NORTECHis e 'ngoe ea tse etellang pele ChinaValve ea Globe Moetsi le Mofani.

Belofo e koalang e bolela heke ea lentsoe eo ho eona karolo e koalang (phapa e pharaletseng) e tsamaeang moleng o bohareng oa setulo sa valve.Ho latela mofuta ona oa motsamao oa "valve" disc, phetoho ea kou ea setulo sa valve e lekana le sekhahla sa valve.Kaha lehare la ho bula kapa la ho koala ha lehlaka la valve ea mofuta ona le batla le le khuts'oane,
Ho feta moo, e na le ts'ebetso e ka tšeptjoang haholo ea ho khaola, 'me hobane phetoho ea boema-kepe ba setulo sa valve e lekana le ho otla ha valve disc, e loketse haholo bakeng sa phetoho ea phallo.Ka hona, mofuta ona oa valve ea ho koala o loketse haholo ho sebelisoa e le ho koala kapa ho fetola le ho phunya.
Molemo o hlakileng ka ho fetisisa oa valve ea lefats'e ke hore nakong ea ho bula le ho koala, khohlano pakeng tsa sekhahla se pharaletseng le sebaka se sephara sa ho tiisa se senyenyane ho feta sa valve ea heke, kahoo ha e sebetse.Bophahamo ba ho bula hangata ke 1/4 feela ea bophara ba sebaka sa setulo sa valve, kahoo se nyane haholo ho feta valve ea heke.
Hangata ho na le sebaka se le seng sa ho tiisa holim'a 'mele oa li-valve le diski ea valve ea valve ea ho emisa, kahoo mokhoa oa ho etsa mochine oa ho emisa o batla o le motle,' me ho bonolo ho boloka valve ea ho emisa.Khatello ea lebitso kapa boemo ba khatello ea valve ea lefats'e: PN1.0-16.0MPa, ANSI CLASS150-900, JIS
10-20K, bophara ba lebitso kapa caliber: DN10 ~ 500, NPS1 / 2-36, mokhoa oa ho hokahanya valve: flange, butt welding, khoele, joalo-joalo, mocheso o sebetsang: -1969 ℃-700 ℃,
Mokhoa oa ho khanna: manual, bevel gear drive, pneumatic, motlakase, hydraulic, khokahano ea metsi a khase, khokahano ea electro-hydraulic,
Lisebelisoa tsa 'mele o pharaletseng: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mо2Ti, CF8 (304), CF3 (304L), CF8M (316), CF3M (316L), Ti,
Ho sebelisoa lisebelisoa tse fapaneng bakeng sa phetoho e khaotsoeng, e ka sebelisoang mecheng ea litaba e fapaneng joalo ka metsi, mouoane, oli, asiti ea nitric, asiti ea acetic, oxidizing medium, urea, joalo-joalo.