Themochini o sebetsang oa rotaryke sesebelisoa sa indasteri se ka thusang taolo ea mokelikeli hole le habonolo.COVNA e fana ka mefuta eohle ea li-rotary actuator tse kang li-actuator tsa motlakase le li-pneumatic actuators bakeng sa likhetho tsa hau.Ho o thusa ho eketsa tlhahiso.Amohela lipotso leha e le life tse tsoang ho uena! sales@covnavalve.com

Rotork e ile ea qala actuator ea eona ea pele ka 1957 mme ea bula feme UK ka 1961. Ntlo-kholo ea hajoale e ntse e le Bath, UK.
Rotork e fana ka litharollo tsa lisebelisoa bakeng sa li-drive tsa indasteri le taolo ea phallo, 'me ke eona e tsamaisang thepa lefatšeng ka bophara ka li-actuator le li-valve.Liindasteri tsa litšebeletso li kenyelletsa, empa ha li felle feela, liindasteri tsa boiketsetso tse kang oli le khase, ho hloekisa metsi, ho hloekisa metsi a litšila, matla a motlakase, matla, indasteri ea lik'hemik'hale le indasteri ea meriana.
Lihlahisoa tsa Rotork li kenyelletsa li-actuator tsa motlakase, li-actuator tsa pneumatic, li-gearbox, lisebelisoa tsa valve, lisebelisoa, joalo-joalo.

Auma ke e mong oa bahlahisi ba etelletseng pele ba li-actuator tsa motlakase ba nang le boiphihlelo ba lilemo tse fetang 50.Fana ka lihlahisoa tsa boleng bo holimo le tse tsoetseng pele bakeng sa indasteri ea matla, indasteri ea metsi, indasteri ea petrochemical, merafo le indasteri ea matla a nyutlelie.E ikemiselitse ho fana ka litharollo tsa mochini o le mong bakeng sa bareki ba indasteri le ba khoebo.
Hona joale AUMA e na le basebetsi ba 2,600 le liofisi tse fetang 30 lefatšeng ka bophara ho u fa litšebeletso tse bonolo le tse potlakileng.
Lihlahisoa tsa AUMA li kenyelletsa multiturn actuator, part turn actuator, linear actuator, lebokose la gear, joalo-joalo.

Air Torque e thehiloe ka 1990 mme ntlo-kholo ea eona e Italy.Ke e 'ngoe ea lihlahisoa tse ka sehloohong lefatšeng ka bophara tsa rack le pinion pneumatic actuators.Air torque e fana ka lihlahisoa tsa boleng bo holimo le tse ncha bakeng sa lik'hemik'hale, petrochemical, meriana, matla, limela tsa motlakase le kalafo ea metsi.
Lihlahisoa tsa torque ea moea li fumane lengolo la ISO9001: 2008.

Bettis ke letšoao la Emerson, le thehiloeng ka 1929. Ke moetsi ea ka sehloohong oa li-actuator tsa motlakase, li-pneumatic actuators le li-hydraulic actuators.Fana ka sephutheloana se kopaneng sa li-turnkey valve automation bakeng sa bareki ba indasteri le ba khoebo.

E thehiloe ka 1994, AT Control e na le ntlo-khōlō United States, 'me hona joale e na le liofisi libakeng tse ngata ho pota lefatše, tse kang Amerika Leboea, Asia Pacific, Afrika Boroa, joalo-joalo.Fana ka thekiso le litšebeletso ho bareki lefatšeng ka bophara.
Lihlahisoa tsa AT control li kenyelletsa li-actuator le li-valve tse fapaneng.