Bophara ba valve Φ, bophara ba DN, inch” A na u ka khetholla likarolo tsee tse khethehileng?

Hangata ho na le metsoalle e sa utloisiseng kamano pakeng tsa litlhaloso tsa "DN", "Φ” le “”.” Kajeno, ke tla akaretsa kamano pakeng tsa tse tharo le uena, ka tšepo ea ho u thusa!

inch ke eng”

Inch (”) ke yuniti e sebelisoang hangata tsamaisong ea Amerika, joalo ka lipeipi tsa tšepe,li-valve, li-flanges, litsoele, lipompo, li-tee, joalo-joalo, joalo ka litlhaloso ke 10″.

Inchi (inch, e khutsufalitsoeng joalo ka in.) e bolela monoana o motona ka Sedutch, 'me inch ke bolelele ba monoana o motona. Ehlile, bolelele ba monoana o motona le bona bo fapane. Lekholong la bo14 la lilemo, Morena Edward II o ile a phatlalatsa "Standard Legal Inch". Molao-motheo ke hore bolelele ba lithollo tse tharo tse kholo ka ho fetisisa tse khethiloeng ho tloha bohareng ba liqoapi tsa harese le tse hlophisitsoeng ka tatellano ke inch e le 'ngoe.

Ka kakaretso 1″=2.54cm=25.4mm

DN ke eng

DN ke yuniti e sebelisoang hangata lits'ebetsong tsa China le tsa Europe, hape ke lintlha tsa ho tšoaea lipeipi,li-valve, li-flanges, li-fittings, le lipompo, joalo kaDN250.

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

Ke engΦ

Φ ke yuniti e tloaelehileng, e bolelang bophara bo ka ntle ba liphaephe, kapa litsoe, tšepe e chitja le lisebelisoa tse ling.

Joale kamano ea tsona ke efe?

Taba ea pele, meelelo e tšoailoeng ka “”” le “DN” e batla e tšoana.Φ ke motsoako oa bobeli.

ka mohlala

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

Karabo ke e! Inche e akaretsang ke palo e felletseng 'me e atolosoa ka kotloloho ka 25 e lekana le DN, joalo ka 1″*25=DN25, 2″*25=50, 4″*25=DN100, joalo-joalo. Ehlile, ho na le tse fapaneng joalo ka 3″ *25=75 Ho pota-pota ke DN80, 'me ho na le li-inch tse nang le li-semicolons kapa lintlha tsa decimal tse kang 1/2″, 3/4″, 1-1/4″, 1-1/2″, 2-1/2″ , 3-1/ 2″ joalo-joalo, tsena ha li khone ho baloa joalo, empa palo e batla e tšoana, ha e le hantle boleng bo boletsoeng:

1/2″=DN15

3/4″=DN20

1-1/4″=DN32

1-1/2″=DN40

2″=DN50

2-1/2″=DN65

3″=DN80