
Valve internals na-ezo aka na ihe ndị dị mkpa dị n'ime ahụ valvụ na-achịkwa ọsọ, ntụzịaka, na nrụgide nke mmiri (mmiri ma ọ bụ gas). Ọ bụ ezie na ahụ valvụ ahụ nwere nrụgide ahụ, ọ bụ ndị na-arụ ọrụ na-arụ ọrụ dị mkpa nke ịkachi, gbanwee, na mechie mmiri ahụ. Ọrụ ha na ịdịte aka ha bụ ihe kachasị mkpa maka ntụkwasị obi nke sistem niile.
A na-emepụta ihe ndị a dị ka akụkụ ndị nwere ike dochie anya, na-enye ohere maka ịrụzi na ịrụzi na-enweghị dochie valvụ dum.
Ihe ndị a kapịrị ọnụ na-adịgasị iche site n'ụdị valvụ (dịka, globe, ọnụ ụzọ ámá, bọọlụ, nlele), mana isi internals na-agụnyekarị:
Kpaa: Nke a bụ mkpokọta mkpokọta nke akụrụngwa nke na-abanye na kọntaktị na mmiri na-asọpụta ma na-achịkwa ya. ce nke na-eme akara na onye otu mmechi (dịka, plọg, bọọlụ, ọnụ ụzọ ámá). Ọ dị mkpa iji nweta ihe mgbochi siri ike.
"Trim" na-agụnyekarị:
Oche: Onye otu surfaClosure (Disc, Plug, Ball, Gate): Akụkụ a na-ebugharị nke na-aga megide ma ọ bụ pụọ na oche iji kwụsị ma ọ bụ kwe ka ọ na-asọ.
Stem: Ogwe nke na-ejikọ onye na-eme ihe (ụtụ aka aka ma ọ bụ sistemụ akpaaka) na onye mmechi, na-ebunye ike imeghe ma ọ bụ mechie valvụ ahụ.
Ụlọ: Akụkụ nke gbara onye mmechi ahụ gburugburu na ụfọdụ valves njikwa. Ọ na-eduzi plọg ahụ, na-enye nkwụsi ike, na ọdụ ụgbọ mmiri ya ma ọ bụ oghere na-enyere aka ịchịkwa àgwà ịgbasa ma belata cavitation na mkpọtụ.
Akara & Gasket: Ndị a na-agụnye O-mgbanaka, ngwugwu gland, na gaskets na-egbochi ntanye n'akụkụ azuokokoosisi (nchịkọta azuokokoosisi) na n'etiti ahụ valve na bonnet.
Valve internals na-arụ ọrụ na gburugburu ebe na-achọsi ike, na-eche ihu:
Mgbaze: Ihe na-akpata site na oke ọsọ ọsọ ma ọ bụ mmiri na-eju uru.
Corrosion: Site na mgbasa ozi kemịkalụ ike ike.
Cavitation: Nhazi na ọdịda nke uzuoku egosipụta, na-eme ka olulu elu.
Nrụgide dị elu/okpomọkụ: Na-eduga n'ịkụnye (eyi akwa nrapado) na nrụrụ.
Iji luso okwu ndị a ọgụ, a na-ejikarị ma ọ bụ na-echebe valve internals site na ihe ndị dị elu, yana tungsten carbide bụ nhọrọ kachasị elu maka ọrụ kachasị njọ.
Tebụlụ na-esonụ na-achịkọta valvụ internals nkịtị, ihe ịma aka ha na ihe ngwọta ihe onwunwe:
| Akụkụ | Ọrụ | Usoro eji eyi akwa | Ngwọta ihe a na-ahụkarị |
| oche | Na-enye elu akara maka nkwụsị. | Mgbochi, cavitation, nhụsianya, corrosion. | Tungsten Carbide, Stellite (Cobalt-Chrome), 316SS, Alloy 6, Ceramics. |
| Onye mmechi (Nkwụnye/Disk) | Na-akpali imeghe/ mechie ụzọ eruba. | Mgbochi, cavitation, nhụsianya, corrosion. | Tungsten Carbide, Stelite, 316SS, Steels siri ike. |
| Isi | Na-ebufe mmegharị site na actuator gaa na onye mmechi. | Abrasion, Ike ọgwụgwụ, Corrosion. | 17-4PH igwe anaghị agba nchara, Nitrided Steels, corrosion-eguzogide Alloys. |
| Ụlọ | Na-eduzi plọg ma na-achịkwa njirimara mgbaba. | Mgbochi siri ike, cavitation, mkpọtụ/majijiji. | Tungsten Carbide, Stelite, 316SS, Duplex igwe anaghị agba nchara. |
| Akara & Gasket | Na-egbochi ntapu nke mpụga na nke ime. | Extrusion, kemịkalụ mmebi, okpomọkụ ịka nká. | PTFE (Teflon), Grafoil, Elastomers (Viton, EPDM). |
N'ime ngwa dị oke egwu achọtara na mmanụ & gas, nrụpụta ike, na ụlọ ọrụ nhazi kemịkalụ, tungsten carbide A kọwapụtara maka ihe ndị mejupụtara trim n'ihi ya:
Ọpụrụiche Mgbochi Mgbochi: Iguzogide ájá na ihe ndị ọzọ siri ike na iyi mmiri.
Nguzogide cavitation pụtara ìhè: Isi ike ya na-egbochi mfu ihe onwunwe site n'ịkwapụta uzuoku egosipụta.
Ike Mgbakọ dị elu: Iji guzogide nrụrụ n'okpuru nrụgide dị elu.
Ezigbo Nguzogide Galling: Mgbe ejikọtara ya na ihe dakọtara, ọ na-ebelata ohere nke ijide.
Na nchịkọta, Valve Internals bụ obi nke valvụ. Nhọrọ ha, karịsịa nhọrọ nke ihe ndị na-eguzogide iyi dị ka tungsten carbide maka akụkụ mkpụbelata, bụ mkpebi injinia dị oke egwu nke na-ekpebi kpọmkwem arụmọrụ valvụ, ndụ ọrụ, yana nchekwa sistemu zuru oke na ọnọdụ ọrụ siri ike.