A ƙarƙashin ma'aunin SANS 1123, akwai nau'ikan zamewa da yawa akan flanges, walda wuyan flanges,cinya hadin gwiwa flanges,makafi flangeskumazaren flanges.
Dangane da ma'aunin girman, SANS 1123 ya bambanta da na gama gari na Amurka, Jafananci da Turai. Maimakon Class, PN da K, SANS 1123 yana ɗaukar wakilci na musamman: Misali, tare da flange na walƙiya na wuyan wuyansa 600/3, 1000/3, 1600/3, 250/3, 4000/3, daban-daban, 600/2, 1000/2, 1600/2, 250/2, 4000/2, Makafi flange ne 600/8, 1000/8, 1600/8, 2500/8, 4000/8, Threaded flange ne 600/ 4, 1000/4, 1600/4, 2500/4, 4000/4, sako-sako da flange za a iya musamman size.
Flange SANS 1123 yana kusa da flange na Turai da aka yiwa alama da PN, kuma ƙimar matsin lamba ya tashi daga 250 kPa zuwa 4000 kPa, wanda aka canza zuwa ƙimar matsa lamba da aka yiwa alama da PN, wato PN 2.5 zuwa PN 40, amma yanayin zafinsa shine - 10 ℃ zuwa 200 ℃, da kuma m zazzabi kewayon ne kananan. Bayan tabbatarwa, an gano cewa, idan aka kwatanta da BS EN 1092-1 flange, a ƙarƙashin girman nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau’in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau’in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in) an gano an gano shi, kodayake wasu manyan nau'ikan nau'ikan flanges na SANS 1123 sun fi bakin ciki, diamita na waje, tsakiyar rami rami. da'irar diamita, fastener sets da thread bayani dalla-dalla, wanda ƙayyade ko biyu flanges za a iya gyarawa da fasteners, su ne m guda flange dangane size, Saboda haka, SANS 1123 flange m gana da bukatun daban-daban bututu abu maki a cikin wannan aikin.
Saboda matakin fasaha na samar da bututun ƙarfe na Afirka ta Kudu gabaɗaya yana bayan na ƙasashen da suka ci gaba a Turai da Amurka, alamun fasaha na bututun ƙarfe da aka samar bisa ga ka'idodin Afirka ta Kudu suna da ƙasa kuma ƙarfin ɗaukar nauyi yana iyakance, ƙarfe na Afirka ta Kudu. bututu misali na wannan aikin ne kawai amfani da carbon karfe bututu tare da low zafin jiki da kuma low matsa lamba, da kuma carbon karfe bututu tare da zane matsa lamba ： 2.5 MPa ko zane zazzabi ： 100 ℃ da duk bakin karfe bututu rungumi American matsayin. Haɗin sinadarai da ƙimar ƙarfin bututun ƙarfe a cikin ƙa'idodin bututun ƙarfe na Afirka ta Kudu da ka'idodin bututun ƙarfe na Amurka suna da wasu bambance-bambance, kuma wasu bututun ƙarfe suna da diamita daban-daban na waje (duba Table 1, kamar DN65). Ko da yake matsalar da bambanci a cikin kayan abun da ke ciki na karfe bututu tushe abu a duka ƙarshen weld za a iya warware ta hanyar zaɓi na walda sanduna da kuma inganta waldi tsari, da kuma matsalar da bambanci a cikin m diamita na diamita. Bututun ƙarfe a ƙarshen ɓangarorin butt za a iya warware su ta hanyar gyare-gyaren gyare-gyare, wannan babu shakka yana kawo matsala mai yawa ga aikin ginin bututun kuma bai dace da garantin ingancin gini ba. The sealing dangane za a iya gane ta hanyar hadin gwiwa na flange, gasket da fastener. Gasket yana raba flanges a ƙarshen duka, kuma mai ɗaukar hoto baya buƙatar abu ɗaya na flanges a ƙarshen duka. Sabili da haka, ana iya warware bambanci tsakanin abun da ke tattare da kayan abu da diamita na waje na bututun ƙarfe a ƙarshen duka. Bayan haka, haɗin haɗin bututun ƙarfe tare da ma'auni daban-daban yawanci yana faruwa a wurin da darajar kayan bututu ke canzawa. Irin waɗannan haɗin gwiwar ba su da yawa, kuma amfani da flanges ba zai ƙara yawan farashi ga aikin ba.
Lokacin aikawa: Maris-02-2023
