Say balbula et tuloytuloy ya manmantini tan mangompleto ed saray niiter ya functional requirements ed loob na sakey a panaon na pantratrabaho, tan say performance na pamasiansia ed niiter ya parameter value ed loob na nibaga ya range et tatawagen ya failure-free. No naderal so performance na balbula, walay nagawa ya ag-inkayadyari.
1. Panlalaman na kahon
Saya so manunan aspekto na pambabatik, pambabatik, panag-itol, tan panag-leak, tan saya so mabetbet a nanengneng ed saray pabrika.
Saray rason no akin ya inmepas so stuffing box et singa onggendan:
Say materyal et ag mipara ed inka-corrosive, temperatura tan pressure na working medium;
2Say paraan na panagpano et aliwan duga, lalo la no say interon pakete et iiyan ed sakey a spiral, posiblin pansengegan na itagas;
③Say inkasusto na panagmakina odino say inkasumpal na tapew na valve stem et aliwan magenap, odino walay ovality, odino wala ray nicks;
Say sanga na balbula et apaldua, odino akalawang lapud anggapoy proteksion to ed paway na dagem;
⑤Say sanga na balbula et akaluko;
6Say pakete et abayag lan nausar tan tinmakken la;
7Say operasyon et masyadon maruksa.
Say paraan pian naekal so panag-leak na packing et:
Suston panagpili na saray filler;
②Isulat ed dugan paraan;
No say valve stem et ag kualipikado, nepeg ya apigeren o salatan, tan say tapew to et nepeg ya ag-onkulang ed ▽5, tan say mas importante, nepeg ya onabot ed ▽8 odino onsulok ni, tan anggapoy arum ya depekto;
Manggawa na proteksion pian ag-onkalawang, tan saramay nakalawang la et nepeg ya salatan;
⑤Say pangiyuko ed sanga na balbula et nepeg ya ipetek odino i-update;
⑥Kayari ya nausar so pack ed loob na sakey a panaon, nepeg ya salatan itan;
7Say operasyon et nepeg ya malet, kalkalnan lukasan tan kalkalnan isara pian naprebentaan so biglan panguman na temperatura odino medium impact.
2. Say itatagey na saray parte na pansara
Kaslakan, say itatagey na kahon na palaman et tatawagen ya itatagey na paway, tan say mansara ya parte et tatawagen ya itataktak ed loob. Say itatagey na saray parte na pansara, diad loob na balbula, et aliwan mainomay ya naromog.
Say itatagey na saray parte na panagsara et nayarin naapag ed duaran kategorya: say sakey et say itatagey na tapew na sealing, tan say sananey et say itatagey na lamot na sealing ring.
Saray sengegan na itatagey et:
1Say tapew na seal et aliwan maong ya giniling;
②Say sealing ring et ag malet ya akapeket ed valve seat tan valve disc;
Say koneksyon na valve disc tan say valve stem et aliwan malet;
Say sanga na balbula et akabaluktot tan akapeket, pian say tagey tan leksab a parte na pansara et ag akasentro;
⑤Maples ya isara, say tapew na seal et ag makapitongtong odino abayag lan aderal;
agsuston panagpili na materyales, ag makaanos ed pakaderal na medium;
Usaren so globe valve tan gate valve bilang regulating valve. Say tapew na seal et ag makaanos ed erosion na maples ya onaagus a medium;
8Arum a media et kalkalnan onlemew kayari na pangisara ed balbula, kanian say tapew na sealing et ompatnag na saray slit, tan nagawa met so erosion;
Say threaded connection et uusaren ed baetan na pigaran sealing surfaces tan say valve seat tan valve disc, ya mainomay ya makagawa na oxygen concentration different battery tan man-corrode;
⑩Say balbula et ag nayarin isara na malet lapud wala ray karga ton dutak a singa say welding slag, kalawang, dabok, odino saray mekanikal a parte ed sistema na produksyon ya onlelereg tan mangamper ed balbula.
Saray paraan pian naprebentaan et:
1Antis ya usaren, kaukolan mon suboken a maong so pressure tan leak, tan anapen so leakage na sealing surface odino say lamot na sealing ring, insan mo usaren kayari na panagtambal;
2Kaukolan ya nengnengen nin masakbay no kasin walad maong a kondisyon iray nanduruman parte na balbula. Agmo usaren so balbula ya say sanga na balbula et akalukob odino akapeket odino say disk na balbula tan say sanga na balbula et ag-akakonekta a maong;
③Say balbula et nepeg ya malet ya isara, aliwan mabiskeg. No nanengneng mon aliwan maong so pankakasakey na saray sealing surface odino walay makaamper, nepeg mon lukasan a tampol itan ed antikey a panaon pian ompaway iray debris, insan mo isara a maong;
④No manpipili na balbula, aliwan say resistensya labat na laman na balbula ed panag-apag, no ag pati say resistensya na panag-apag na saray mansara ya parte so nepeg ya ikonsidera;
Base ed saray katangian na istruktura na balbula tan suston pangusar, saray kabiangan ya kaukolan ya mangi-adjust ed agos et nepeg ya mangusar na regulating valve;
6Parad kaso ya say medium et pinalamig tan baleg so pandumaan na temperatura kayari na pangisara ed balbula, say balbula et nepeg ya isara a malet kayari na pangisara;
No say valve seat, valve disc tan sealing ring et akakonekta panamegley na sinulid, say PTFE tape et nayarin usaren bilang packing ed baetan na saray sinulid, pian anggapoy gap;
8Nepeg ya idagdag so filter ed arap na balbula parad balbula ya nayarin napelag ed saray dutak.
