Imigangatho yeIivalvu zebhola zePVCikakhulu ukugubungela imiba emininzi ezifana izinto, imilinganiselo, ukusebenza, kunye novavanyo, ukuqinisekisa ukuthembeka, ukuqina, kunye nokhuseleko iivalvu.
Umgangatho wezinto eziphathekayo ufuna ukuba umzimba we-valve usebenzise izinto ze-PVC ezihambelana nemigangatho yelizwe efanelekileyo, efana ne-UPVC, i-CPVC, okanye i-PVDF, enokumelana nokugqwala okulungileyo kunye neempawu zoomatshini; Izinto zokutywina ezisetyenziswa ngokuqhelekileyo yi-PTFE (i-polytetrafluoroethylene), ebonelela ngokutywina okugqwesileyo kunye nokusebenza okubuthathaka kokumelana ne-corrosion.
Umgangatho wesayizi uquka uluhlu lwedayamitha ye-DN15 ukuya kwi-DN200, ehambelana nobukhulu bangaphandle bedayamitha njenge-33.7 millimeters ye-DN25 kunye ne-114.3 millimeters ye-DN100. Indlela yokudibanisa ixhasa iiflange, iintambo zangaphandle, okanye i-socket welding; Indawo encinci yokuhamba ibekwe ngokuhambelana noluhlu lwepayipi, umzekelo, aivalve yebholakunye nedayamitha yangaphandle ebizwa ngokuba yi-20 millimeters kufuneka ihlangabezane nemfuno ye-206-266 millimeters square.
Imigangatho yentsebenzo ichaza okoiivalve zebholakufuneka ivuze simahla kuxinzelelo oluchaziweyo (ngokuqhelekileyo 1.6Mpa ukuya 4.0Mpa), isebenze bhetyebhetye kwaye ngokukhawuleza uvule kwaye uvale, kwaye ifaneleke kuluhlu lobushushu -40 ° C ukuya 95 ° C okanye ukuya kuthi ga ku-140 ° C, iyahambelana namanzi acocekileyo, iyeza elulwelo kunye nezinye imidiya.
Ixesha lokuposa: Aug-15-2025