N'ime pipeline ụlọ ọrụ na sistemụ njikwa mmiri,valvụ aka wheelbụ ihe ndị bụ isi maka ọrụ aka, na imewe ha na-emetụta arụmọrụ arụ ọrụ, nchekwa na ndụ akụrụngwa. Site na valvụ uzuoku okpomọkụ dị elu{1} na ụlọ ọrụ ọkụ ọkụ ruo corrosion - valvụ urukurubụba na-eguzogide ọgwụ n'ụlọ ọrụ nsị mmiri, ụdị aka ụkwụ dị iche iche na-ezute ọnọdụ ọrụ dị iche iche site na nhọrọ ihe, nhazi nhazi, na njikarịcha arụ ọrụ. Isiokwu a ga-enyocha isi nkewa nke valve handwheels site na akụkụ nke njirimara ihe onwunwe, ụdị nhazi, ọnọdụ ngwa, na ọrụ pụrụ iche, ma jikọta ụkpụrụ ụlọ ọrụ na data a tụrụ atụ iji kpughee mgbagha ya na ụlọ ọrụ ọgbara ọhụrụ.
Tebulu ọdịnaya
1. Nhazi ihe: Asọmpi arụmọrụ n'etiti igwe na ndị na-abụghị-ọla
2. Nhazi nhazi: Evolushọn si na isi okwu na ntinye ọgụgụ isi
3. Ngwa ndapụta: Ngwọta mgbanwe maka ụlọ ọrụ mmepụta ihe, obodo na gburugburu pụrụ iche
4. Ụdị ọrụ pụrụ iche: Ọganihu nka na ụzụ na onwe-kpọchi, kpo oku na mgbanwe ọsọ ọsọ
5. Nhọrọ na mmezi: ụkpụrụ dakọtara na ọnọdụ ọrụ yana njikwa okirikiri zuru oke{1}
6. Teknụzụ Frontier: Fusion ọhụrụ nke mbipụta 3D na nghọta nwere ọgụgụ isi
7. Nchịkọta: nkà ihe ọmụma mgbanwe mmepụta ihe nke obere ihe,
I. Nhazi ihe: Asọmpi arụmọrụ n'etiti igwe na ndị na-abụghị -ọla
1. Igwe aka igwe
(1) Ihe nkedo aka wheel (HT200/HT250)
Njirimara anụ ahụ: ike ike Brinell 170-240HB, ike ike 200-250MPa, oke nguzogide okpomọkụ -20 ogo ~ 300 ogo.
Uru: Ọnụ ego dị ala (ihe dị ka 1/3 nke igwe anaghị agba nchara), ịrụ ọrụ nkedo dị mma, dabara adaba maka ọnọdụ ụlọ ọrụ nkịtị (dị ka ọkọnọ mmiri na pipeline drainage, obere- sistemu uzuoku nrụgide).
Oke: mfe nchara (ọnụego corrosion na nnu ịgba gburugburu 0.05mm / afọ), adịghị adabara acid na alkali media.
Ngwa ikpe: Ọnụ ụzọ valvụ valvụ nke ebe a na-ahụ maka mmiri na-ekpofu mmiri bụ nke ígwè nkedo HT250, yana mkpuchi epoxy resin (ọkpụrụkpụ 100μm) n'elu, a na-agbatị ndụ ọrụ site na afọ 2 ruo afọ 5.
(2) wheel aka igwe anaghị agba nchara(304/316L)
Ihe dị iche: 304 na-eguzogide ọgwụ corrosion nkịtị (chloride ion Ihe na-erughị ma ọ bụ hà 200ppm), 316L nwere molybdenum (2-3%) na nguzogide ya na corrosion ion chloride na-abawanye ugboro 3 (nwere ike iguzogide 1000ppm chloride ion).
Arụmọrụ data: njupụta 7.93g/cm³, ike ike Karịrị ma ọ bụ hà 205MPa, nwere ike na-arụ ọrụ kwụsie ike na nso nke -196 ogo ~ 600 ogo.
Ngwa a na-ahụkarị: hydrochloric acid pipeline valve (316L handwheel) na ụlọ ọrụ kemịkalụ, nhụsianya elu Ra Ihe na-erughị ma ọ bụ ha nhata 1.6μm, na-ebelata corrosion nke ihe fọdụrụ na-akpata.
