Caij nplooj ntoos hlav loaded qis nqa xov hom kev ruaj ntseg valve
A21F-16C, A21H-16C, A21H-40, A21H-64, A21Y-100, A21H-160
A21W-16P, A21W- 40P, A21F -40P, A21W-64P, A21W-100P, A21W-160P
KA21Y-16C, KA21Y-16P
A21Y-16R, A21Y-40R, A21 Y-64R, A21Y-100R, A21Y-160R
A21F 、 A21H-C hom yog siv rau cov khoom siv thiab lub raj xa cua, ammonia, roj av roj, thiab lwm yam nruab nrab dab tsi qhov kub thiab txias ua haujlwm qis dua 200 ° C. A21W-P, R hom yog siv rau cov khoom siv thiab lub raj xa dej kom zoo nrog corrode roj thiab ua kua nruab nrab dab tsi ua haujlwm kub tsawg dua 200 ° C. Noj rau ntxiv tiv thaiv cov cuab yeej siv.
KA21 Y hom yog siv rau cov roj liquefied petroleum cov dab tsi ua haujlwm kub tsawg dua 100 ° C.