Gabaɗaya magana, ana iya raba diamita na bututu mai narkewa (de), diamita na ciki (d) mai narkewa (DN).
Da ke ƙasa don ba ku bambanci tsakanin waɗannan "de, D, DN" Bambanci.
DN shine mai girman diamita na bututu
SAURARA: Wannan ba shine diamita na waje ko diamita ba; ya kamata ya danganta da ci gaban injin injina da raka'a. Yawancin lokaci ana amfani da su don bayyana bututun ƙarfe na galvanized, wanda ya dace da raka'a na ajizai kamar haka:
4-PUPE bututu: 4/8 inch: DN15;
Pute 6-minti: 6/8 inch: DN20;
1 bututun inch: 1 inch: DN25;
Inch biyu bututu: 1 da 1/4 inci: DN32;
Kwana rabin inch: 1 da 1/2 inci: DN40;
Bututun inch biyu: inci 2: DN550;
Inch uku-inch: inci 3: DN80 (wurare da yawa kuma suna da alama a matsayin DN75);
Bututun inch huɗu: inci 4: DN100;
Ruwa, gas mai isowaGalvanized karfe bututuko kuma bututun ƙarfe na galvanized), jefa bututun ƙarfe, ƙarfe-filastik mai ɗaukar hoto (ya kamata a yi alama da kayan polyvinyl.
De akasin nufin saman m diamita na bututu
Janar amfani da amfani da de lakabin, yana buƙatar mai alama a cikin hanyar waje na ƙwayar diamita X.
Galibi ana amfani da su:m bututun, PVC da sauran bututun filastik, da sauran bututu wanda ke buƙatar kauri a fili bango.
Takeauki Galvanized SLDEDE Karfe mai haske a matsayin misali, tare da DN, De Hanyoyin Kyauta biyu kamar haka:
DN20 DE2 × 2.5mm
DN25 DE32 × 3mm
DN32 DE40 × 4mm
DN40 DE50 × 4mm
......
Dang gaba yana nufin diamita na ciki na bututu, d yana nuna diamita na ciki na bututun kankare, kuma φ yana nuna diamita na da'irar al'ada
Don haka ma zai iya nuna m diamita na bututu, amma a lokacin ya kamata a ninka ta da kauri na bango.
Misali,% × 3 na nufin bututu tare da diamita na waje na 25mm da bango na 3mm.
Ciwan karfe ko bututun ƙarfe mara nauyi, yakamata a yiwa alama "alamar diamita ta waje".
Misali :=107 × 4, Ina za a tsallake su.
Sin, Iso da wani bangare na Japan na lakabin bututun karfe ta amfani da girman wando na bango don nuna bangon kaji na pipe. Don wannan nau'in bututun ƙarfe, hanyar magana don bututu a waje da diamita × bango na kauri. Misali: φ φ6669.5 × 3.8
De, DN, D, Фw na bayyana magana!
DE-
DN - POPYTHYLENE (PVC) bututu, jefa ƙwayar ƙarfe, ƙarfe-filastik mai hoto, galvanized karfe maras muhimmanci maras haske nominal diamita
D - kankare bututun mai na diamita
Ф - weallahfult karfe bututun ƙarfe na diamita
Lokaci: Jan-10-2025
