Uhlobo olugcwele lwasentwasahlobo olune-valve yokuphepha ye-lever
A28H-10C, A28Y-10P, A28Y-16P, A28Y-25P, A28Y-40P
I-A28Y-16C, A28Y-16R, A28Y-25R, A28Y-40R
Uhlobo lwe-A28H lusetshenziselwa okokusebenza kanye nepayipi lomoya, i-N2,H2umhwamuko wegesi oxubile njll. ophakathi nendawo ukuthi izinga lokushisa lokusebenza lingaphansi kuka-200℃.A28Y-P/10R8uhlobo lusetshenziselwa okokusebenza namapayipi ekhwalithi ane-corrode medium ukuthi izinga lokushisa lokusebenza lingaphansi kuka-200℃.Thatha amadivayisi okuvikela ingcindezi eyengeziwe.