I-valve yokusakaza iphonswa ku-valve, izinga lokucindezela kwe-valve elijwayelekile liphansi kakhulu (njenge-PN16, PN25, PN40, kodwa futhi kukhona ukucindezela okuphezulu, kungaba ku-1500LD, 2500LB), iningi lezinga lingaphezu kwe-DN50.Ama-valve okwakha akhiwe ngaphandle.Ngokuvamile zisetshenziswa kumapayipi e-high grade...
Funda kabanzi