1. Pamene gawo lotseka latuluka, kutuluka kwa madzi kumachitika.

chifukwa:

1. Kusagwira bwino ntchito kumapangitsa kuti zigawo zotsekera zitsekere kapena kupitirira mfundo yakufa yapamwamba, zomwe zimapangitsa kuti maulumikizidwe awonongeke komanso asweke;

2. Kulumikizana kwa gawo lotseka ndi kofooka, kosasunthika, komanso kosakhazikika;

3. Zipangizo zolumikizira sizinasankhidwe mosamala, ndipo sizingapirire dzimbiri la chinthucho komanso kuwonongeka kwa makinawo.

Njira yokonzera

1. Kuti muwonetsetse kuti ntchito ikuyenda bwino, tsekanivalavuTsegulani pang'onopang'ono popanda kupita pamwamba pa malo ouma. Gudumu lamanja liyenera kutembenuzidwa pang'ono kumbuyo pamene valavu yatsegulidwa kwathunthu;

2. Payenera kukhala malo olumikizirana ndi ulusi ndi kulumikizana kotetezeka pakati pa gawo lotseka ndi tsinde la valavu;

3. Zomangira zomwe zimagwiritsidwa ntchito polumikizavalavuGawo la tsinde ndi lotseka liyenera kukhala lotha kupirira dzimbiri lapakati komanso kukhala ndi mphamvu zinazake komanso kukana kuwonongeka.

2. Kutulutsa madzi (pambali pakutayikira kwa valavu,kutayikira kwa phukusi ndiko kwakukulu kwambiri).

chifukwa:

1. Kusankha kolakwika kwa kulongedza; kugwiritsa ntchito valavu pa kutentha kwakukulu kapena kotsika; kukana dzimbiri kwapakati; kukana kuthamanga kwambiri kapena vacuum; 2. Kukhazikitsa kolakwika kwa kulongedza, kuphatikizapo zolakwika zazing'ono monga kusintha kwakukulu, kulumikizana kosakwanira kozungulira, komanso pamwamba ndi pansi kolimba;

3. Chodzazacho chakhala chakale, chakhala chothandiza kwambiri, ndipo chataya kusinthasintha kwake.

4. Kulondola kwa tsinde la valavu ndi kochepa, ndipo pali zolakwika kuphatikizapo kupindika, dzimbiri, ndi kutha.

5. Chiwalocho sichimafinyidwa bwino ndipo palibe zozungulira zokwanira zomangira.

6. Chiwalo cha gland, mabolts, ndi zigawo zina zawonongeka, zomwe zimapangitsa kuti zikhale zosatheka kukankhira chiwalocho mwamphamvu;

7. Kugwiritsa ntchito molakwika, mphamvu zosafunikira, ndi zina zotero;

8. Chiwalocho ndi chopindika, ndipo malo pakati pa chiwalocho ndi tsinde la valavu ndi afupi kwambiri kapena akuluakulu kwambiri, zomwe zimapangitsa kuti chiwalocho chiwonongeke msanga ndipo cholongedzacho chiwonongeke.

Njira yokonzera

1. Zipangizo zodzaza ndi mtundu wake ziyenera kusankhidwa kutengera momwe ntchito ikuyendera;

2. Ikani phukusi molondola motsatira malamulo oyenera. Malo olumikizirana ayenera kukhala pa 30°C kapena 45°C, ndipo chidutswa chilichonse cha phukusi chiyenera kuyikidwa ndikukanikizidwa payekhapayekha. 3. Phukusilo liyenera kusinthidwa likangofika kumapeto kwa moyo wake wothandiza, kukalamba, kapena kuwonongeka;

4. Chitsulo cha valavu chomwe chawonongeka chiyenera kusinthidwa mwachangu chikapindika ndi kutha; kenako chiyenera kuwongoledwa ndikukonzedwa.

5. Chigobacho chiyenera kukhala ndi mpata womangika wopitirira 5mm, chogwiriracho chiyenera kuyikidwa pogwiritsa ntchito kuchuluka kwa ma turn omwe aperekedwa, ndipo chigobacho chiyenera kumangidwa mofanana komanso mofanana.

6. Maboluti, ma gland, ndi zina zomwe zawonongeka ziyenera kukonzedwa kapena kusinthidwa mwachangu;

7. Malangizo ogwiritsira ntchito ayenera kutsatiridwa, ndi gudumu logundana likugwira ntchito mwamphamvu yachibadwa komanso liwiro lokhazikika;

8. Limbitsani mabotolo a gland mofanana komanso mofanana. Malo pakati pa gland ndi tsinde la valve ayenera kukulitsidwa bwino ngati ndi laling'ono kwambiri, kapena ayenera kusinthidwa ngati ndi lalikulu kwambiri.

3. Malo otsekera akutuluka

chifukwa:

1. Malo otsekera sangathe kupanga mzere woyandikana ndipo si athyathyathya;

2. Pakati pa chilumikizano cha valavu chochokera ku tsinde kupita ku kutseka kwa chiwalo chapakati chasokonekera, chawonongeka, kapena chapachikidwa;

3. Zigawo zotsekera zimapotoka kapena sizili pakati chifukwa chakuti tsinde la valavu lasokonekera kapena silinapangidwe bwino;

4. Valavu siisankhidwa motsatira momwe ntchito ikuyendera kapena khalidwe la zinthu zotsekera silinasankhidwe bwino.

Njira yokonzera

1. Sankhani bwino mtundu ndi zipangizo za gasket mogwirizana ndi malo ogwirira ntchito;

2. Kukhazikitsa mosamala ndi ntchito yosavuta;

3. Mabotolo ayenera kukhala olimba mofanana komanso mofanana. Chingwe cholumikizira mphamvu chiyenera kugwiritsidwa ntchito ngati pakufunika. Mphamvu yomangira isanakwane iyenera kukhala yokwanira komanso isakhale yokwera kwambiri kapena yotsika kwambiri. Pakati pa flange ndi cholumikizira cha ulusi, payenera kukhala mpata womangira isanakwane;

4. Mphamvu iyenera kukhala yofanana ndipo gulu la gasket liyenera kukhala pakati. N'koletsedwa kugwiritsa ntchito ma gasket awiri ndikuphimba ma gasket;

5. Malo otsekera osasinthika akonzedwa ndipo adzimbirika, awonongeka, komanso alibe khalidwe labwino. Pofuna kuonetsetsa kuti malo otsekera osasinthika akukwaniritsa zofunikira, kukonza, kupukuta, ndi kuyesa utoto kuyenera kuchitidwa;

6. Samalani ukhondo mukayika gasket. Mafuta a palafini ayenera kugwiritsidwa ntchito kuyeretsa pamwamba pa gasket, ndipo gasket isagwere pansi.