N'oge na-adịbeghị anya NSEN Valve mere nnwale ịgba mmiri nnu na-anọpụ iche nke valvụ ahụ, wee gafee ule ahụ nke ọma n'okpuru akaebe nke TUV.Agba a na-eji valvụ nwalere bụ JOTAMASTIC 90, ule a dabere na ọkọlọtọ ISO 9227-2017, yana oge nnwale ahụ na-ewe awa 96.

N'okpuru ebe a, m ga-ewebata nkenke ebumnuche nke ule NSS,

Nnwale ịgba nnu na-egosipụta gburugburu oke osimiri ma ọ bụ ihu igwe nke ebe iru mmiri dị nnu, a na-eji ya enyocha nguzogide nrụrụ nnu nke ngwaahịa, ihe na akwa nchekwa ha.

Ọkpụrụkpụ nnwale nnu na-akọwapụta nke ọma ọnọdụ nnwale, dị ka okpomọkụ, iru mmiri, sodium chloride solution maida na uru pH, wdg, ma na-ebutekwa ihe ndị chọrọ teknụzụ maka ịrụ ọrụ nke ụlọ nyocha nnu nnu.Ụzọ maka ikpebi nsonaazụ nnwale nnu nnu gụnyere: usoro ikpe ọkwa, usoro ikpe ikpe, usoro ikpe nrụrụ anya, na usoro nyocha ọnụ ọgụgụ corrosion data.Ngwaahịa ndị chọrọ nnwale ịgba nnu bụ ọkachamma ụfọdụ ngwaahịa ọla, a na-enyocha nguzogide corrosion nke ngwaahịa ahụ site na nnwale.

Nnwale gburugburu ebe a na-agba nnu simulated bụ iji ụdị ngwa nnwale nwere igbe nnwale oghere oghere-nnu, n'ime oghere olu ya, a na-eji ụzọ aka aka mepụta ebe ịgba nnu iji chọpụta ogo nrịba nnu nnu. iguzogide ngwaahịa .E jiri ya tụnyere gburugburu ebe obibi, ntinye nnu nke chloride na gburugburu ebe a na-efesa nnu nwere ike ịbụ ọtụtụ ma ọ bụ iri ugboro ihe nrịba nnu nke gburugburu ebe obibi n'ozuzu ya, nke na-abawanye ọnụ ọgụgụ corrosion nke ukwuu.A na-eme nnwale ịgba nnu nke ngwaahịa ahụ ma nweta nsonaazụ ya, a na-ebelatakwa oge nke ukwuu.Dịka ọmụmaatụ, ọ bụrụ na a nwalere ihe nlele ngwaahịa na gburugburu mkpughe sitere n'okike, ọ nwere ike were 1 afọ ichere corrosion ya, ebe ule n'okpuru ọnọdụ ịgbasa nnu na-achọ naanị awa 24 iji nweta nsonaazụ yiri ya.

Nnwale ịgba nnu nnu na-anọpụ iche (NSS ule) bụ usoro nnwale corrosion nke izizi na nke a na-ejikarị eme ihe.Ọ na-eji 5% sodium chloride salt aqueous solution, a na-edozi uru pH nke ihe ngwọta na nkwụsị na-anọpụ iche (6-7) dị ka ngwọta ịgba.Nnwale ule bụ 35 ℃, na sedimentation ọnụego nke nnu ka a chọrọ n'etiti 1～2ml/80cm²·h.