(1) ukwakheka kwe-valve yembulunga kulula kune-valve yesango, futhi ukwakhiwa nokuyigcina kulula kakhulu.
(2) indawo yokuvala akulula ukugqokwa nokuklwebheka, ukuvalwa kahle, ukuvuleka nokuvala phakathi kwediski ye-valve nendawo yokuvala umzimba we-valve ngaphandle kokusheleleka okuhlobene, ngakho ukuguga nokuklwebheka akukona okungathí sina, ukusebenza kahle kokuvala, impilo ende yesevisi.
(3) lapho uvula futhi uvala, i-disc stroke incane, ngakho ukuphakama kwe-valve yembulunga kuncane kune-valve yesango, kodwa ubude besakhiwo bude kune-valve yesango.
(4) i-torque yokuvula nokuvala inkulu, ukuvula nokuvala ukuvala kuyakhathaza, isikhathi sokuvula nokuvala siyinhloko.
(5) ukumelana noketshezi kukhulu, ngoba umzila ophakathi nendawo emzimbeni we-valve uyahlukumeza, ukumelana noketshezi kukhulu futhi ukusetshenziswa kwamandla kukhulu.
(6) lapho ingcindezi ebizwa ngokuthi i-Pn ngasendleleni yokugeleza okuphakathi ingaphansi noma ilingana no-16Mpa, ivamise ukuba phansi nomfula, kanti okuphakathi kugeleza ukusuka ohlangothini olungezansi lwediski ye-valve;Ukucindezela okubizwa ngokuthi i-Pn ≥ 20Mpa, ngokuvamile kusebenzisa i-countercurrent, ukugeleza okuphakathi ukusuka ohlangothini lwediski.Ukwandisa umthamo wokuvala.Uma isetshenziswa, i-valve ephakathi nendawo ingageleza iye ohlangothini olulodwa kuphela futhi ayikwazi ukushintsha isiqondiso sokugeleza.
(7) uma ivuliwe ngokugcwele, i-disc ivame ukuguguleka.
I-axis yesiqu se-valve ye-valve yembulunga incike endaweni yokuvala yesihlalo se-valve.Ukushaywa kwe-stem okuvulekile/okuvalayo kufushane futhi kunesenzo sokusika esithembeke kakhulu, okwenza le valvu ifanelekele ukusetshenziswa okusikiwe okumaphakathi noma ukuqondisa nokudonsa.

I-Nortech ingomunye wabakhiqizi abahamba phambili bamavalvu ezimbonini e-China abanesitifiketi sekhwalithi ye-ISO9001.

Imikhiqizo emikhulu:I-Butterfly Valve,I-Ball Valve,Ivalve yesango,Hlola Valve,I-Globe Vavlve,I-Y-Strainers,I-Acurator kagesi,Ama-Acurator Womoya.