Izidingo zobuchwepheshe eziyisishiyagalombili okufanele zaziwe lapho uthenga ama-valve

Ii-valveiyingxenye yokulawula ohlelweni lokulethwa koketshezi, olunemisebenzi efana nokunqanyulwa, ukulungisa, ukuphambukisa ukugeleza, ukuvimbela ukugeleza okuhlehlayo, ukuqiniswa kwengcindezi, ukuphambukisa ukugeleza noma ukukhululeka kwengcindezi yokuchichima. Amavaluvu asetshenziswa ezinhlelweni zokulawula uketshezi asukela kumavalvu alula anqunyiwe kuye kumavalvu ahlukahlukene asetshenziswa ezinhlelweni zokulawula ezizenzakalelayo eziyinkimbinkimbi kakhulu, ezinezinhlobonhlobo zezinhlobonhlobo kanye nokucaciswa. Amavaluvu angasetshenziswa ukulawula ukugeleza kwezinhlobo ezahlukene zoketshezi olunjengomoya, amanzi, isitimu, imidiya eyonakalisayo ehlukahlukene, udaka, uwoyela, insimbi ewuketshezi kanye nemidiya ekhipha imisebe. Amavalvu aphinde ahlukaniswe ama-valve ensimbi, ama-valve ensimbi, ama-valve ensimbi engagqwali, ama-valve ensimbi e-chrome molybdenum, ama-valve ensimbi e-chrome molybdenum vanadium, ama-valve ensimbi ayiduplex, amavalvu epulasitiki, amavalvu enziwe ngokwezifiso angewona ajwayelekile kanye nezinye izinto zokwakha. Yiziphi izidingo zobuchwepheshe okufanele zinakwe lapho uthenga ama-valve

1. Ukucaciswa kwevalvu nezigaba kufanele kuhlangabezane nezidingo zemibhalo yokuklama amapayipi

1.1 Imodeli yevalvu kufanele ikhombise izidingo zezinombolo zezinga likazwelonke. Uma kuyizinga lebhizinisi, incazelo efanele yemodeli kufanele ikhonjiswe.

1.2 Ukucindezela kokusebenza kwe-valve kudinga≥ingcindezi yokusebenza kwepayipi. Ngaphansi kwesisekelo sokungathinti intengo, ingcindezi yokusebenza i-valve engakwazi ukumelana nayo kufanele ibe mkhulu kunokucindezela kwangempela kokusebenza kwepayipi; noma yiluphi uhlangothi lwe-valve kufanele lukwazi ukumelana nezikhathi ezingu-1.1 zokucindezela kokusebenza kwe-valve uma ivalekile inani, ngaphandle kokuvuza; lapho i-valve ivuliwe, umzimba we-valve kufanele ukwazi ukumelana nezidingo zokucindezela okuphindwe kabili kokusebenza kwe-valve.

1.3 Ngamazinga okukhiqiza ama-valve, inombolo esezingeni likazwelonke yesisekelo kufanele ishiwo. Uma kuyindinganiso yebhizinisi, imibhalo yebhizinisi kufanele ifakwe kwinkontileka yokuthenga

2. Khetha impahla ye-valve

2.1 Impahla ye-valve, njengoba amapayipi ensimbi e-grey cast enganconywa kancane kancane, insimbi yomzimba we-valve kufanele ikakhulukazi ibe i-ductile iron, futhi izinga kanye nedatha yangempela yokuhlola ngokomzimba namakhemikhali yokusakazwa kufanele ikhonjiswe.

2.2 Ii-valveI-stem material kufanele yenziwe nge-stainless steel valve stem (2CR13), futhi i-valve enkulu yobubanzi kufanele futhi ibe isiqu se-valve eshunyekwe ensimbi engagqwali.

2.3 Impahla yamantongomane iyithusi eliphonswe nge-aluminium noma ithusi elicijile le-aluminium, futhi ukuqina kwayo namandla kungaphezu kokwesiqu se-valve.

2.4 Impahla ye-valve stem bushing akufanele ibe nobulukhuni namandla amakhulu kunaleyo ye-valve stem, futhi akufanele yakhe ukugqwala kwe-electrochemical nesiqu se-valve nomzimba we-valve ngaphansi kokucwiliswa emanzini.

2.5 Impahla yendawo yokuvala①Kunezinhlobo ezahlukene zeama-valve, izindlela ezahlukene zokuvala kanye nezidingo zezinto ezibonakalayo;②Ama-valve wesango le-wedge evamile, impahla, indlela yokulungisa, nendlela yokugaya yendandatho yethusi kufanele ichazwe;③Amavalvu esango avalwe ngokuthambile, ulwelwesi lwenjoloba lwepuleti le-valve Idatha yokuhlola ngokomzimba, yamakhemikhali kanye nenhlanzeko;④Ama-valve ovemvane kufanele akhombise impahla yendawo yokuvala emzimbeni we-valve kanye nempahla yendawo yokuvala epuleti levemvane; idatha yabo yokuhlola ngokomzimba namakhemikhali, ikakhulukazi izidingo zenhlanzeko, ukusebenza kokulwa nokuguga kanye nokumelana nokugqoka kwerabha; Irabha yamehlo nerabha ye-EPDM, njll., kwenqatshelwe ngokuphelele ukuxuba irabha ebuyisiwe.

