Gulani Chitoliro Choyenera cha PVC: Ndandanda 40 ndi Ndandanda 80 PVC

Ndandanda 40 vs Ndandanda 80 PVC

Ngati mwakhala mukugula PVC mwina mwamvapo mawu oti "ndandanda".Ngakhale mutu wake wonyenga, ndondomeko ilibe chochita ndi nthawi.Ndondomeko ya chitoliro cha PVC ikugwirizana ndi makulidwe a makoma ake.Mwinamwake mwawonapo kuti ndondomeko 80 chitoliro ndi yokwera mtengo kwambiri kuposa ndondomeko 40.

Ngakhale m'mimba mwake wa ndandanda 80 chitoliro ndi ndondomeko 40 chitoliro ndi ofanana, 80 chitoliro ali ndi makoma thicker.Chitoliro choyezera ichi chinachokera pakufunika kokhala ndi dongosolo lapadziko lonse lolozera ku PVC.Popeza makulidwe a makoma osiyanasiyana ndi opindulitsa pamikhalidwe yosiyanasiyana, ASTM (American Society for Testing and Materials) idabwera ndi dongosolo la 40 ndi 80 loyika mitundu iwiri yodziwika bwino.

Kusiyana kwakukulu pakati pa Ndandanda 40 (Sch 40) ndi Ndandanda 80 (Sch 80) ndi:

  • • Kuyeza kwa Madzi
  • • Kukula ndi Diameter (Kukhuthala kwa Khoma)
  • • Mtundu
  • • Kugwiritsa Ntchito & Kugwiritsa Ntchito

Kuthamanga kwa Madzi kwa Sch 40 vs Sch 80

Madongosolo 40 ndi 80 PVC amagwiritsidwa ntchito padziko lonse lapansi.Iliyonse ili ndi zabwino zake pamagwiritsidwe osiyanasiyana.Chitoliro cha 40 chili ndi makoma owonda kwambiri, choncho ndi bwino kugwiritsa ntchito zinthu zomwe zimakhala ndi madzi ochepa.

Chitoliro cha 80 chili ndi makoma okulirapo ndipo chimatha kupirira PSI yapamwamba (mapaundi pa inchi imodzi).Izi zimapangitsa kuti zikhale zabwino kwa mafakitale ndi mankhwala.Kuti ndikupatseni lingaliro la kusiyana kwa kukula, 1 "ndandanda 40 PVC chitoliro chili ndi .133" khoma laling'ono ndi 450 PSI, pamene ndondomeko 80 ili ndi .179 "khoma lochepa ndi 630 PSI.

Kukula & Diameter

Monga tanena kale, onse ndandanda 80 ndi ndondomeko 40 PVC chitoliro ali ndi m'mimba mwake chimodzimodzi kunja.Izi ndizotheka chifukwa ndandanda ya 80 yowonjezera khoma ili mkati mwa chitoliro.Izi zikutanthauza kuti chitoliro cha 80 chizikhala ndi kuyenda kocheperako - ngakhale kuti chitolirocho chingakhale chofanana ndi chitoliro chofanana ndi chitoliro 40.Izi zikutanthauza kuti ndondomeko 40 ndi 80 zitoliro zimagwirizana ndipo zingagwiritsidwe ntchito palimodzi ngati kuli kofunikira.

Chokhacho chomwe muyenera kusamala nacho ndikuti magawo 40 ochepetsa kuthamanga kwapang'onopang'ono amakwaniritsa zofunikira pakugwiritsa ntchito kwanu.Mzere wanu wa chitoliro ndi wamphamvu kwambiri monga gawo lanu lofooka kwambiri kapena cholumikizira, kotero ngakhale gawo limodzi la 40 lomwe limagwiritsidwa ntchito pamzere wapamwamba kwambiri wa 80 likhoza kuwononga kwambiri.

Ndandanda 40 ndi Ndandanda 80 Mtundu

Nthawi zambiri, ndondomeko 40 chitoliro ndi yoyera mu mtundu, pamene ndondomeko 80 nthawi zambiri imakhala imvi kuti isiyanitse ndi 40. PVC imapezeka mumitundu yambiri, choncho onetsetsani kuti muyang'ane malemba pogula.

Ndi Pulogalamu Yanji ya PVC yomwe Ndikufunika?

Ndiye mukufuna ndandanda yanji ya PVC?Ngati mukukonzekera kutenga ntchito yokonza nyumba kapena ulimi wothirira, ndondomeko 40 PVC mwina ndiyo njira yopitira.Ngakhale ndandanda 40 PVC imatha kuthana ndi kukakamizidwa kochititsa chidwi, ndipo mwina ndiyokwanira pakugwiritsa ntchito kulikonse kunyumba.

Mudzisungiranso ndalama pang'ono potsatira ndondomeko 40, makamaka ngati mukufuna kugwiritsa ntchito magawo akuluakulu.Ngati ntchito yanu idzakhala mafakitale kapena mankhwala mwachilengedwe, mwinamwake mukufuna kugwiritsa ntchito ndondomeko 80. Izi ndi ntchito zomwe zingayambitse kupanikizika kwakukulu ndi kupsinjika kwa zinthu, kotero makoma okhuthala ndi ofunikira.


Nthawi yotumiza: Mar-30-2022