Lapho ukhetha isixazululo esinokwethenjelwa nesisebenzayo sokulawula ukugeleza kwezicelo zezimboni noma zikamasipala,ama-valve esango ehlezi enjolobaukukhetha okudumile. Eyaziwa nangokuthi i-NRS (Isiqu Esincishisiwe) Amavalufu Esango noma Amavalufu Esango Le-F4/F5, lawa mavalvu aklanyelwe ukulawula ukugeleza koketshezi ezindaweni ezihlukahlukene. Kulesi sihloko, sizohlola izinzuzo nezici zamavalvu esango ahlezi enjoloba nokuthi kungani eyingxenye ebalulekile yanoma yiluphi uhlelo lokulawula uketshezi.
Ama-valve esango le-Rubber seal asetshenziswa kabanzi ezimbonini ezahlukahlukene ngenxa yokusebenza kwawo okuphakeme kokuvala kanye nesakhiwo esiqinile. Isihlalo senjoloba ngaphakathi kwe-valve sinikeza uphawu oluqinile esangweni, okusiza ukuvimbela ukuvuza nokuqinisekisa indlela yokuvala enokwethenjelwa. Lokhu kwenza ama-valve esango ahlezi enjoloba alungele ukusetshenziswa lapho ukuvala okuqinile kubaluleke kakhulu, njengezindawo zokuhlanza amanzi, amasistimu amanzi angcolile kanye nezindawo zokucubungula amakhemikhali. Ukwengeza, ukwakheka kwesiqu esifihliwe se-valve yesango le-NRS kulula ukuyisebenzisa nokuyinakekela, okuyenza ibe yisixazululo esingabizi kakhulu sanoma yiluphi uhlelo lokulawula uketshezi.
Enye yezinzuzo eziyinhloko zama-valve esango ahlezi enjoloba yikhono lawo lokusingatha uketshezi oluhlukahlukene nezimo zokusebenza. Kungakhathaliseki ukuthi amanzi, amanzi angcolile, amakhemikhali aludaka noma abolayo, amavalvu esango ahlezi enjoloba angakwazi ukulawula kahle ukuhamba kwalezi zinto ngaphandle kokuphazamisa ukusebenza noma ukwethembeka. Lokhu kuguquguquka kwenza ama-valve esango ahlezi erabha abe yinketho yokuqala konjiniyela nama-opharetha abadinga isisombululo sokulawula ukugeleza okuthembekile nesiguquguqukayo ukuze bahlangabezane nezidingo zabo ezithile.
Ngaphezu kokusebenza kwawo okuhle kakhulu kokuvala nokuguquguquka, ama-valve asesangweni ahlezi enjoloba aziwa ngokuphila kwawo isikhathi eside kanye nezidingo zokulungisa kancane. Izihlalo zamavalvu enjoloba namasango aklanyelwe ukumelana nobunzima bokuqhubeka nokusetshenziswa kanye nokuchayeka kumakhemikhali anonya, okuwenza abe ukukhetha okuqinile futhi okuhlala isikhathi eside ekusetshenzisweni kokulawula uketshezi. Ngokufakwa okufanele nokugcinwa njalo, ama-valve amasango e-rubber ahlezi anganikeza iminyaka yokusebenza okungenazinkinga, ukunciphisa isikhathi sokuphumula kanye nezindleko zokunakekelwa kwezakhiwo zezimboni nomasipala.
Kafushane, amavalvu esango ahlezi erabha, aziwa nangokuthi amavalvu esango le-NRS noma ama-F4/F5 amavalvu esango, ayingxenye ebalulekile yanoma yiluphi uhlelo lokulawula uketshezi ngenxa yokusebenza kwawo okuhle kakhulu kokuvala, ukuguquguquka, nempilo ende yesevisi. Uma idayiswa ngokuphumelelayo, ama-valve amasango e-rubber ahlezi angakhanga izimboni eziningi nezinhlelo zokusebenza, anikeze izixazululo ezinokwethenjelwa, eziphumelelayo zokulawula ukugeleza kwezinhlobonhlobo zoketshezi nezimo zokusebenza. Ngokuklama kwayo okungabizi kakhulu nokunokunakekelwa okuphansi, ama-valve esango ahlezi enjoloba ayisinqumo esihle kakhulu sezindawo zezimboni nezamasipala ezifuna isisombululo esinokwethenjelwa nesiguquguqukayo sokulawula ukugeleza.
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Isikhathi sokuthumela: Dec-13-2023