2.6 Ukupakishwa kwe-valve shaft①Ngenxa yokuthi ama-valve kunethiwekhi yamapayipi avame ukuvulwa futhi avalwe ngokungavamile, ukupakisha kuyadingeka ukuba kungasebenzi iminyaka eminingana, futhi ukupakisha ngeke kuguge, ukuze kugcinwe umphumela wokuvala isikhathi eside;②Ukupakishwa kwe-valve shaft kufanele futhi imelane nokuvulwa nokuvala njalo, umphumela wokuvala muhle;③Ngokubheka lezi zidingo ezingenhla, ukupakishwa kwe-valve shaft akufanele kushintshwe impilo yonke noma ngaphezulu kweminyaka eyishumi;④Uma ukupakisha kudinga ukushintshwa, umklamo we-valve kufanele ucabangele izinyathelo ezingashintshwa ngaphansi kwesimo sokucindezela kwamanzi.

3. Ibhokisi lokudlulisa isivinini eliguquguqukayo

3.1 Impahla yebhokisi kanye nezidingo zokunqanda ukugqwala zangaphakathi nangaphandle zihambisana nomgomo womzimba we-valve. i

3.2 Ibhokisi kufanele libe nezilinganiso zokuvala, futhi ibhokisi lingakwazi ukumelana nokucwiliswa emanzini angamamitha angu-3 ngemva kokuhlanganiswa. i

3.3 Ngomshini wokulinganisa wokuvula nokuvala ebhokisini, inadi yokulungisa kufanele ibe sebhokisini. i

3.4 Idizayini yesakhiwo sokudlulisa inengqondo. Lapho ivula futhi ivala, ingashayela kuphela i-valve shaft ukuze ijikeleze ngaphandle kokuyibangela ukuba iye phezulu naphansi. i

3.5 Ibhokisi lokudlulisa isivinini esiguquguqukayo kanye nesivalo se-valve shaft akukwazi ukuxhunywa endaweni engavuzi yonke. i

3.6 Ayikho imfucumfucu ebhokisini, futhi izingxenye zokuhlanganisa amagiya kufanele zivikelwe ngamafutha.

4.Ivalvuindlela yokusebenza

4.1 Indlela yokuvula neyokuvala yokusebenza kwevalvu kufanele ivalwe ngokwewashi. i

4.2 Njengoba ama-valve kunethiwekhi yamapayipi evame ukuvulwa futhi avaliwe ngesandla, inani lokuvula nokuvala ukuguqulwa akufanele libe liningi kakhulu, ngisho nama-valve ama-diameter amakhulu kufanele futhi abe phakathi kwama-200-600 revolutions. i

4.3 Ukuze kube lula ukusebenza kokuvula nokuvala ngumuntu oyedwa, i-torque ephezulu yokuvula nokuvala kufanele ibe ngu-240m-m ngaphansi kwengcindezi yomshini osebenza ngamapayipi.

4.4 Ukuphela kokuvula nokuvala kwevalvu kufanele kube ithenin eyisikwele enobukhulu obujwayelekile futhi ibheke phansi ukuze abantu bakwazi ukuyisebenza besuka phansi. Amavalvu anamadiski awafanele amanethiwekhi wamapayipi angaphansi komhlaba. i

4.5 Iphaneli yokubonisa yedigri ye-valve yokuvula nokuvala

①Umugqa wesikali wedigri yokuvula neyokuvala ye-valve kufanele uphonswe kukhava yebhokisi lika-gearbox noma egobolondweni lephaneli yokubonisa ngemva kokushintshwa kokuqondisa, konke kubheke phansi, futhi umugqa wesikali kufanele upendwe ngempushana ye-fluorescent ukukhombisa. ukudonsa amehlo; Esimeni esingcono, ipuleti lensimbi engagqwali lingasetshenziswa, ngaphandle kwalokho lipendiwe ipuleti lensimbi, ungasebenzisi isikhumba se-aluminium ukuze ulenze;③Inaliti yenkomba ibheka amehlo futhi igxilile ngokuqinile, uma ukulungiswa kokuvula nokuvala kunembile, kufanele ivalwe ngama-rivets. i

4.6 Uma ii-valveingcwatshwe ekujuleni, futhi ibanga phakathi kwendlela yokusebenza nephaneli yokubonisa liyi≥15m ukusuka phansi, kufanele kube nendawo yenduku yokunwetshwa, futhi kufanele ilungiswe iqine ukuze abantu babone futhi basebenze besuka phansi. Okusho ukuthi, ukuvulwa nokuvala ukusebenza kwama-valve kunethiwekhi yamapayipi akufanelekile ukusebenza kwe-downhole.

