Valve hman dan pawh hi valve enfiah leh enkawl dan a ni bawk. Mahse, valve hman hunah a hnuaia thilte hi ngaihven tur a ni.
1Temperature sang tak valve a ni. 200°C aia sang a nih chuan bolt te chu a lum a, a sei a, hei hian valve seal chu a tizau awlsam hle. Hetih lai hian bolt te hi “hot-tightened” a ngai a, valve stem chu a thi lo va, a hnua hawn harsa a nih loh nan, valve khar kim vek a hot-tightening tih hi a dik lo.
2Season-ah chuan temperature 0°C hnuai lam ah chuan steam leh tui titawptu valve te tan valve seat plug hawn ngaihven la, condensed water leh accumulated water te chu paih chhuak tur a ni a, chutiang chuan valve chu a vawt lo ang a, a crack lo ang. Tui pungkhawm tibo thei lo valve leh a hun taka hnathawk thei valve te tan heat preservation ngaihven rawh.
3 Packing gland hi press khauh lutuk loh tur a ni a, valve stem flexible operation a chak zawk tur a ni (packing gland kha a khauh poh leh a tha zawk, valve stem wear a ti chak ang a, operating torque a ti sang ang tih ngaihtuah hi a dik lo). Protective measures awm lo condition hnuaiah chuan packing chu pressure hnuaiah thlak emaw dah belh emaw theih a ni lo.
4Operation neih chhung hian ngaithla, rim, hmuh, khawih, etc. atanga thil thleng pangngai lo hmuhchhuah te chu uluk taka zirchian a ngai a, anmahni solution-a telte chu a hun takah tihbo vek tur a ni
5 Operator chuan log book emaw record book bik emaw a nei tur a ni a, valve hrang hrang hnathawh dan record a ngaihven tur a ni a, a bik takin valve pawimawh thenkhat, high temperature leh high pressure valve leh special valve te, an transmission device te pawh telin. An hriat tur a ni a, a chhiat dan, a enkawl dan, a thlak danglam dan te, etc., heng thilte hi a enkawltu ngei, siamthattu leh siamtu tan pawh a pawimawh hle. Mawhphurhna chiang tak nei log bik siam la, chu chu management tihchakna atan a hlawkthlak hle.
Post hun chhung: Mar-15-2022
