Zogulitsa
0102030405
Valavu ya Mpira wa PPR Wachiwiri Wogwira Ntchito-1066-DN20
gawo
Vavu yamadzi ndi chida chofunikira chomwe chimagwiritsidwa ntchito kwambiri m'mapaipi amadzi, chomwe chimagwiritsidwa ntchito kuwongolera, kulamulira kapena kuletsa kuyenda kwa madzi. Ndi yoyenera kugwiritsidwa ntchito m'malo osiyanasiyana, kuphatikizapo mafakitale, mabizinesi, ndi mabanja.
Ma valve a mpira a PPR double screw amapangidwa ndi zinthu zapamwamba za PPR kuphatikiza ndi chitsulo chopangidwa ndi A105 kuti awonjezere kukana dzimbiri ndi kulimba kwa valavu ndikuwonjezera moyo wa ntchito. Kapangidwe kake ndi kosavuta komanso komveka bwino, sikuti kokha kosavuta kugwira ntchito tsiku ndi tsiku, komanso kosavuta kusokoneza ndi kusamalira, kudzera mu kuyeretsa ndi kukonza nthawi zonse, mutha kuwonjezera moyo wa ntchito ya valavu. Nthawi yomweyo, PTFE imasankhidwa ngati chinthu chotsekera valavu kuti iwonetsetse kuti ikugwira ntchito bwino kwambiri pamene valavu yatsekedwa ndikuletsa kutuluka kwa madzi, motero kuonetsetsa kuti dongosolo la mapaipi likugwira ntchito bwino komanso mokhazikika. Pamalo otentha kwambiri, zinthu za PPR zokhala ndi kukana kutentha bwino, kotero kuti valavu ikhoza kukwaniritsa zosowa za makina opopera madzi otentha, kuonetsetsa kuti valavu ikhoza kugwira ntchito bwino kutentha kwambiri. Kuphatikiza apo, magwiridwe antchito abwino kwambiri oletsa kukalamba a zinthu za PPR zimapangitsa kuti valavuyo isavute kuwononga kapena kuwononga ikagwiritsidwa ntchito kwa nthawi yayitali, zomwe zimachepetsa kwambiri mtengo wosinthira.
Ponena za kukhazikitsa, valavu ya PPR iwiri imagwiritsa ntchito kulumikizana kwa malo olumikizirana amoyo, imapangitsa kuti njira yoyikira ikhale yosavuta, ndipo ndi yoyenera machitidwe osiyanasiyana a mapaipi, zomwe zimapatsa ogwiritsa ntchito zosankha zambiri komanso zosavuta. Kapangidwe ka chogwirira chozungulira kamapangitsa kuti ntchito yosinthira valavu ikhale yosavuta, ndipo wogwiritsa ntchito amatha kutsegula kapena kutseka valavu mosavuta pongotembenuza pang'ono. Mavalavu athu ali ndi mitundu yosiyanasiyana yogwiritsira ntchito ndipo amatha kuwongolera zinthu zosiyanasiyana zamadzimadzi, monga madzi ozizira, madzi otentha, madzi akumwa, ndi zina zotero, kotero amagwiritsidwa ntchito kwambiri pakupanga, kupereka madzi ndi ngalande, kuzimitsa moto ndi madera ena, kukhala gawo lofunikira kwambiri mu dongosolo la mapaipi.
Ponena za kukhazikitsa, valavu ya PPR iwiri imagwiritsa ntchito kulumikizana kwa malo olumikizirana amoyo, imapangitsa kuti njira yoyikira ikhale yosavuta, ndipo ndi yoyenera machitidwe osiyanasiyana a mapaipi, zomwe zimapatsa ogwiritsa ntchito zosankha zambiri komanso zosavuta. Kapangidwe ka chogwirira chozungulira kamapangitsa kuti ntchito yosinthira valavu ikhale yosavuta, ndipo wogwiritsa ntchito amatha kutsegula kapena kutseka valavu mosavuta pongotembenuza pang'ono. Mavalavu athu ali ndi mitundu yosiyanasiyana yogwiritsira ntchito ndipo amatha kuwongolera zinthu zosiyanasiyana zamadzimadzi, monga madzi ozizira, madzi otentha, madzi akumwa, ndi zina zotero, kotero amagwiritsidwa ntchito kwambiri pakupanga, kupereka madzi ndi ngalande, kuzimitsa moto ndi madera ena, kukhala gawo lofunikira kwambiri mu dongosolo la mapaipi.
