POV Compressor Overflow Valve
Kuyika Guide
POV Compressor Overflow Valve
Kuyika
Kuyika
Zindikirani!
Vavu yamtundu wa POV imagawidwa ngati chowonjezera chowonjezera cha kompresa (osati ngati chowonjezera chachitetezo). Chifukwa chake valavu yachitetezo (mwachitsanzo SFV) iyenera kuyikidwa kuti iteteze dongosolo kupsinjika kwambiri.
Refrigerants
Imagwira ku HCFC, HFC, R717 (ammonia) ndi R744 (CO₂).
Ma hydrocarbon oyaka moto osavomerezeka. Valavu imangolimbikitsidwa kuti igwiritsidwe ntchito pamabwalo otsekedwa. Kuti mudziwe zambiri, lemberani Danfoss.
Kutentha kosiyanasiyana
POV: -50/+150 °C (-58/+302 °F)
Kuthamanga kosiyanasiyana
Ma valve amapangidwa kuti azikhala ndi max. kuthamanga kwa 40 barg (580 psig).
Kuyika
Valavu ya POV imagwiritsidwa ntchito molumikizana ndi BSV kukakamiza kumbuyo kwachitetezo chodziyimira pawokha chothandizira chitetezo ndipo chapangidwa makamaka kuti chiteteze ma compressor kupsinjika kwambiri (mkuyu 5).
Onani kapepala kaukadaulo kuti mumve malangizo ena oyika.
Vavu iyenera kukhazikitsidwa ndi nyumba ya kasupe mmwamba (mkuyu 1). Ndi kukwera kwa valavu ndikofunikira kupewa kutengeka kwa kupsinjika kwa kutentha ndi mphamvu (kugwedezeka).
Valve yapangidwa kuti ikhale yolimba kwambiri mkati. Komabe, makina opangira mapaipi ayenera kupangidwa kuti apewe misampha yamadzimadzi komanso kuchepetsa chiopsezo cha kuthamanga kwa hydraulic komwe kumachitika chifukwa chakukula kwamafuta. Ziyenera kutsimikiziridwa kuti valavu imatetezedwa ku zovuta zowonongeka monga "nyundo yamadzi" mu dongosolo.
Mayendedwe akulimbikitsidwa
Valavu iyenera kuyikidwa ndikuyenda kupita ku chulu cha valve monga momwe muvi wasonyezera pa mkuyu. 2.
Kuyenda mosiyana sikuvomerezeka.
Kuwotcherera
Pamwamba payenera kuchotsedwa musanayambe kuwotcherera (mkuyu 3) kuteteza kuwonongeka kwa mphete za O pakati pa thupi la valve ndi pamwamba, komanso teflon gasket pampando wa valve. Osagwiritsa ntchito zida zothamanga kwambiri pakugwetsa ndi kulumikizanso. Onetsetsani kuti mafuta pa mabawuti ali bwino musanalumikizanenso.
Zida zokha ndi njira zowotcherera zomwe zimagwirizana ndi zida zanyumba za valve ziyenera kugwiritsidwa ntchito. Vavu iyenera kutsukidwa mkati kuti ichotse zinyalala zowotcherera zikamaliza kuwotcherera komanso valavu isanasonkhanitsidwe.
Pewani kuwotcherera zinyalala ndi dothi mu ulusi wa nyumba ndi pamwamba.
Kuchotsa pamwamba kungasiyidwe malinga ngati:
Kutentha kwapakati pa thupi la valve ndi pamwamba komanso m'dera lapakati pa mpando ndi teflon cone panthawi yowotcherera sikudutsa +150 °C/+302 °F. Kutentha kumeneku kumadalira njira yowotcherera komanso kuziziritsa kulikonse kwa valavu panthawi yowotcherera yokha (kuzizira kumatha kutsimikiziridwa ndi, kwa ex.ample, kukulunga nsalu yonyowa kuzungulira thupi la valve). Onetsetsani kuti palibe zinyalala, kuwotcherera ndi zina zomwe zimalowa mu valve panthawi yowotcherera.
Samalani kuti musawononge mphete ya teflon cone.
Nyumba ya valve iyenera kukhala yopanda kupsinjika (katundu wakunja) mutatha kukhazikitsa.
Msonkhano
Chotsani zinyalala zowotcherera ndi zinyalala za mapaipi ndi ma valve musanayambe kusonkhanitsa.
Kumangitsa
Limbani pamwamba ndi torque wrench ku mfundo zomwe zasonyezedwa patebulo (mkuyu 4). Osagwiritsa ntchito zida zothamanga kwambiri pakugwetsa ndi kulumikizanso. Onetsetsani kuti mafuta pa mabawuti ali bwino musanalumikizanenso.
Mitundu ndi chizindikiritso
Kuzindikiritsa kolondola kwa valavu kumapangidwa kudzera pa chizindikiro cha ID pamwamba, komanso ndi stampkukhala pa thupi la valve. Kunja kwa nyumba ya valve iyenera kutetezedwa ku dzimbiri ndi zokutira zoyenera zotetezera pambuyo pa kukhazikitsa ndi kusonkhana.
Chitetezo cha chizindikiro cha ID pojambula valavu ndikulimbikitsidwa.
Ngati mukukayika, chonde lemberani Danfoss. Danfoss savomereza kuti ali ndi udindo pazolakwa ndi zosiyidwa. Danfoss Industrial Refrigeration ili ndi ufulu wosintha zinthu ndi mafotokozedwe popanda kuzindikira.
Malingaliro a kampani Danfoss A/S
Njira Zothetsera Zanyengo
danfoss.com
+45 7488 2222
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Zambiri zamakasitomala aku UK okha:
Danfoss Ltd., 22 Wycombe End, HP9 1NB, GB
© Danfoss | Njira zothetsera nyengo | 2022.06
Kufotokozera: AN14978643320301-000801
Zolemba / Zothandizira
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