Na ulufale le valve faitotoa naifi i Saina i le 1980s.I lalo ifo o le 20 tausaga, o lona faʻaogaina lautele ua faʻalauteleina mai fanua masani i se lautele lautele o alamanuia, mai le sauniuniga o koale, tuʻuina atu o gangue ma le faʻaogaina o le paʻu o laʻu eletise i le faʻaogaina o otaota i taulaga, mai le atinaʻeina o paipa faʻapisinisi lautele i faiga faʻapolofesa e pei ole meaai, soifua maloloina ma vailaau.
O faʻataʻitaʻiga faʻataʻavaleina o le valve faitotoa naifi e:
Tusi ta'avale, eletise, pneumatic, hydraulic, bevel gear, electro-hydraulic ma pneumatic ma hydraulic fa'ata'avale auala.Fa'atusa o le alavai faitoto'a naifi: o'a oso a'e ma le 'au e le oso a'e.Mea o le naifi faitotoa valve: lafo uʻamea, lafo uʻamea, carbon uamea, uʻamea uʻamea, fluorine faʻamaufaʻailoga, ma isi mea.
O le auala faʻapipiʻi saʻo o le nofoaga mo le faʻaogaina lelei o le masini.O le alatoto faitotoa naifi e faʻaaogaina le inisinia faʻamalosi e avea ma mea autu mo le tapunia ma le faʻafefe o le sasaina.I le taimi lava e tasi, ua mamanuina ma se fausaga faʻapipiʻi mo le sasaina o le anti throttling.O loʻo i ai le galuega faʻalua o le tapuni poʻo le tapuni + faʻamalo, ma o lona ola tautua e mafai ona oʻo atu i le 10 taimi nai lo le alalaupapa faitotoʻa naifi uʻamea masani.
Faʻatasi ai ma le lelei o le laʻititi laʻititi, laʻititi o le tafe, mamafa mama, faigofie faʻapipiʻi ma le faʻamavaeina, o le paʻu manifinifi faitotoʻa e foia ai faʻafitauli faigata o le tele o le tafe, mamafa mamafa, faʻapipiʻi faigata ma le tele o le fola o le faitotoa valve masani, paʻu faitotoa mafolafola. , valve polo, valve taofi, valve faatonutonu ma valve butterfly.A maeʻa ona faʻaalia le valve faitotoa naifi, o se numera tele o vaʻa tipi tipi ma faʻatonutonu valve ua suia.I aso nei, o le tele o naifi faitotoa valve o loʻo faʻaaogaina i le Iunaite Setete ma Iapani.

Nortech o se tasi o taʻutaʻua fale gaosi oloa gaosi oloa i Saina ma faʻamaonia lelei ISO9001.

Mea tetele:Valve Pepe,Valve Polo,Valve Faitotoa,Siaki Valve,Globe Vavlve,Y-Srainers,Acurator eletise,Pneumatic Acurators .

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