Gate Valve: Say gate valve et sakey a balbula ya manguusar na gate (gate plate) pian onkiwas ya patayo ed axis na dalanan. Saya so manunan uusaren ed saray pipeline parad pangibiig ed medium, salanti, sigpot ya lukas odino sigpot ya sarado. Kaslakan, saray gate valve et aliwan matukoy parad regulasyon na agos. Nayarin usaren iratan parad abeban temperatura tan atagey a temperatura tan presyon, depende ed materyal na balbula.
Balet, saray gate valve et kaslakan ya ag-uusaren ed saray tubo ya mangibabagan slurry odino mipadparan media.
Bentaha:
Abeba so resistensya na pluido.
Kaukolan so mas melag a torque parad panlukas tan pansara.
Nayarin usaren ed bidirectional flow systems, ya mamaabuloy ed medium ya onagus ed duaran direksion.
No sigpot ya lukas, say sealing surface et ag tanton naderal manlapud working medium no ikompara ed saray globe valve.
Simpli so istruktura to tan maong so proseso na panaggawa to.
Kompakton karukey na istruktura.
Disbentaha:
Kaukolan so mas baleg ya sukat tan espasyo parad pangipaalagey.
Mas atagey so friction tan wear ed baetan na saray sealing surface legan na panlukas tan pansara, lalo la no atagey so temperatura.
Saray gate valve et kaslakan ya walaan na duaran sealing surface, ya nayarin mamairap ed panagproseso, panaggiling, tan panagmintina.
Mas andukey so panaon na panlukas tan pansara.
Butterfly ValveSay butterfly valve et sakey a balbula ya manguusar na singa disc ya pansara ya man-rotate na manga 90 degrees pian nalukasan, nasara, tan naregula so iyaagus na pluido.
Bentaha:
Simpli so istruktura, melag so kabaleg to, anlemew, tan daiset so nauusar a materyales, kanian matukoy itan parad angkakabaleg iran balbula.
Maples ya panlukas tan pansara ya abeba so resistensya na agos.
Sarag ton asikasoen so media ya walay akabitin ya solidon partikulo tan nayarin usaren parad pulbos tan granular a media depende ed biskeg na sealing surface.
Matukoy parad bidirectional ya panlukas, pansara, tan regulasyon ed saray tubo na bentilasyon tan panag-ekal na dabok. Malaknab ya uusaren ed metalurhiya, light industry, power, tan petrochemical systems parad gas pipelines tan waterways.
Disbentaha:
Limitado so laknab na regulasyon na agos; no say balbula et lukas na 30%, say agos na agos et onlampas ed 95%.
Aliwan matukoy parad saray sistema na tubo ya atagey so temperatura tan atagey so presyon to lapud limitasyon so istruktura tan saray materyales ya pangiseal. Kaslakan, mankikimey itan ed temperaturan abeba nen 300°C tan PN40 o abeba ni.
Mas makapuy so performance na panag-seal no ikompara ed saray ball valve tan globe valve, kanian aliwan maabig parad saray aplikasyon ya atagey so pankaukolan ed panag-seal.
Ball Valve: Say ball valve et nanlapud plug valve, tan say pangisara to et sakey a globo ya manpapalikdo na 90 degrees ed kaliberliber na axis nabalbulastem pian nasumpal so panlukas tan pansara. Say ball valve et manunan uusaren ed saray tubo parad pangisara, pangibunog, tan panguman na direksion na agos. Saray ball valve ya walay V-shaped ya lukas da et walaan met na maong ya pakayarin manregula ed agos.
Bentaha:
Minimal ya resistensya na agos (ngalngalin zero).
Napanmatalkan ya aplikasyon ed makaderal iran media tan abeban boiling point na likido ta ag-itan onpeket legan ya mankikimey (ya anggapoy lubrication).
Makadampot na kompleton panag-seal ed loob na nanduruman pressure tan temperatura.
Maples ya panlukas tan pansara, ya wala ray istruktura ya walay oras na panlukas/pansara ya 0.05 anggad 0.1 segundo, ya matukoy parad saray sistema na automation ed saray testing bench ya anggapoy epekto legan na operasyon.
Automatikon pangiposisyon ed saray posisyon ed ketegan ya walay ball closure element.
Napanmatalkan ya panagselyo ed duaran dapag na pantratrabahoan.
Anggapoy erosion na sealing surfaces manlapud high-speed media no sigpot ya lukas o sarado.
Kompakto tan anlemew so istruktura to, kanian saya so sankaabigan ya istruktura na balbula parad saray sistema na media ya abeba so temperatura to.
Say simetrikon laman na balbula, lalo la ed saray istruktura na laman na balbula ya welded, et makaanos ed stress manlapud saray tubo.
Say elemento na panagsara et makaanos ed atagey a pandumaan na presyon legan na panagsara. Saray fully welded ball valves et nayarin iponpon ed silong na dalin, pian naseguro ya ag-onkupas iray loob, ya say sankatageyan ya serbisyo da et 30 taon, kanian maabig iratan parad saray tubo na langis tan gas.
Disbentaha:
Say manunan materyales na sealing ring na ball valve et say polytetrafluoroethylene (PTFE), ya ag-onkikiwas ed ngalngalin amin a kemikal tan walaan na komprehensibon katangian a singa say abeban friction coefficient, malet ya performance, resistensya ed itatatken, malaknab ya temperatura, tan ekselentin performance na sealing.
