Diad inagew-agew ya pangusar na butterfly valves, mabetbet ya naeksperiensya so nanduruman pakaderal. Say itatagey na laman na balbula tan bonnet na butterfly valve et sakey ed saray dakel ya ag-inkayadyari. Antoy rason na sayan nagagawa? Wala ni kasi ray arum ya problema ya nepeg ya amtaen? Say TWS butterfly valve et mangisusumaryo ed onggendan a situasyon,
Parte 1, Say itatagey na laman na balbula tan bonnet
1. Say kalidad na panag-cast na saray iron casting et aliwan atagey, tan wala ray depekto a singa saray paltos, malukak iran istruktura, tan saray slag ya inlaktip ed laman na balbula tan laman na sakbong na balbula;
2. Say tawen et manyeyelo tan manbibikkel;
3. Makapuy ya welding, wala ray depekto a singa say slag inclusion, ag-welding, stress cracks, tan arum ni;
4. Say cast iron butterfly valve et aderal kayari ton atumba na ambelat iran bengatla.
paraan na panagmintina
1. Pian napaaligwas so kalidad na panag-cast, gawaen so strength test unong ed saray totontonen antis ya i-install;
2. Paradbalbula na kulibangbangdiad temperaturan abeba nen 0°C tan abeba, nepeg ya pansiansiaen ya ambetel odino painitan, tan saray balbula na kulibangbang ya agla nausar et nepeg ya ekalen so natipon a danum;
3. Say welding seam na valve body tan bonnet ya tugyopen na welding et nepeg ya gawaen unong ed saray matukoy ya welding operation procedures, tan say flaw detection tan strength tests et nepeg ya gawaen kayari na welding;
4. Bawal so pangitulak tan pangiyan na ambelat iran bengatla ed butterfly valve, tan ag nayarin tupaken iray cast iron tan aliwan metal ya butterfly valve panamegley na hand hammers. Say pangipuesto na angkakabaleg a diametro na butterfly valves et nepeg ya walay bracket to.
Part 2. Leakage ed panag-impake
1. Lingon pinilin filler, ag makaresisti ed medium corrosion, ag makaresisti ed atagey a presyon odino vacuum, atagey a temperatura odino abeban temperatura ya pangusar na butterfly valve;
2. Say packing et aliwan duga so pangipuesto, tan wala ray depekto a singa say pangisaliwan na melag ed angkakabaleg, makapuy iran spiral coil joints, masimpit so tagey tan malukak so leksab;
3. Say filler et tinmakken la tan naandi so inka-elastiko to ed labas na panaon na serbisyo;
4. Say inkasusto na valve stem et aliwan atagey, tan wala ray depekto a singa say pan-bending, corrosion, tan wear;
5. Say bilang na saray packing circles et kulang, tan say gland et ag-akapeket a malet;
6. Aderal so gland, bolts, tan arum niran parte, kanian ag napeket a malet so gland;
7. Aliwan suston operasyon, alablabas a puersa, tan arum nira;
8. Say gland et aka-skewed, tan say gap ed baetan na gland tan say valve stem et melag odino baleg, kanian naderal so valve stem tan naderal so packing.
paraan na panagmintina
1. Say materyal tan klase na filler et nepeg ya pilien unong ed kondisyon na pantratrabaho;
2. Iyan ya susto so packing unong ed saray totontonen, say packing et nepeg ya ipuesto tan i-compact ya sakey-sakey, tan say joint et nepeg ya walad 30°C odino 45°C;
3. Saray pakete ya andukey so bilay to, maedad la tan aderal et nepeg ya salatan ed dugan panaon;
4. Kayari na inkabako tan inkaupot na valve stem, nepeg ya ipetek tan apigeren, tan say aderal et nepeg ya salatan ed dugan panaon;
5. Say packing et nepeg ya i-install unong ed nibaga ya bilang na turns, say gland et nepeg ya simetriko tan parepareho so inka-tighten to, tan say gland et nepeg ya walay pre-tightening gap ya masulok ya 5mm;
6. Saray aderal ya glands, bolts tan arum niran kabiangan et nepeg ya apigeren o salatan ed dugan panaon;
7. Nepeg ya tumboken iray paraan na panag-operate, likud ed impact handwheel, man-operate ed pirmin kapeles tan normal a puersa;
8. Saray gland bolts et nepeg ya parepareho tan simetriko ya ipeket. No say gap ed baetan na gland tan say valve stem et melag, nepeg ya pabalegen so gap ed dugan paraan; no say gap ed baetan na gland tan say valve stem et baleg, nepeg ya salatan itan.