(3) Aluminom alloy wheel wheel (ADC12/6061-T6)
Uru dị fechaa: njupụta 2.7g/cm³, 60% dị ọkụ karịa ígwè nkedo, dabara maka elu{2}} elu ma ọ bụ ọnọdụ ọrụ ugboro ugboro (dị ka valves ụgbọ mmiri).
Ọgwụgwọ dị n'elu: Anodizing (oke ihe nkiri 15μm) nwere ike iguzogide ịgba nnu maka awa 500, ka mma karịa awa 100 a na-agwọghị.
Oke: Ike siri ike (HB60-90), adabaghị maka ọnọdụ ibu dị arọ (a na-atụ aro ka a na-eji igwe eji eme ihe mgbe ọ bụla torque> 50N・m).
2. Ụkwụ aka igwe anaghị agba nchara{{1}
(1) Injinia plastic handwheel (ABS/PC/PA66)
Ntụnyere njirimara:
| Ihe onwunwe | Ike tensile (MPa) | Oke okpomọkụ (ogo) | Nguzogide kemịkalụ | Ngwa a na-ahụkarị |
|---|---|---|---|---|
| ABS | 40-50 | -20~70 | Mmiri na-eguzogide{0}, acid adịghị ike{1} | valvụ mmiri na-asachapụ ụlọ |
| PC | 60-70 | -40~130 | Mmanụ - na-eguzogide, UV{1} na-eguzogide | Nri{0}}ọla pipeline valves |
| PA66 | 80-100 | -40~150 | Yiri{0}} na-eguzogide, obere -okpomọkụ{2}} na-eguzogide | Ụlọ ọrụ akpaaka valves |
Uru: Ezigbo mkpuchi (olu resistivity> 10 ^ 15Ω・cm), enweghị mmiri ozuzo metal, ma na-ezute ụkpụrụ kọntaktị nri FDA (dị ka PA66 handwheels maka mmiri ara ehi pipeline).
(2) Glass eriri mesiri ike plastic handwheel (FRP)
Nhazi ihe mejupụtara: iko fiber mesikwuru polyester resin, ike tensile Karịrị ma ọ bụ nhata 300MPa, ike na-ehulata ka ukwuu ma ọ bụ nhata 400MPa, ezigbo acid na alkali nguzogide (mgbanwe ibu).<0.1% after immersion in 5% sulfuric acid for 30 days).
Ọnọdụ ngwa: Sodium hypochlorite na-ejuputa valvụ na ụlọ ọrụ na-ahụ maka nsị mmiri, mgbe dochie igwe igwe anaghị agba nchara, ihe egwu nke ọdịda corrosion na-ebelata site na 90%.
II. Nhazi nhazi: Evolushọn site na isi okwu ọnụ ruo na ntinye ọgụgụ isi
1. Nhazi nhazi nhazi
(1) wiil ekwu okwu
Ụkpụrụ imewe: 3-8 spokes na-ejikọta oghere na rim, na-ebelata ibu (20% dị mfe karịa ụdị efere okwu) na ịkwalite ikpo ọkụ ọkụ (mpaghara elu na-abawanye site na 30%).
Ọdabara ndapụta: Valves na-achọ ngwa ngwa ọrụ (dị ka valvụ nkwụsị), rim dayameta na-abụkarị 100-300mm, na torque nnyefe arụmọrụ bụ ukwuu karịa ma ọ bụ hà 95% (ASME B16.34 ọkọlọtọ).
Ikpe njikarịcha: Otu ụdị akara aka valvụ valvụ ọnụ ụzọ ámá na-anakwere atụmatụ okwu 6, na rim elu na-agbaji (ihe omimi nke ụkpụrụ ahụ bụ 0.5mm), nke na-abawanye esemokwu ahụ site na 40%, ọ naghị amị amị mgbe ejiri mmiri mmiri rụọ ya.
(2) Mpempe aka igwe na-ekwu okwu (ihe siri ike)
Structural features: The solid spoke plate connects the hub and the rim, with high strength (30% stronger deformation resistance than the spoke type), suitable for heavy-duty conditions (torque>100N・m).
Ngwa a na-ahụkarị: Elu{0}okpomọkụ na elu- valves ọnụ ụzọ nrụgide n'ime ụlọ ọrụ ọkụ ọkụ (nrụgide ọrụ 10MPa, okpomọkụ 540 degrees), ọkpụrụkpụ efere nke handwheel kwuru bụ 15mm, ma nwalere ya site na nchọpụta ntụpọ ultrasonic (ọnụego adịghị mma).<0.5%).
