Saray globe valve, gate valve, butterfly valve, check valve tan ball valve et amin et nakaukolan iran kabiangan na kontrol ed nanduruman sistema na tubo natan. Kada balbula et nanduruma so itsura, istruktura tan anggan say usar to. Balet, say globe valve tan say gate valve et walaan na pigaran pamparehoan ed itsura, tan diad parehon panaon et walaan na function na truncation ed pipeline, kanian dakel so kakaaro ya ag tanton makapitongtong ed valve pian nagulo irayan dua. Diad tua, no nengnengen mon maong, baleg ni so pandumaan na globe valve tan gate valve.
- Istruktura
No limitado so espasyo parad pangipaalagey, kaukolan ya imanoen so pampili na:
Say gate valve et nayarin malet ya isara ed sealing surface diad panmatalek ed medium pressure, pian naabot so epekto na anggapoy leakage. No manlukas tan mansara, say valve spool tan say valve seat sealing surface et lanang ya mankakasakey tan manpapaspas ed balang sakey, kanian say sealing surface et mainomay ya isulong, tan no asingger lan mansara so gate valve, baleg so pandumaan na presyon ed baetan na arap tan beneg na pipeline, kanian mas grabe so sealing surface ya isulong.
Say istruktura na gate valve et mas komplikado nen say globe valve, manlapud itsura, no parehoy kalibre, say gate valve et mas atagey nen say globe valve, tan say globe valve et mas andukey nen say gate valve. Niarum ni, say gate valve et naapag ed bright rod tan dark rod. Say globe valve et aliwan ontan.
- Kimey
No lukasan tan isara so globe valve, saya et sakey a rising stem type, salanti, say hand wheel et ipapalikdo, tan say hand wheel so manggawa na rotation tan lifting movements a kaiba so valve stem. Say gate valve et mangibalikas ed handwheel, pian say stem et makagawa na lifting movement, tan say posisyon na handwheel a mismo et ag manguman.
Nanduruma so flow rate, ya saray gate valve et kaukolan ya sigpot o sigpot ya isara, bangta saray globe valve et ag kaukolan. Say globe valve et walay espisipikon direksion na inlet tan outlet, tan say gate valve et anggapoy kakaukolanen ton direksion na import tan export.
Niarum ni, say gate valve et sigpot labat ya lukas odino sigpot ya akasara ed duaran estado, say panlukas tan pansara na gate na stroke et baleg a tuloy, say panaon na panlukas tan pansara et andukey. Say valve plate movement stroke na globe valve et mas melag, tan say valve plate na globe valve et nayarin ontunda ed sakey a pasen ya onkikiwas parad pangi-adjust na agos. Say gate valve et nayarin usaren labat parad panagputot tan anggapoy arum ya gagala to.
- Say agawaan
Say globe valve et nayarin usaren parad truncation tan flow regulation. Say fluid resistance na globe valve et medyo baleg, tan mas mairap ya lukasan tan isara, balet lapud antikey so valve plate manlapud sealing surface, antikey so opening tan closing stroke.
Lapud say gate valve et nayarin sigpot ya nalukasan tan sigpot ya nasara, no sigpot lan nalukasan, say resistensya na medium flow ed valve body channel et ngalngalin 0, kanian say pangilukas tan pangisara na gate valve et makatipid na trabaho, balet say gate plate et arawi ed sealing surface, tan say panlukas tan pansara et andukey.
- Say pangipuesto tan say direksion na agos
Pareho so epekto na gate valve ya onaagus ed duaran direksion, tan anggapoy kaukolan ya direksion na inlet tan outlet na instalasyon, tan say medium et nayarin onagus ed duaran direksion. Say globe valve et kaukolan ya i-install ya unong ed direksion na valve body arrow identification, tan walay malinew ya probisyon ed direksion na import tan export na globe valve, tan say direksion na iyaagus na globe valve ya “three to” diad China et manlapud tagey ya anggad leksab.
Say globe valve et abeba tan atagey, tan manlapud paway et wala ray mapatnag ya tubo ya ag-aka-phase level. Say gate valve runner et walad pabitay ya linya. Say stroke na gate valve et mas baleg nen say globe valve.
Diad panmoria na flow resistance, say flow resistance na gate valve et melag no sigpot ya lukas, tan say flow resistance na load stop valve et baleg. Say flow resistance coefficient na ordinaryon gate valve et manga 0.08~0.12, say puersa na panlukas tan pansara et melag, tan say medium et nayarin onagus ed duaran direksion. Say flow resistance na ordinaryon shut-off valves et 3-5 beses ya mas dakel nen say gate valves. No manlukas tan mansara, kaukolan ya piliten so pansara pian naabot so seal, say valve spool na globe valve et makapitongtong labat ed tapew na seal no sigpot lan akasara, kanian melag labat so pakasulong na sealing surface, lapud say iyaagus na manunan puersa et kaukolan ya idagdag so actuator na globe valve ya kaukolan ya imanoen so torque adjust mechanism.
Say globe valve et walaan na duaran paraan na pangi-install, sakey et say medium et nayarin onloob manlapud leksab na valve spool, say bentaha to et no say balbula et akasara, say packing et ag-onkulang ed pressure, say service life na packing et nayarin naparukey, tan say kimey ya pangisaliwan ed packing et nayarin gawaen ed silong na pressure diad pipeline ya walad arap na valve; say disbentaha et baleg so driving torque na valve, ya manga 1 beses nen say upper flow, tan baleg so axial force na valve stem, tan mainomay ya na-bend so valve stem.
Kanian, sayan paraan et kaslakan ya matukoy labat parad saray globe valve ya melag so diametro da (DN50 o mas abeba), tan saray globe valve ya walad tagey na DN200 et pinili parad paraan na media ya onaagus manlapud tagey. (Say electric shut-off valves et kaslakan ya manguusar na medium pian makaloob manlapud tagey.) Say disbentaha na paraan na iloob na media manlapud tagey et eksakton kabaliktaran na paraan na iloob to ed leksab.
- Panselyado
Say sealing surface na globe valve et melag ya trapezoidal ya gilig na valve core (nengnengen so kurti na valve core), no napelag so valve core, mipara itan ed pansara na balbula (no baleg so pandumaan na presyon, siempre, aliwan estrikto so pangisara, balet aliwan mauges so reverse effect), say gate valve et akasara ed gilig na plate valve say epekto na panag-seal et aliwan singa say globe valve, tan say valve core et ag-onkapuy a singa say globe valve.
Oras na pangi-post: Apr-01-2022
