɗaukar wasu ƙarin matakai don inganta matakin aminci, don hana yiwuwar yanayin zafi mai haɗari, baka da tartsatsin wuta da aka samar a lokacin aiki na yau da kullun ko ƙarƙashin takamaiman yanayi mara kyau.
A taƙaice dai: cikinsa ba ya haifar da yanayin zafi mai haɗari, baka da kuma yiwuwar tartsatsin wuta, sai dai kawai don inganta yanayin tsaronsa, kamar inganta matakin kariya. Dole ne sassan ciki su kasance tare da abubuwan da ke ɗauke da tambarin Ex (waɗanda ba sa fashewa).

Na biyu, su biyun nau'in tsarin harsashi ne daban-daban:
1, nau'in "d" mai hana fashewa saboda buƙatar jure matsin lamba na fashewar ciki, don haka dole ne a tsara shi don fitar da damar samun makamashi (a taƙaice, saman flange), matsakaicin kauri na bango na harsashi ya fi kauri fiye da nau'in ƙarin aminci.
2, ƙara yawan aminci na nau'in "e" saboda cikin kansa baya haifar da yanayin zafi mai haɗari, baka da yuwuwar tartsatsin wuta, don haka babu flange.

Na uku, ɗayan kuma:
1, nau'in "d" mai hana fashewa da kuma nau'in "i" mai aminci a cikin jiki kawai yana da Ⅱ A, Ⅱ B, Ⅱ C; kuma ba a raba nau'in aminci mai ƙarfi zuwa Ⅱ A, Ⅱ B, Ⅱ C ba.
2, a matsayin ɗakin wayoyi, na'urar gabatarwa ta "d" nau'in da ba ta fashewa dole ne ta kasance gabatarwar nau'in "d" (mai hana fashewa), zoben rufewa idan aka kwatanta da ƙaruwar amincin zoben rufewa ya zama mai tsawo, ƙara amincin gabatarwar na'urar muddin wucewa don inganta matakin aminci akan layi.
3, dole ne a yi gwajin haƙarƙarin "d" mai hana fashewa (Ⅱ B 1.5 MPa / daƙiƙa 10 na matsin lamba na ruwa, Ⅱ C 2.0 MPa / daƙiƙa 10 na matsin lamba na ruwa), kuma ƙarin aminci ba ya buƙatar.
4, harsashi mai hana fashewa dole ne ya yi gwajin tasiri (don jure nauyin abin gwaji na 1kg daga tsayin gwajin tasirin faɗuwar mita 0.7 a tsaye), harsashi mai ƙarfi na aminci baya yin gwajin tasiri.