Ngokwezigaba ezijwayelekile zingahlukaniswa zibe ezijwayelekile nezingezona ezejwayelekile ezimbili; lapho ngokwezinto zokusetshenziswa zingahlukaniswa zibe: isondo lesandla lensimbi lesandla sesondo, irabha yemvelo, amapulasitiki namasondo ensimbi okuphonswa; lapho ngokwezitayela zingahlukaniswa zibe isondo lesandla se-valve, i-handwheel ripple, isondo eliyindilinga rim handwheel, cindezela isondo lesandla, isondo lokugaya, isondo lensimbi, njalonjalo.
Imininingwane ye-valve handwheel (lapha kubhekiselwa onqenqemeni olungaphandle lobubanzi besondo, oluvezwe ngo-d) D50mm, no-D100mm, no-D120mm, no-D140mm, no-D160mm, D180mm, no-D200mm, kanye no-D250mm, D300mm njll; emigodini enembobo yesikwele ejwayelekile, inketho ye-hexagonal, eyindilinga.
