1. Valavu imatenga njira yowongoka.
2. Pofuna kupewa kukwapula kwa sing'anga-kuthamanga kwambiri kwa awiri osindikizira panthawi yogwiritsira ntchito, digiri yosindikizira imatenga mawonekedwe a mipando iwiri ya valve, choyamba kugwedeza ndi kutsekereza katundu wobedwa, ndikugwiritsa ntchito njira yowonongeka kuti ikhale yodziyeretsa yokha, motero kuthetsa kwathunthu Pamene valavu yatsekedwa, chifukwa valavu yotsekedwa imakhala ndi zovuta zowonongeka pamwamba pa valve. kutayikira ndi moyo waufupi wautumiki.
3. Kugwirizana pakati pa thupi ndi bonnet ya anti-scouring globe valve yokhala ndi mdulidwe wa DN≤50mm ndi kugwirizana kwa pin pin shaft, ndipo kugwirizana pakati pa thupi ndi bonnet ya anti-scouring globe valve pamwamba pa DN65 ndi kugwirizana kodzisindikiza kwa flange. mawonekedwe. Zonse ziwirizi ndizosavuta kusokoneza, kusonkhanitsa, zotetezeka komanso zodalirika.
4. Mipope ya nthambi kumapeto kwa valavu imagwirizanitsidwa ndi kuwotcherera.
5. Mpando wa valavu ndi ma valve osindikizira chimbale amapangidwa kuchokera kunja kwa cobalt-based hard alloy surfacing. Malo osindikizira ali ndi mawonekedwe a kuuma kwakukulu, kukana kwa abrasion ndi kukana kwa abrasion.
6. Chitsulo cha nitrided chimagwiritsidwa ntchito ngati tsinde kupanga pamwamba pa tsinde pambuyo pa nitriding kukhala ndi kuuma kwakukulu, kukana kuvala, kukana kukanika, kukana kwa dzimbiri ndi moyo wautali wautumiki.
Nthawi yotumiza: Mar-08-2024