Tsanangudzo yeDhayamita yezita
Dhayamita yezita, inowanzo pfupikiswa seDN (kubva muchiGerman "Durchmesser" zvichireva dhayamita) muma metric systems kana NPS (Nominal Pipe Size) muma imperial systems, imhando yehukuru hwakajairika hwemapaipi nezvimwe zvinhu zvine chekuita nayo. Haisi chiyero chaicho chedhayamita chaiyo yepombi kana fitting. Pane kudaro, inoshanda senzvimbo yakajairika yekuona kuti zvikamu zvakasiyana zviri mukati mepombi zvinopindirana.
Semuenzaniso, mupaipi yeDN 50 iri muchimiro chemetric, dhayamita chaiyo yekunze kwepaipi inogona kunge isiri 50 mm chaiyo. Dhayamita chaiyo yekunze yepaipi yesimbi yeDN 50, zvichienderana nezvinodiwa zvakajairwa, inowanzoita 60.3 mm. Dhayamita chaiyo inoshandiswa kurerutsa kuzivikanwa nekusarudza zvikamu. Zvikamu zvese zvine dhayamita imwechete, senge mapaipi, maflange, nemavharuvhu, zvakagadzirirwa kuti zvikwane pamwe chete zvakanaka.
Kukosha muKugadzirisa
Kuenzanisa dhayamita yemhando yepamusoro kune zvakanakira zvakawanda. Zvinoita kuti zvive nyore kuchinjana zvikamu. Mufekitori hombe yemaindasitiri ine mapaipi akawanda uye zvinosungirirwa, kuva nehurongwa hwedhayamita yemhando yepamusoro hunoita kuti zvikamu zvinotsiviwa zvikwanise kuwanikwa nekuiswa nekukurumidza. Semuenzaniso, kana vharuvhu iri mupaipi yeDN 80 ichida kutsiviwa, chero vharuvhu ine dhayamita yemhando yepamusoro yeDN 80, zvisinei nemugadziri (chero bedzi vachitevedzera zvinodiwa), inofanira kukwanisa kupinda zvakanaka pamapaipi aripo.
Uyezve, zvinoita kuti dhizaini ive nyore. Mainjiniya vanogona kudoma zvikamu zvichibva padhayamita dzemhando yepamusoro vasina kunetseka nezvekusiyana kwedhayamita chaiyo. Izvi zvinoita kuti magadzirirwo emapombi akurumidze, sezvo vachigona kutarisa pahurongwa hwese uye mashandiro pane kunyura muzvikamu chaizvo zvechikamu chimwe nechimwe.
Kusiyana pakati peImperial neMetricDhayamita dzezita
Muhurongwa hwehumambo, NPS yakavakirwa pamainji. Semuenzaniso, pombi yeNPS ye 2-inch ine dhayamita chaiyo yekunze yakasiyana kana ichienzaniswa nepombi yeDN 50 muhurongwa hwemetric, kunyangwe dzakafanana zvishoma maererano nehukuru hwakajairika. Hurongwa hwehumambo hune saizi dzahwo dzakajairwa dzemapombi nezvishandiso, uye kushandurwa pakati peNPS yehumambo neDN yemetric hakusi nyore nguva dzose. Zvisinei, kwakaitwa kuedza kuumba zvakaenzana kuti zvibatsire kutengeserana kwenyika dzese uye kushandira pamwe mumaindasitiri anoshandisa masisitimu ese ari maviri.
Mukupedzisa, dhayamita yezita ipfungwa huru munyika yemasisitimu emapaipi. Inopa nzira yakajairika yekuziva nekufananidza zvikamu, zvichiita kuti pave nekugadzirwa kwakanaka, kuiswa, uye kugadziriswa kwemasisitimu ekubata mvura mumaindasitiri akasiyana-siyana, kubva kumafekitori emafuta negasi kusvika kuma network ekupa mvura.
Nguva yekutumira: Kurume-17-2025