Intwasahlobo ilayishe ilifti yokhuseleko uhlobo lwevalve
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
Uhlobo lwe-A21F, A21H-C lusetyenziselwa izixhobo kunye nemibhobho yomoya, i-ammonia, i-petroleum gas, njl njl. Uhlobo lwe-A21W-P, R lusetyenziselwa izixhobo kunye nemibhobho yomgangatho ngegesi e-corrode kunye nolwelo oluphakathi ulwelo olusebenzayo lungaphantsi kwama-200 ° C. Thatha izixhobo ezongezelelweyo zokukhusela uxinzelelo.
Uhlobo lwe-KA21 Y lusetyenziselwa i-petroleum gas engamanzi oko ukusebenza kubushushu kungaphantsi kwe-100 ° C.