Muyero weAWWA ndiwo wekutanga kuburitswa kwemagwaro ekubvumirana kweAmerican Water Works Association muna 1908. Nhasi, kune maAWWA Standards anopfuura 190. Kubva pakunobva kusvika pakuchengetera, kubva pakuchenesa kusvika pakugovera, maAWWA Standards anofukidza zvigadzirwa nemaitiro ane chekuita nenzvimbo dzese dzekurapa nekugovera mvura. AWWA C504 inomiririra zvakajairika, imhando yevharuvhu yeshavishavi remarara.
Vharuvhu yebhururu yeAWWA C504 ine mhando mbiri, midline line soft seal uye double eccentric soft seal, kazhinji, mutengo wemidline soft seal uchave wakachipa pane double eccentric, hongu, izvi zvinowanzoitwa zvichienderana nezvinodiwa nevatengi. Kazhinji kumanikidzwa kwekushanda kweAWWA C504 i125psi, 150psi, 250psi, flange connection pressure rate iCL125,CL150,CL250.
Vharuvhu yeAWWA C504 inonyanya kushandiswa mumapurojekiti ekurapa mvura, chinhu chinodiwa imvura isina tsvina, hunhu hwechisimbiso cherabha hunosimbisa mashandiro ekuvhara vharuvhu, kuitira kuti vharuvhu ikwanise kuwana leak 0. Pakusarudza zvinhu zvemuviri wevharuvhu, kazhinji simbi inonyunguduka ndiyo huru, ichiteverwa nesimbi yekabhoni inogonekawo. Sarudzo yemhete yekuvhara vharuvhu, EPDM, NBR, NR inowanikwa, zvichienderana nezvinodiwa nemutengi kuti asarudze.
Zvichienzaniswa nemavharuvhu eshavishavi eEN558-13,14 series, vharuvhu yeshavishavi yeAWWA C504 ine muviri wakakora uye spindle yakakora, uye kunewo misiyano midiki mune zvimwe zviyero, izvo zvinogona kuonekwa mutafura inotevera yedhigirii. Ehe, pabasa racho, hapana musiyano mukuru nemamwe mavharuvhu eshavishavi akavharirwa nerabha.
Vagadziri vapi vanogona kugadzira vharuvhu remabutterfly reAWWA C504 muChina? Sekuziva kwangu, hapana vagadziri vakawanda vanogona kugadzira vharuvhu remabutterfly reAWWA C504, mafekitori mazhinji ane ruzivo rwakawanda mukugadzira vharuvhu remabutterfly reEN558-13/14 series, uye havana ruzivo rwakawanda mukugadzira vharuvhu remabutterfly reAWWA C504, Tianjin Zhongfa Valve ndeimwe yevagadziri vanogona kugadzira vharuvhu remabutterfly reAWWA C504, Zhongfa Valve ine mold yayo uye workshop yayo yekugadzirisa, iyo inogona kupedzisa kugadzirwa kwevharuvhu remabutterfly nemhando uye huwandu.
Inotevera ivharuvhu remabhurugwa eAWWA C504 rakagadzirwa neTianjin Zhongfa Valve, Kana uchida kuziva zvakawanda nezvezvigadzirwa zveAWWA C504, unogona zvakare kutibata.