3. Ag-inmabig so valve stem lift
Saray rason no akin ya ag-onkukurang so valve stem et:
1Say sinulid et aderal lapud alablabas ya operasyon;
kakulangan na lubrication odino ag-inkayadyari na lubricant;
③Say sanga na balbula et akaluko tan akapeket;
④Say tapew na tapew et aliwan magenap;
Say fit tolerance et aliwan susto, tan say kagat et masyadon masimpit;
Say valve stem nut et akakiling;
Say agsuston panagpili na materyales, alimbawa, say valve stem tan say valve stem nut et gawa ed parehon materyales, ya mainomay ya kagaten;
8Say sinulid et aderal lapud medium (manutukoy ed balbula ya walay dark stem valve odino say balbula ya walay stem nut ed leksab);
Say open-air valve et anggapoy proteksion to, tan say valve stem thread et asakbongan na dabok tan buer, odino nakalawang lapud uran, ambetel, yelo tan niebe.
Paraan na prebension:
① Maalwar ya operasyon, ag-ipilit no mansara, ag-aboten so tagey ya inatey a sentro no manlukas, ibalikas so handwheel na sakey odino duaran liko kayari na panlukas ya magenap pian onsara so tagey a diking na thread, pian ag-itulak na medium so valve stem ya ontatdang pian ontupak;
2Mabetbet ya nengnengen so kondisyon na lubrication tan pansiansiaen so normal ya estado na lubrication;
③Agmo lukasan tan isara so balbula panamegley na andukey a lever. Saray trabahador ya akaugalian day mangusar na antikey a lever et nepeg ya kontrolen dan maong so karakel na puersa pian ag-onkupas so valve stem (ya manutukoy ed balbula ya direktan akakonekta ed handwheel tan say valve stem);
④Paaligwasen so kalidad na panagproseso odino panag-apiger pian nasumpal iray kakaukolanen ed detalye;
⑤Say materyales et nepeg ya ag-onkupas tan makaadapta ed temperatura na pantratrabaho tan arum niran kondisyon na pantratrabaho;
⑥Say valve stem nut et ag nepeg ya gawad parehon materyales ed valve stem;
No manguusar na plastik bilang valve stem nut, nepeg ya nengnengen so biskeg to, aliwan say maong labat ya resistensya ed corrosion tan melag ya friction coefficient, noagta pati say problema ed biskeg, no kulang so biskeg to, ag-itan usaren;
Say sakbong na proteksion na balbula et nepeg ya idagdag ed balbula na lukas ya dagem;
⑨Parad normal ya lukas ya balbula, regular ya ibalikas so handwheel pian ag-onkalawang so sanga na balbula.
4. Arum
Gasket leakage:
Say manunan rason et ag-itan makalaban ed corrosion tan ag-itan makaadapta ed temperatura tan pressure na pantratrabaho; tan say panguman na temperatura na high temperature valve.
Mangusar na gasket ya matukoy ed kondisyon na pantratrabaho. Nengnengen no kasin say materyales na gasket et matukoy parad balon balbula. No ag-itan manepeg, nepeg ya salatan. Parad saray balbula ya atagey so petang to, ipeket lamet iray bolt legan ya uusaren.
Bitak so laman na balbula:
Kaslakan et lapud panyelo. No ambetel so panaon, say balbula et nepeg ya walay thermal insulation tan heat tracing measures. Ta no andi, say danum ed balbula tan say mankokonektaan a tubo et nepeg ya onagus kayari na itunda na produksyon (no walay saksakan ed leksab na balbula, nayarin lukasan so saksakan pian onagus).
Aderal ya handwheel:
Lapud impakatumba odino mabiskeg ya operasyon na andukey a lever. Nayarin napaliisan itan basta imanoen na operator tan arum niran totoon walay koneksion to.
Say packing gland et aderal:
Aliwan pareparehon puersa no i-compress so packing, odino depektibon gland (kaslakan et cast iron). I-compress so packing, i-rotate so screw ya simetriko, tan ag-i-skew. No manggagawa, aglabat nepeg ya imanoen iray angkakabaleg tan manunan parte, noagta imanoen met iray segundaryon parte a singa saray glandula, ta no andi et naapektoan so pangusar.
Say koneksion na valve stem tan say valve plate et ag-onkualipika:
Say gate valve et manguusar na nanduruman klase na koneksion ed baetan na rektanggulo ya ulo na valve stem tan say T-shaped groove na gate, tan say T-shaped groove et no maminsan et ag naproseso, kanian say rektanggulo ya ulo na valve stem et maples ya naandi. Manuna ed aspekto na panaggawa pian naresolbe. Balet, sarag met na manguusar ya manggawa na T-shaped groove pian nawalaan na pigaran inka-smooth.
Say gate na double gate valve et agto nayarian ya ipeket a malet so sakbong:
Say tension na doble a puerta et nanlapud tagey a wedge. Parad arum ya gate valve, say tapew na wedge et makapuy so materyales to (low-grade cast iron), tan naderal odino nabuyak kayari na pangusar. Say tagey a wedge et melag a piraso, tan say materyal ya inusar et aliwan dakel. Sarag na manguusar ya gawaen itan ya carbon steel tan salatan toy orihinal ya cast iron.
Oras na pangi-post: Apr-18-2022