Parte 3 Say itatagey na tapew na seal
1. Say sealing surface et aliwan patatdang tan ag nayarin manporma na maapit a linya;
2. Say tagey a sentro na koneksion ed baetan na valve stem tan say mansara a membro et akabitin, aliwan duga odino aderal la;
3. Saybalbulasay stem et ag-inmabeba odino ag-inka-assemble, kanian saray mansara ya parte et ag-onkukurang odino ag-akasentro;
4. Say kalidad na materyales ed tapew na sealing et ag-apili na susto odino say balbula et ag-apili unong ed kondisyon na pantratrabaho.
paraan na panagmintina
1. Pilien so materyales tan klase na gasket unong ed kondisyon na pantratrabaho;
2. Maalwar ya pangi-adjust tan maabig ya operasyon;
3. Saray bolts et nepeg ya parepareho tan simetriko ya ipeket. No nakaukolan, nepeg ya usaren so torque wrench. Say pre-tightening force et nepeg ya makaabot ed saray kakaukolanen tan ag nepeg ya baleg o melag. Nepeg ya walay pre-tightening gap ed baetan na flange tan say threaded connection;
4. Say pantitipon na gasket et nepeg ya aka-align ed pegley, tan say puersa et nepeg ya parepareho. Say gasket et ag nayarin man-overlap tan mangusar na doble gasket;
5. Say static sealing surface et abulok, aderal, tan aliwan atagey so kalidad na panagproseso. Nepeg ya gawaen so pangapiger, panaggiling, tan panagkolor pian say static sealing surface et makaabot ed saray kakaukolanen;
6. No mangikabit na gasket, imanoen so kalinisan. Say tapew na sealing et nepeg ya linisan na kerosene, tan say gasket et ag nepeg ya napelag ed dalin.
Parte 4. Say panag-leak ed joint na sealing ring
1. Say sealing ring et ag-inlukot a malet;
2. Say sealing ring et aka-weld ed laman, tan say kalidad na surfacing et makapuy;
3. Say mankokonektaan a sinulid, tornilyo tan pressure ring na sealing ring et malukak;
4. Say sealing ring et akakonekta tan abulok.
paraan na panagmintina
1. Parad saray leak ed pasen na panag-seal, nepeg ya i-inject so adhesive insan i-roll tan i-ayos;
2. Say sealing ring et nepeg ya i-reweld unong ed welding specification. No ag naapiger so surfacing welding, nepeg ya ekalen so orihinal ya surfacing welding tan panagproseso;
3. Ekalen iray tornilyo, linisan so pressure ring, salatan iray aderal a parte, gilingan so sealing surface tan say connecting seat, insan i-assemble lamet. Parad saray parte ya baleg so depekto na corrosion, nayarin apigeren itan panamegley na welding, bonding tan arum niran paraan;
4. Say mankokonektaan a tapew na sealing ring et abulok, ya nayarin apigeren panamegley na panaggiling, panag-bond, tan arum nira. No ag-itan naapiger, nepeg ya salatan so sealing ring.
Parte 5. Say leakage et nagagawa no napelag so sarado
1. Say makapuy ya operasyon et pansengegan na pakapeket na saray mansara ya parte tan pakaderal tan pakabuyak na saray kasukasuan;
2. Say koneksyon na pansara ya parte et aliwan malet, malukak tan onlelereg;
3. Say materyal na pankokonektaan a piraso so ag-apili, tan ag-itan makaanos ed pakaderal na medium tan say inka-wear na makina.
paraan na panagmintina
1. Susto so operasyon, isara so butterfly valve ya anggapoy alablabas a puersa, tan lukasan so butterfly valve ya ag-onlampas ed tagey ya dead point. Kayari nabalbula na kulibangbangno sigpot ya alukasan, say hand wheel et nepeg ya ibalikas na daiset;
2. Say koneksyon ed baetan na mansara a parte tan say stem na balbula et nepeg ya malet, tan nepeg ya walay backstop ed threaded connection;
3. Saray fasteners ya inusar pian ikonekta so pansara na parte tan say valve stem et nepeg ya makasungdo ed corrosion na medium tan walay pigaran mekanikal ya biskeg tan wear resistance.
Oras na pangi-post: Disyembre-14-2024