(3) Mpịakọta wheel
Uru oghere: Enwere ike mpịakọta ọnụ ọnụ (a na-ebelata ọkpụrụkpụ ya site na 60% mgbe mpịaji gachara), dabara maka oghere dị warara (dị ka ụlọ ụgbọ mmiri na ogwe ọkpọkọ n'elu{1}} ụlọ elu).
Mechanical imewe: Mkpọchi eriri mmiri mmiri (ike mmeghe 5-8N), ndụ mpịachi Karịrị ma ọ bụ nhata ugboro 10,000 (GB/T 12220 ọkọlọtọ ngwaọrụ valvụ mbanye).
2. Ọdịdị nkwalite arụ ọrụ
(1) Ụkwụ aka nwere ntụ ntụ/ọnụọgụ
Njikwa ziri ezi: A na-eji mkpịsị aka ntụaka (nkenke ± 1 ogo) n'oge chọrọ ngbanwe ziri ezi (dị ka valvụ na-achịkwa), yana oghere ahịrị ọnụ ọgụgụ nke ogo 5 na ngwaọrụ oke (njehie strok Na-erughị ma ọ bụ hà nhata 2%).
Ngwa ikpe: The metering valve handwheel nke ụlọ ọrụ na-emepụta ọgwụ, ọnụ ọgụgụ ahụ bụ nke ihe fluorescent (excitation wavelength 450nm), bụ nke a na-ahụ anya na gburugburu ebe dị nro, na njehie nchịkwa usoro bụ<0.5%.
(2) Ụkwụ aka na ibu
Nhazi mbelata esemokwu: Igwe wheel nwere ihe arụrụ - n'ime nnukwu bọọlụ dị omimi (dị ka ụdị 6203), na ntụgharị ntụgharị na-ebelata site na 30% (site na 15N·m ruo 10.5N·m), nke dabara maka ịrụ ọrụ ugboro ugboro (dị ka ịgbanwee ihe karịrị ugboro 50 n'ụbọchị).
Ebe nlekọta: Ekwesịrị ka a na-ete ya mmanụ mgbe niile (jupụta na lithium {{0} griiz griiz kwa ọnwa 6, yana ntinye agịga nke 265-295) iji gbochie ịrapara (mkpụrụ mmiri na-abawanye site na 50% mgbe araparachara ya).
III. Ngwa ndapụta: Ngwọta mgbanwe maka ụlọ ọrụ mmepụta ihe, obodo na gburugburu pụrụ iche
1. Ọkpụkpụ aka maka ụlọ ọrụ mmepụta ihe
(1) Okpomọkụ dị elu{1} na elu - wheel wheel (ihe nkedo ígwè/nchara awara awara)
Nka na ụzụ paramita: Zute ASME B16.5 Klas 300 ọkọlọtọ, nrụgide nrụgide nke 10MPa, okpomọkụ na-eguzogide 550 degrees, elu aluminizing ọgwụgwọ (oxidation resistance mụbara site 2 ugboro).
Ngwa a na-ahụkarị: A na-ejikọta valvụ isi uzuoku dị na coal{0}} ụlọ ọrụ ọkụ ọkụ, handwheel hub na valvụ stem site na involute splines (nkwekọrịta na-anabata H7/g6), na ikike ebufetara karịrị 200N・m.
(2) Mgbawa - ihe akaebe wheel wheel (aluminom alloy + conductive mkpuchi)
Mgbawa -ụkpụrụ mgbawa: A na-ekpuchi elu ya na agba carbon na-eduzi (resistivity<10Ω・cm) to prevent static electricity accumulation (charge leakage time <0.1 second), which complies with ATEX II 2G Ex db IIC T4 standard.
Applicable environment: Inflammable and explosive occasions in petrochemical industry (such as methane concentration >1.5%), a na-agbachi akụkụ ọnụ nke wheel wheel (R Karịrị ma ọ bụ ha nhata 3mm) iji zere esemokwu.
2. Ọkpụkpụ aka maka ọnọdụ obodo
(1) Wheel valvụ ụlọ (plastic/zinc alloy)
Ergonomics: rim dayameta 60-100mm, mkpuchi roba elu (Ike siri ike 60A), ike na-arụ ọrụ na-erughị ma ọ bụ hà 15N, kwesịrị ekwesị maka ndị agadi na ụmụaka.