Balet, say pisikal iran kablian na PTFE, kaiba lay mas atagey ya expansion coefficient to, inkasensitibo to ed ambetel ya agos, tan makapuy ya thermal conductivity, et mankaukolan na desinyo na saray seat seal ya nibase ed sarayan katangian. Kanian, no say materyal ya panagselyo et magmaliw ya malet, nakompromiso so inkamatoor na panagselyo.
Sakey ni, say PTFE et walaan na abeban temperature resistance rating tan nayarin usaren labat ed leksab na 180°C. No onlampas ed sayan temperatura, say materyal ya pangiseal et ontatken. No isipen so andukey ya pangusar, ag-itan nausar ed tagey na 120°C.
Say pakayari ton manregula et mas abeba nen say globe valve, lalo la ray pneumatic valve (odino electric valves).
Globe Valve: Saya so manutukoy ed sakey a balbula ya say pansara na elemento (valve disc) et onkukurang ed sentro na yurongan. Say pandurumaan na abut na yurongan et direktan mipara ed biahe na valve disc. Lapud antikey so panlukas tan pansara na sayan klase na balbula tan say napanmatalkan ya panagsara to, ontan met ed proporsyonal a siglaotan na pandurumaan na seat orifice tan say biahe na valve disc, saya so matukoy a tuloy parad regulasyon na agos. Kanian, sayan klase na balbula et kaslakan ya uusaren parad panagsara, panagregula, tan panag-throttle.
Bentaha:
Legan na proseso na panlukas tan pansara, say puersa na friction ed baetan na valve disc tan say sealing surface na valve body et mas melag nen say gate valve, kanian mas ag-onkupas.
Say katagey na lukas et kaslakan ya 1/4 labat na seat channel, kanian mas melag itan nen say gate valve.
Kaslakan et saksakey labat so sealing surface ed valve body tan say valve disc, kanian mas mainomay ya gawaen tan apigeren.
Mas atagey so temperature resistance rating to lapud say packing to et kaslakan ya nanlaok ya asbestos tan graphite. Saray globe valve et kaslakan ya uusaren parad saray steam valve.
Disbentaha:
Lapud panguman na direksion na agos na medium ed balbula, say sankaabebaan ya resistensya na agos na globe valve et mas atagey nen say maslak ya arum ya klase na balbula.
Lapud mas andukey so stroke, mas matantan so peles na panlukas no ikompara ed ball valve.
Plug Valve: Say tutukoyen to et sakey a rotary valve ya walay closure element ya singa silindro odino cone plug. Say valve plug ed plug valve et ipawil na 90 degrees pian ikonekta o ibiig so dalanan ed laman na balbula, pian nalukasan o nasara so balbula. Say kurti na valve plug et nayarin cylindrical odino conical. Say prinsipyo to et mipara ed ball valve, ya ginawa base ed plug valve tan manunan uusaren ed panag-exploit na oilfield tan ontan met ed industriya na petrochemical.
Safety Valve: Manseserbi itan ya kagawaan ya proteksion ed saray pressured vessels, kagawaan, odino tubo. No say presyon ed loob na kagawaan, banga, odino tubo et onlampas ed naabuloyan a balor, say balbula so automatikon nalukasan pian nibulos so interon kapasidad, ya ag la ondarakel so presyon. No onleksab so pressure ed samay nibaga ya balor, say balbula et nepeg ya automatikon mansara pian naprotektaan so maligen ya operasyon na kagawaan, banga, odino tubo.
Steam Trap: Diad pangiyakar na singaw, compressed air, tan arum niran media, napormay condensate water. Pian naseguro so inkaepektibo tan ligtas ya operasyon na kagawaan, kaukolan ya i-discharge ed dugan panaon irayan andi-kakanaan tan makaderal iran media pian napansiansia so konsumo tan pangusar na kagawaan. Wala ray onggendan ya gagala to: (1) Nayarin maples ton ipaway so condensate water ya napapawala. (2) Saya so mangaamper ed itatagey na singaw. (3) Ekalen to.
Pressure Reducing Valve: Saya so balbula ya mamapaabeba ed inlet pressure ed labay ya outlet pressure panamegley na adjustment tan mandedependi ed enerhiya na mismon medium pian automatikon napansiansia so stable ya outlet pressure.
Check Valve: Kabat met ya non-return valve, backflow preventer, back pressure valve, odino one-way valve. Sarayan balbula et automatikon nalukasan tan nasara lapud puersa ya napapawala na iyaagus na medium ed tubo, kanian sakey iran klase na automatikon balbula. Saray check valve et uusaren ed saray sistema na tubo tan say manunan kimey da et say pangisebel ed medium backflow, pangisebel ed panagbaliktad na saray bomba tan saray motor ya manmamaneho, tan pangibulos na container media. Saray check valve et nayarin usaren met ed saray tubo ya mangisusuplay na saray auxiliary system ya nayarin ontagey so pressure nen say pressure na sistema. Nayarin i-categorize iratan ed rotary type (manpapalikdo base ed sentro na grabidad) tan lift type (onkikiwas ed axis).
Oras na pangi-post: Hunyo-03-2023
