Amapuleti ensimbi ahlukaniswa ngobukhulu: Ipuleti elincanyana, ipuleti eliphakathi nendawo, ipuleti elibanzi nepuleti elengeziwe.
Amapuleti ensimbi athambile abhekisele amapuleti ensimbi ngobukhulu obukhulu kunamamilimitha. Iplate yensimbi emnyama ihlukaniswe ngeplate ethe xaxa neplate yensimbi ephakathi nendawo.
I-Hastelloy B2 Flanges iyinhlangano ye-nickel-molybdenum alloy enokumelana okukhulu ekunciphiseni izindawo, njenge-hydrogen chloride igesi kanye ne-sulffuride gesi kanye ne-sulfuric, acetic kanye phosphoric acids. Lawa ma-Flanges we-WNR 2.4617 nawo anokumelana okukhulu kokugqwala kokunciphisa izindawo, ukumelana kahle ne-sulfuric acid ephakathi nendawo enama-acid angenangqondo, ukumelana nokugculiseka kwengcindezelo kwe-chloride (SCC), kanye nokuphikiswa okuhle kuma-organi acid. Izindawo ezithinteke kakhulu ukushisa zinciphise imvula ye-carbides nezinye izigaba ukuqinisekisa ukumelana nokugqwala okufanayo. I-Hastelloy inikezela ukumelana ne-sulfuric acid emsulwa kanye nenombolo yama-acid angewona axidizing. I-alloy akufanele isetshenziswe ku-oxidizing media noma lapho kutholakala khona oxganiting ukunciphisa imidiya. Ukwehluleka ngaphambi kwesikhathi kungenzeka uma i-Alloy B2 isetshenziswa lapho i-iron noma ithusi ikhona ohlelweni oluqukethe i-hydrochloric acid.