Nhazi ọkọlọtọ: Na-agbaso ụkpụrụ valvụ ezinụlọ GB/T 17241.6, dabara adaba maka valvụ bọọlụ bụ isi na valvụ nkwụsị (eriri interface G1 / 2 "~ G2").
(2) wheel handwheel ime ụlọ ịwụ (ọla kọpa alloy + chrome plating)
Ngwọta dị n'elu: chrome plating ọkpụrụkpụ 8{4}}12μm, nnwale ịgba nnu karịrị awa 200 (GB/T 9286 adhesion level 0), ọgwụgwọ mkpịsị aka mkpịsị aka (akuku kọntaktị ＞110 degrees ).
Nhazi zuru oke: ihe mgbochi - ka a kanyere slip grooves na wheel rim (spacing 2mm), na ike maka ịrụ ọrụ mmiri mmiri kwụsiri ike na 8-10N・m iji zere mmiri na-efunahụ site na mwụda.
3. Pụrụ iche gburugburu ebe obibi wheelwheel
(1) Igwe igwe anaghị agba nchara (igwe anaghị agba nchara + polytetrafluoroethylene)
Obere okpomọkụ na-eguzogide: 304L igwe anaghị agba nchara (-196 ogo mmetụta siri ike Ukwuu karịa ma ọ bụ hà 27J), PTFE gasket (esemokwu ọnụ ọnụ 0.05) jupụtara na njikọ n'etiti wheel hub na valvụ azuokokoosisi iji gbochie ala okpomọkụ jamming (n'ezie nha nke ụfọdụ LNG oru ngo: ntụgharị torque Na-erughị ma ọ bụ hà ogo 12 na -12m).
(2) wheel handwheel mmiri n'okpuru mmiri (titanium alloy/glass fiber mesiri plastic)
Mpaghara mmiri: Titanium alloy handwheel (TC4 material) na-eguzogide corrosion nke mmiri mmiri (ọnụego corrosion kwa afọ 0.001mm), n'elu anodized (ihe nkiri ọkpụrụkpụ 25μm), adabara miri - valvụ oké osimiri (mmiri omimi> 1000m).
Ọrụ imewe: Ịnabata ihe owuwu ogologo ogologo (ogologo ogologo 200mm), jikọtara ya na ngwá ọrụ pụrụ iche maka ndị dị iche iche (ngwa ngwa ịgbasa ọkụ, ugboro 5), ike ịrụ ọrụ n'okpuru mmiri na-erughị ma ọ bụ hà 50N.
IV. Ụdị ọrụ pụrụ iche: ọganiihu nkà na ụzụ n'ime onwe-kpọchi, kpo oku na mgbanwe ọsọ
1. Onwe{1}ụkwụ aka na-akpọchi
Usoro mkpọchi:
Mechanical mkpọchi: site kenha nke n'ọnọdu pin na nha nha nha (eze pitch 5 degrees), kpochidoro ike Karịrị ma ọ bụ hà 20N, iji gbochie misoperation mere site vibration (dị ka compressor outlet valve, a pụrụ ịdabere na kpochidoro na vibration ugboro 50Hz).
Mkpọchi eletrọnịkị: ejiri ya na ndapụta akpaaka ụlọ ọrụ, akpọchiri mgbe agbanyere eriri elektrọn ike (oge nzaghachi<0.2 seconds), released when power is off, in line with ISO 13849 safety level PLd.
Ngwa ikpe: Safety valvụ ikewapụ ike nuklia, handwheel na-onwem nwere okpukpu abụọ akpọchi ngwaọrụ (mechanical + electromagnetic), na ihe gbasara nke puru omume nke misoperation bụ ihe na-erughị 10^-6 ugboro / afọ.
2. Igwe aka na-ekpo ọkụ
Nhazi mgbochi friza:
Ihe nkiri kpo oku eletriki: nickel{0}}chromium alloy kpo oku waya (ike 50-100W) ka etinyere n'ime efere a na-ekwu okwu, a na-edozikwa thermostat ka ọ dị ogo 5 ka ịmalite igbochi icing dị ala (dị ka valvụ dị n'èzí na mpaghara ugwu, a na-edobe elu handwheel n'elu 0 degrees mgbe ogo okpomọkụ dị -3).
