Jan 01, 2020 Siyani uthenga

Taboo Of Valve Installation

1. Zida zazikulu, zida ndi zinthu zomwe zimagwiritsidwa ntchito pomanga ndi kusowa kwa zikalata zozindikiritsa zaukadaulo kapena ziphaso zomwe zimakwaniritsa miyezo yapadziko lonse kapena unduna.

2. Musamayendetse mayendedwe ofunikira monga momwe mukufunikira musanayambe kuika valve.

3. Mafotokozedwe ndi chitsanzo cha valavu yoyikidwa sichikwaniritsa zofunikira za mapangidwe. Mwachitsanzo, kuthamanga kwadzina kwa valve kumakhala kochepa kuposa kupanikizika kwa dongosolo; pamene chitoliro cha chitoliro cha chitoliro cha madzi ndi chocheperapo kapena chofanana ndi 50 mm, valve yachipata imagwiritsidwa ntchito; valavu yoyimitsa imagwiritsidwa ntchito pamapaipi owuma ndi oyima a kutentha kwa madzi otentha; valavu ya butterfly imagwiritsidwa ntchito poyamwa madzi pampopi yamoto.

4. Njira yolakwika yoyika ma valve. Mwachitsanzo, njira yamadzi (nthunzi) yothamanga ya valve yoyimitsa kapena valavu yoyang'ana ikutsutsana ndi chizindikiro, tsinde la valve limayikidwa pansi, valavu yoyang'ana yomwe imayikidwa mozungulira imayikidwa molunjika, chogwirira cha valavu yokwera pachipata kapena valavu ya butterfly ilibe malo otsegulira ndi kutseka, ndipo tsinde la valve la valve yobisika siliyang'anizana ndi valve yoyendera.

5. Wamba valavu flange ntchito agulugufe valavu flange.

6. Palibe mabowo osungidwa ndi magawo ophatikizidwa pomanga nyumba yomanga, kapena kukula kwa mabowo osungidwa ndi ochepa kwambiri ndipo mbali zophatikizidwa sizimatchulidwa.

7. Panthawi yowotcherera chitoliro, mgwirizano wogwedezeka wa mipope pambuyo pa mgwirizano wa matako suli pamzere wapakati, palibe kusiyana komwe kumasiyidwa kwa olowa m'matako, palibe poyambira yomwe imadulidwa chifukwa cha mipope yochuluka ya khoma, ndipo m'lifupi ndi kutalika kwa weld sikukwaniritsa zofunikira za zomangamanga.

8. Paipiyi imakwiriridwa mwachindunji m'nthaka yowuma komanso dothi lotayirira lopanda kuthiridwa, ndipo mtalikirana ndi malo opangira mapaipi ndi zosayenera, ngakhale ngati njerwa zouma.

9. Zida za bawuti yowonjezera pokonza chithandizo cha chitoliro ndizosauka, dzenje lakuya pakuyika bawuti yowonjezera ndi yayikulu kwambiri kapena bolt yowonjezera imayikidwa pa khoma la njerwa kapena ngakhale khoma lowala.

10. Mphamvu ya mbale ya flange ndi gasket yolumikizira mapaipi sikokwanira, ndipo cholumikizira ndi chachifupi kapena m'mimba mwake ndi woonda. Chitoliro cha mphira chimagwiritsidwa ntchito potentha chitoliro, paipi yaasibesitosi imagwiritsidwa ntchito popanga chitoliro cha madzi ozizira, pawiri-padi wosanjikiza kapena bevel pad, ndipo flange pad imatuluka mupaipi.

11. Pakuyesa mphamvu ya hydrostatic ndi kulimba kwa dongosolo la mapaipi, kuchuluka kwamphamvu kokha ndi kusintha kwamadzi kumawonedwa, ndipo kuyang'anira kutayikira sikukwanira.

12. Madzi onyansa, madzi amvula ndi mapaipi a condensate adzabisika popanda kuyesa madzi otsekedwa.

13. Dongosolo la mapaipi silimatsukidwa mosamala lisanamalizidwe, ndipo kuthamanga ndi kuthamanga sikungakwaniritse zofunikira pakuwotcha mapaipi. Imagwiritsanso ntchito kuyesa kwamphamvu kwa hydraulic kukhetsa madzi m'malo mothamangitsa.

14. Yesani kuyesa kuthamanga kwa madzi pansi pa kutentha koyipa panthawi yomanga yozizira.

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