5. Ivalvuukuhlolwa kokusebenza

5.1 Uma ivalvu ikhiqizwa ngamaqoqo emininingwane ethile, inhlangano egunyaziwe kufanele iphathiswe ukwenza lokhu kuhlolwa kokusebenza okulandelayo:①I-torque yokuvula nokuvala ye-valve ngaphansi kwesimo sokucindezela kokusebenza;②Ngaphansi kwesimo sokucindezela kokusebenza, ukuvulwa okuqhubekayo nokuvala izikhathi ezingaqinisekisa ukuthi i-valve ivalwe ngokuqinile;③Ukutholwa kwe-coefficient yokumelana nokugeleza kwe-valve ngaphansi kwesimo sokulethwa kwamanzi wepayipi. i

5.2 Ukuhlola okulandelayo kufanele kwenziwe ngaphambi kokuthi i-valve ihambe efektri:①Uma i-valve ivuliwe, umzimba we-valve kufanele umelane nokuhlolwa kwengcindezi yangaphakathi kabili yokucindezela kokusebenza kwe-valve;②Lapho i-valve ivaliwe, izinhlangothi zombili kufanele zithwale izikhathi ezingu-11 ukucindezela kokusebenza kwe-valve, akukho ukuvuza; kodwa i-valve uvemvane evalwe ngensimbi, inani lokuvuza alikho likhulu kunezidingo ezifanele

6. I-anti-corrosion yangaphakathi nangaphandle yama-valve

6.1 Ingaphakathi nangaphandle kwe-i-valveumzimba (kuhlanganise nebhokisi elishintshashintshayo lokudlulisa isivinini) kufanele kuqala lidutshulwe liqhunyiswe ukuze kukhishwe isihlabathi nokugqwala, futhi lilwele ukufafaza nge-electrostatic resin eyimpuphu ye-epoxy ewugqinsi ongu-0~3mm noma ngaphezulu. Uma kunzima ukufafaza nge-electrostatic resin ye-epoxy engenabuthi kumavalvu amakhulu kakhulu, upende ofanayo ongenabuthi we-epoxy kufanele futhi ubhulashwe futhi ufuthwe.

6.2 Ingaphakathi lomzimba we-valve kanye nazo zonke izingxenye zepuleti le-valve zidingeka ukuthi zivikele ukugqwala ngokuphelele. Ngakolunye uhlangothi, ngeke igle lapho icwiliswe emanzini, futhi akukho ukugqwala kwe-electrochemical okuzokwenzeka phakathi kwezinsimbi ezimbili; ngakolunye uhlangothi, ubuso bushelelezi ukuze kuncishiswe ukumelana namanzi. i

6.3 Izidingo zokuhlanzeka ze-anti-corrosion epoxy resin noma upende osemzimbeni wevalvu kufanele ube nombiko wokuhlola wesiphathimandla esihambisanayo. Izakhiwo zamakhemikhali nezomzimba kufanele nazo zihlangabezane nezidingo ezifanele

7. Ukupakishwa kwe-valve nokuhamba

7.1 Izinhlangothi zombili zevalvu kufanele zivalwe ngamapuleti okuvimbela ukukhanya. i

7.2 Amavalvu aphakathi nendawo namancane kufanele ahlanganiswe nezintambo zotshani futhi ahanjiswe ngeziqukathi.

7.3 Ama-valve anobubanzi obukhulu nawo ahlanganiswe nokugcinwa kohlaka lwamapulangwe ukuze kugwenywe ukulimala ngesikhathi sokuthutha.

8. Hlola imanuwali yefekthri yevalvu

8.1 Ivalvu iyithuluzi, futhi idatha elandelayo efanele kufanele ikhonjiswe kumanuwali efektri: imininingwane yamavalvu; imodeli; ingcindezi yokusebenza; izinga lokukhiqiza; impahla ye-valve yomzimba; impahla ye-valve stem; izinto zokuvala; impahla yokupakisha i-valve shaft; i-valve stem bushing material; Anti-ukugqwala; isiqondiso sokuqala sokusebenza; amavukelambuso; i-torque yokuvula nokuvala ngaphansi kwengcindezi yokusebenza;

8.2 Igama likaI-TWS VALVEumkhiqizi; usuku lokukhiqiza; inombolo ye-serial yefekthri: isisindo; imbobo, inombolo yezimbobo, kanye nebanga phakathi kwezimbobo ezimaphakathi zokuxhumai-flangekukhonjiswe kumdwebo; izilinganiso zokulawula zabo bonke ubude, ububanzi, nobude; izikhathi ezisebenzayo zokuvula nokuvala; Ukumelana nokugeleza kwe-valve I-Coefficient; idatha efanele yokuhlolwa kwe-valve ex-factory kanye nezinyathelo zokuphepha zokufakwa nokugcinwa, njll.