Ọdịdị ọkụ na-ekpo ọkụ: A na-eji ọla kọpa aluminom (ZCuAl10Fe3) mee oghere wiil ahụ, na-enwe mmetụta okpomọkụ nke 75W / (m・K). A na-ekesa ọkụ na-ekpo ọkụ na rim, na ọkụ ọkụ na-abawanye site na 40% ma e jiri ya tụnyere ígwè nkedo.
3. Ọkpụkpụ aka nwere nnyefe
Ụkpụrụ mgbanwe ọsọ ọsọ:
Mgbanwe ọsọ ngwa ngwa: wuru -na mbụ- ihe nbelata gia ogbo (ratibe mbelata 2:1~5:1), nke na-eme ka ike ọrụ dị elu (dị ka ntinye ntinye 20N・m, mpụta nwere ike iru 100N・m), dabara maka nnukwu -dayameta valves (DN Greater than or 3mm).
Gear worm: arụmọrụ mbufe 85%, yana ọrụ mwepu nke onwe{1} (iji gbochie nrụgide ọkara ka ọ ghara ịkwanye azụ ụkwụ aka), kwekọrọ n'ụkpụrụ nnyefe gia JB/T 8853.
Data arụmọrụ: DN500 nru ububa valve handwheel na-anabata usoro mgbanwe ọsọ ọsọ 3: 1, a na-ebelata ike ọrụ site na 150N ruo 50N, na oge mgbanwe na-ebelata site na 25%.
V. Nhọrọ na mmezi: ụkpụrụ kwekọrọ na ọnọdụ ọrụ na njikwa okirikiri zuru oke
1. Ihe atọ nke nhọrọ
(1) Oke ọnọdụ ọrụ:
Pressure/temperature: For high pressure>10MPa, họrọ ihie igwe handwheel nchara, yana maka obere okpomọkụ<-100℃, use titanium alloy.
Àgwà ndị dị n'ọkara: Maka onye na-ahụ maka acid na alkali, họrọ fiberglass/316L, na maka ọkwa nri, họrọ PA66/chrome -ọla kọpa kpụrụ akpụ.
(2) Ọrụ chọrọ:
Ugboro: Maka ịrụ ọrụ ugboro ugboro, họrọ wheel handwheel na-ebu (iji belata iyi), na maka obere oge, họrọ ụdị okwu (ọnụahịa dị ala).
Oghere: A na-eji ụdị mpịachi eme ihe na oghere ndị dị warara (opekata mpe nrụnye bụ 150mm), a na-ahọrọkwa wiilịlụ aka nwere mkpuchi anwụ maka gburugburu n'èzí.
(3) Ọkọlọtọ nnabata:
Ọnọdụ ụlọ ọrụ na-eso ASME B16.34 na GB/T 12220, yana ojiji obodo na-akwado GB/T 17241.6 na asambodo CE.
2. Ihe ndozi
Nyocha kwa ụbọchị:
Nlele anya kwa izu: corrosion elu (mpaghara ntụpọ nchara> 5% kwesịrị ka a gwọọ ya), bolts na-adịghị mma (attenuation torque> 20% kwesịrị ka emegharịa{2}}).
Nnwale na-arụ ọrụ kwa ọnwa: ntụgharị ntụgharị (a na-achọ mmanye mgbe ọ na-abawanye site na 30% ma e jiri ya tụnyere wiil ọhụrụ), ịdị irè nke mkpọchi mkpuchi (oge nkwụsị nkwụsị> 1 oge / ọnwa chọrọ nlekọta).
okirikiri mmanu mmanu:
Ọkpụkpụ aka igwe: Tinye molybdenum disulfide griiz (ntinye agịga 220-250) kwa nkeji iri na ise, ma tinye ihe na-egbochi njide (dị ka Loctite 8008) n'ebe a na-akpakọrịta n'etiti hub na valvụ ahụ.
Igwe aka plastik: Zere iji ihe na-eme silicone (nke nwere ike ime ka mgbakasị ahụ mgbakasị ahụ), ma jiri mmiri fesa molybdenum disulfide kpọrọ nkụ (ihe fọdụrụ.<0.1g).
VI. Teknụzụ Frontier: Nrụpụta ihe ọhụrụ nke mbipụta 3D na ọgụgụ isi
1. 3D Ụkwụ aka ebipụtara
Uru Nhazi:
Topology Optimization: Wepu ihe ndị na-adịghị -ibu- (mbelata ịdị arọ 40%), dị ka wheel valvụ ike nuklia site na mbipụta 3D (teknụzụ SLM), ike na-abawanye site na 20% ma na-ebelata ibu.
