Bophara ba valve Φ, bophara ba DN, inch” Na o ka kgetholla diyuniti tsena tsa tlhaloso?

Hangata ho na le metsoalle e sa utloisiseng kamano pakeng tsa litlhaloso tsa "DN", "Φ"le"". Kajeno, ke tla akaretsa kamano e pakeng tsa tsena tse tharo bakeng sa hau, ke tšepa ho u thusa!

"Inchi ke eng"

Inch (“) ke yuniti e sebelisoang haholo tsamaisong ea Amerika, joalo ka liphaephe tsa tšepe,li-valve, di-flange, di-elbow, dipompo, di-tee, jj., jwalo ka ha tlhaloso e le 10″.

Senthimithara (senthimithara, e kgutsufaditsweng jwalo ka ha e le ka hare) e bolela monwana o motona ka Sedache, mme senthimithara ke bolelele ba monwana o motona. Ehlile, bolelele ba monwana o motona le bona bo fapane. Lekholong la bo14 la dilemo, Morena Edward II o ile a phatlalatsa "Senthimithara se Tloaelehileng sa Molao". Molao ke hore bolelele ba dithollo tse tharo tse kgolo tse kgethilweng bohareng ba diqoapi tsa harese mme di hlophisitswe ka tatellano ke senthimithara e le nngwe.

Ka kakaretso 1″=2.54cm=25.4mm

DN ke eng

DN ke yuniti ea litlhaloso e sebelisoang haholo Chaena le litsamaisong tsa Europe, 'me hape ke tlhaloso ea liphaephe tse tšoaeang,li-valve, di-flange, di-fitting, le dipompo, tse kangDN250.

DN e bua ka bophara bo tloaelehileng ba phaephe (bo tsejoang hape e le bophara bo tloaelehileng), hlokomela: ena ha se bophara bo ka ntle kapa bophara bo ka hare, empa ke karolelano ea bophara bo ka ntle le bophara bo ka hare, bo bitsoang bophara bo tloaelehileng ba ka hare.

Ke engΦ

Φ ke yuniti e tloaelehileng, e bolelang bophara ba ka ntle ba liphaephe, kapa litsoe, tšepe e chitja le thepa e 'ngoe.

Joale kamano ea bona ke efe?

Sa pele, meelelo e tšoailoeng ka """ le "DN" e batla e tšoana. Ha e le hantle e bolela bophara bo tloaelehileng, bo bontšang boholo ba tlhaloso ena, leΦ ke motsoako oa tse peli.

ka mohlala

Mohlala, haeba phaephe ea tšepe e le DN600, haeba phaephe e tšoanang ea tšepe e tšoailoe ka lisenthimithara, e ba 24″. Na ho na le kamano efe kapa efe pakeng tsa tse peli?

Karabo ke e! Inchi e akaretsang ke palo e felletseng mme e atisitsoe ka ho toba ka 25 e lekana le DN, joalo ka 1″*25=DN25, 2″*25=50, 4″*25=DN100, jj. Ehlile, ho na le tse fapaneng tse kang 3″*25=75 Ho potoloha ke DN80, mme ho na le di-inchi tse nang le di-semicolon kapa dintlha tsa decimal tse kang 1/2″, 3/4″, 1-1/4″, 1-1/2″, 2-1/2″, 3-1/ 2″ le tse ding, tsena di ke ke tsa balwa jwalo, empa palo e batla e tshwana, ha e le hantle boleng bo boletsweng:

1/2″=DN15

3/4″=DN20

1-1/4″=DN32

1-1/2″=DN40

2″ = DN50

2-1/2″=DN65

3″ = DN80