Back Pressure Valve
UPVC CPVC PPH PVDF Back Pressure Valve Pvc Relief Pressure Safety Valve
Zamankhwala Features
Tulutsani kukakamizidwa kwa mapaipi kuti mutsimikizire kukhazikika kwa kupanikizika kwadongosolo.
Kuteteza chitetezo cha mpope ndi ntchito bwinobwino dongosolo.
Amagwiritsidwa ntchito molumikizana ndi ma pulse dampers kuti achepetse kuwonongeka kwa nyundo yamadzi pamakina, kuti akwaniritse malamulo otsika kwambiri a vibration; kuchepetsa nsonga ya kusinthasintha kwa kuthamanga kwa magazi, kuteteza dongosolo la mapaipi ku zotsatira za kusinthasintha kwa kuthamanga.
Diaphragm imatengera luso lapamwamba la PTFE + glue, lomwe ndi loyenera pafupifupi madzi onse owononga, osindikizidwa odalirika komanso osatayikira.
Kodi valavu yotetezera imagwiritsidwa ntchito chiyani?
Diaphragm, spool ndi kuthamanga kwamkati kwa masika motsutsana ndi mpando wa valve. Pamene kupanikizika mu payipi ya dongosolo kupitirira kuthamanga kwa preset, diaphragm, spool imagwedezeka. The sing'anga kutayikira kwa chitoliro kubwerera ndi chidebe. M'munda zikhoza kusinthidwa mwa zomangira mothandizidwa ndi kuthamanga n'zotsimikizira mu payipi mu 0-1.0Mpa osiyanasiyana zoikamo kuthamanga, kuthamanga mpumulo zambiri anapereka apamwamba kuposa dongosolo kuthamanga kwa 0.1-0.2Mpa. Woyang'anira valavu yachitetezo saloledwa kupitilira kuthamanga kwapampu. Kukhazikitsa nthawi zambiri pafupi ndi popompo. Sipayenera kukhala ma valve pakati pa mpope ndi valavu yotetezera, kuteteza chitetezo cha pampu ndi ntchito yabwino ya dongosolo.
Kodi valavu yakumbuyo yakumbuyo imagwiritsidwa ntchito chiyani?
Imayikidwa mupaipi yotulutsa mpweya wabwino wa pampu ya metering kapena pampu ya diaphragm. Zomwe zimalepheretsa kuchitika kwa siphon phenomenon, kuthetsa kusintha kwa mlingo komwe kumachitika chifukwa cha kusinthasintha kwapakatikati pa mlingo wa mlingo, kuti zitsimikizire kulondola kwa mlingo wa mpope. M'munda timachotsa kapu yotetezera pazitsulo zosinthira, kutembenuza zitsulo zosinthika, ndikusintha kupanikizika kofunikira mothandizidwa ndi chopimira chopimira paipi. Itha kusinthidwa ndikusintha zomangira mumitundu ya 0-0.6 Mpa kuti ikhazikitse kukakamiza kumbuyo. Zomwe zingagwiritsidwe ntchito pamodzi ndi pulse damper kuchepetsa kuwonongeka kwa nyundo yamadzi pa dongosolo. Kusunga kupanikizika kwina kosalekeza kuchokera ku mpope kupita ku valve yothamanga kumbuyo, ndikukhalabe ndi kayendedwe ka kayendedwe kake.
Kodi pali kusiyana kotani pakati pa valavu yochepetsera kuthamanga ndi valavu yakumbuyo yakumbuyo?
Valve yothamanga kumbuyo, ndi mtundu wa valve womwe cholinga chake chachikulu ndikuteteza ntchito yotetezeka ya mpope. Ma valve othamanga kumbuyo amaonetsetsa kuti pampu ikugwira ntchito motetezeka poyang'anira kugawa kwapampu yapampu.
Ma valve ochepetsa kupanikizika, kapena ma valve odziwongolera okha, amagwiritsidwa ntchito makamaka kuwongolera kupanikizika kwa dongosolo. Ma valve ochepetsera mphamvu nthawi zambiri amagwiritsidwa ntchito popanga mapaipi ndi machitidwe omwe amayenera kukhalabe ochepetsetsa nthawi zonse pazida zina pomwe pali zoletsa pazovuta kwambiri.
Valavu yakumbuyo yam'mbuyo imagwiritsidwa ntchito kwambiri poteteza pompano, ndi mtundu wa njira "yodziwikiratu" yowongolera valavu. pamene valavu yochepetsera mphamvu imagwiritsidwa ntchito makamaka kuwongolera kupanikizika kwa dongosolo, pali "manual" ndi "automatic" njira ziwiri. Njira ziwiri. Kuonjezera apo, valavu yowonongeka yam'mbuyo imagwiritsidwa ntchito polowera pampu, pamene valve yochepetsera mphamvu imagwiritsidwa ntchito potulukira dongosolo, makamaka chifukwa cha ntchito zawo zazikulu zosiyana.
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