Intwasahlobo elayishwe uhlobo oluphansi lokuphakamisa olune-valve yokuphepha ye-lever
I-A47H-16C, A47H-25C, A47H-40C
I-A47Y-64C, A47H-64C
I-A47Y-100C, A47H-100C
Le valve yokuphepha isetshenziselwa okokusebenza kanye nepayipi lesitimu, umoya njll. medium ukuthi izinga lokushisa lokusebenza lingaphansi kuka-350°C.Thatha yini ukuze uthole izisetshenziswa zokuvikela ingcindezi eyengeziwe. Ubukhulu bokuxhumanisa i-Flange bokuthobelana nochungechunge olujwayelekile lokuqala lwe-JB/T-94.