Valavu ya PVC yothamanga kawiri ndi chida chachikulu chowongolera kutuluka kwa sing'anga pamapaipi amankhwala.Mfundo yeniyeni ndi mawonekedwe apakati pazigawo zimatengera mabuku ofunikira.Vavu ili ndi magawo atatu: thupi la valve, njira yotsegula ndi yotseka, ndi chivundikiro cha valve.
PVC ntchito iwiri ya valavu ya mpira
1. Kutsegula ndi kutseka ntchito kumalepheretsa kapena kuyankhulana ndi kutuluka kwa madzi mu chitoliro;
2. Ntchito yosinthira imasintha kayendedwe ka kayendedwe ka kayendedwe ka kayendedwe kake mu chitoliro;
3. Mphamvu ya throttling imayambitsa kutsika kwakukulu pambuyo poti madziwo adutsa mu valve;
4. Ntchito zina a.Kutsegula ndi kutseka mwachidwi b.Khalanibe ndi chitsenderezo china c.Kutsekereza nthunzi ndi ngalande
Zosiyanasiyana za PVC ziwiri zoyitanitsa valavu ya mpira
1. Zodziwika ndi ntchito: valavu yodulidwa, valavu yoyendetsa, valve yodutsa, valavu yowunika, valavu yotetezera;
2. Malinga ndi mphamvu yochitirapo kanthu: valavu ina yochitapo kanthu, valavu yochitapo kanthu.
Zinthu zowunikira zisanachitike za PVC valavu yapawiri ya mpira ndi:
1. Kaya pali matuza, ming'alu ndi zolakwika zina mkati ndi kunja kwa thupi la valve;
2. Kaya kugwirizana pakati pa mpando wa valve ndi thupi la valavu kuli kolimba, ngati pakati pa valve ndi mpando wa valve ndizofanana, komanso ngati malo osindikizira ali ndi vuto;
3. Kaya kugwirizana pakati pa tsinde la valve ndi chigawo cha valve ndi chodalirika, kaya tsinde la valve likupotoka, kaya ulusi wawonongeka kapena wawonongeka;
4. Kaya kulongedza ndi gasket ndi ukalamba ndi kuonongeka;
5. Kaya valavu ndi dexterous kutsegula, etc.
Mafunso Ofunsidwa Kawirikawiri
1. Flange ndi ulusi kutayikira pa kugwirizana ndi payipi;
2. Kuyika kutayikira kwa culvert, kutayikira kwa chiuno ndi tsinde la valve sikungatsegulidwe;
Nthawi yotumiza: Jun-10-2022