Spring yodzaza ndi valavu yachitetezo chamtundu wa ulusi wokwera
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 mtundu ntchito zida ndi payipi mlengalenga, ammonia, mafuta mafuta, etc. sing'anga zimene kutentha ntchito zosakwana 200 ° C. A21W-P, R mtundu ntchito zida ndi payipi khalidwe ndi mpweya dzimbiri ndi madzi sing'anga zimene kutentha ntchito ndi zosakwana 200 ° C. Tengani zida zowonjezera zotetezera.
Mtundu wa KA21 Y umagwiritsidwa ntchito popanga gasi wamafuta amafuta omwe kutentha kwake kumakhala kosakwana 100°C.