Motlakase serurubele valvee bua ka belofo ea serurubele e nang le mochini o kenyang motlakase.Belofo e buloa kapa e koetsoe ka ho tsamaisoa ke mochini oa motlakase.E ka u thusa ho lemoha habonolo li-automation tsa indasteri.

Sehlopha sa COVNA ke setsebi sa li-actuator le li-valve tsa China tse nang le boiphihlelo ba lilemo tse 20+.Ho tloha ka 2000, re shebane le bareki, re fana ka tharollo ea mokelikeli o motle bakeng sa merero e fetang 2,000, 'me re thusa ho ntlafatsa katleho ea tlhahiso.Haesale re ikemiselitse ho hlahisa lihlahisoa tse tšepahalang le ho u fa litharollo tse ikhethileng tse nang le boleng bo holimo ba chelete.Re lumela hore re tla ba molekane oa hau oa hlooho ea khomo.Ba bang ba u rekisetsa lihlahisoa, empa re fana ka tharollo.Amohela lipotso leha e le life tse tsoang ho uena.sales@covnavalve.com

Bonomi e thehiloe ka 1901 mme e hlahisa li-valve ho sebeletsa indasteri ea veine.Hamorao, sepheo sa mantlha sa Bonomi ke indastering ea ho hloekisa metsi le ho aba khase.Ka 1967, Bonomi e ile ea e-ba moetsi oa pele oa li-valve tse peli tsa bolo.
Ka lilemo tse fetang 100, Bonomi e 'nile ea tsitlella ho tsoela pele ho ntlafatsa, ho etsa lipatlisiso le ho ntlafatsa li-valve hore li tšoanelehe hantle bakeng sa liphaephe tse fapa-fapaneng, liindasteri le lisebelisoa tsa mechine.Lihlahisoa li kenyelletsa mofuta oa li-wafer, mofuta o lugged le valve ea mofuta oa serurubele.

Flomatic Valves e thehiloe ka 1933 mme ntlo-kholo ea eona e United States.Ka lilemo tse ka bang 90, re ikemiselitse ho fana ka li-valve tsa boleng bo holimo le lits'ebeletso bakeng sa indasteri ea ho hloekisa metsi le litšila ho fihlela litlhoko tsa bareki.Ka nako e ts'oanang, Flomatic e tšepa ho thusa liindasteri tse fapaneng ho sebetsa hantle le ho ntlafatsa boleng ba bophelo.
Lihlahisoa li kenyelletsa li-valve tsa serurubele sa motlakase, li-valve tsa serurubele sa motlakase, li-valve tsa serurubele sa flange, joalo-joalo.

DynaQuip e bile indastering ea ts'ebeliso ea metsi ka lilemo tse fetang 70.E ikemiselitse ho rala, ho nts'etsapele le ho etsa lihlahisoa tsa indasteri tse laolang phallo e tšoarellang.Lihlahisoa li kenyelletsa li-valve tsa serurubele tsa motlakase, li-valve tsa bolo ea motlakase, li-valve tsa pneumatic butterfly, li-valve tsa pneumatic ball joalo-joalo.Ho fana ka litšebeletso bakeng sa indasteri ea oli le khase, lijo le lino, le indasteri ea ho hloekisa metsi.

E thehiloe ka 1971, Asahi-America e ile ea bula indasteri ea li-valve tsa thermoplastic United States.Hajoale Asahi-America e na le barekisi ba ka bang 1,000 Amerika Leboea le Latin America, ba u fang litšebeletso tse arabelang kapele.Asahi-America e ikemiselitse ho fa bareki lits'ebeletso tsa theko e le 'ngoe le ho fa basebelisi ba ho qetela tharollo ea li-turnkey bakeng sa sistimi ea phallo ea mokelikeli.

Valworx e thehiloe ka 1991 mme ke mofani oa thepa ea li-actuator le li-valve tse netefalitsoeng tsa ISO9001.Valworx e fana ka makholo a li-valve le lisebelisoa tse ikemetseng ho u fa tharollo ea taolo ea ts'ebetso e le 'ngoe.Valworx e ikemiselitse ho fana ka lihlahisoa tse potlakileng, tse bolokang chelete e ngata ho finyella litlhoko tsa basebelisi ba ho qetela.