Ngosipụta ngwa ngwa: A na-ebelata obere okirikiri mmepụta ihe site na ụbọchị 7 ruo awa 24, dabara maka valvụ ndị na-abụghị{2} (dị ka wiilị aka ahaziri nke nwere dayameta 250mm na akụkụ kwuru nke ogo 45).
Material Breakthrough: Printed with high-strength aluminum alloy (AlSi10Mg), tensile strength ≥350MPa, after hot isostatic pressing (HIP), density >99.9%.
2. Smart wheel wheel (ya na ihe mmetụta)
Ọrụ nlekota oru:
Torque sensor: real-time monitoring of operating torque (accuracy ±2%), alarm when abnormal fluctuation (>15%) (dị ka ịdọ aka ná ntị jam valvụ).
Ihe ngbanwe ọnọdụ: dekọọ ọnụ ọgụgụ nke switches (mkpebi 1 ogo ), rụkọọ ọrụ na modul Internet nke Ihe (dị ka NB{1}}IoT), nyochaa ọnọdụ nke handwheel (ngwa n'ime ogige kemikal, oge nzaghachi mmejọ na-ebelata site na awa 2 ruo nkeji iri).
Ngwa data: site na nyocha data buru ibu nke ndụ ndụ aka (njehie amụma Ihe na-erughị ma ọ bụ ha nhata 10%), kwalite atụmatụ mmezi (dị ka dochie wheel wheel ndị eyiri izu 2 tupu oge eruo).
Nchịkọta: nkà ihe ọmụma mgbanwe mmepụta ihe nke obere akụkụ
Ihe dị iche iche nke ụdị aka aka valve bụ n'ezie njikọ miri emi nke sayensị ihe onwunwe, nhazi usoro na ọnọdụ ọrụ. Site na ngwa ngwa nke igwe nkedo kwuru handwheels ruo na nka na ụzụ nke 3D e biri ebi smart handwheels, ọ bụla iteration na-egosipụta echiche ụlọ ọrụ nke "kpọmkwem mmegharị". Mgbe ị na-ahọrọ, ọ dị mkpa iji dozie akụrụngwa akụrụngwa, nnabata gburugburu ebe obibi na ịdị mma arụ ọrụ, na nrụzi na-adabere na usoro ahaziri ahazi na nlekota ọkwa ọkwa iji hụ na ọrụ ya a pụrụ ịdabere na ya na ọnọdụ dị oke egwu dị ka nrụgide dị elu, obere okpomọkụ na corrosion. N'ọdịnihu, na mgbasawanye nke smart n'ichepụta na Internet nke teknụzụ, handwheels ga-esi na mfe arụ ọrụ components ka "data nodes" maka akụrụngwa ahụ ike njikwa, na-aga n'ihu na-enyere ndị oru oma na nchekwa ọrụ nke ulo oru usoro.
FAQ
1: Enwere ike iji wheel handwheels na gburugburu ebe siri ike?
A: Ee, enwere ike ịmebe valvụ aka aka iji gbochie gburugburu ebe obibi siri ike site na iji ihe ndị na-eguzogide corrosion, UV na okpomọkụ dị elu.
2: Kedu ka m ga-esi họrọ valvụ aka aka nri maka ngwa m?
A: Ihe ndị a ga-atụle mgbe ị na-ahọrọ valvụ aka aka valvụ gụnyere nha valvụ, gburugburu ebe a na-arụ ọrụ, torque chọrọ na mkpa maka njirimara ndị ọzọ (dị ka usoro mkpọchi ma ọ bụ ihe ngosi ọnọdụ).
3: Gịnị bụ ọrụ nke a valve handwheel mkpọchi usoro?
A: A na-eji usoro mkpọchi aka valvụ iji gbochie ọrụ valvụ na-akwadoghị ma ọ bụ na mberede.
4: Kedu ka m ga-esi na-edobe wheel handwheel m?
A: ihicha mgbe niile na mmanye nke valvụ handwheel nwere ike inye aka hụ na ọ na-arụ ọrụ nke ọma. Ọzọkwa, a ga-edozi ihe ịrịba ama ọ bụla nke eyi ma ọ bụ mmebi ọ bụla ozugbo iji gbochie nsogbu ndị ọzọ.
