Iimfuneko ezibunane zezobuchwepheshe ekufuze zaziwe lokha nakuthengwa amavalvu

Iivalvuyingcenye yokulawula erherhweni lokulethwa kwe-fluid, enemisebenzi efana nokusika, ukulungisa, ukuphambukisa ukugeleza, ukukhandela ukugeleza okubuyela emuva, ukuqinisa umfutho, ukuphambukisa ukugeleza nofana ukuqeda umfutho wokuphuphuma. Amavalvu asetjenziswa eenhlelweni zokulawula amanzi asuka emavalvu alula khulu wokusika ukuya emavalvu ahlukahlukeneko asetjenziswa eenhlelweni zokulawula ezizenzakalelayo eziyinkimbinkimbi khulu, ezineentlobo ezihlukahlukeneko neenhlathululo. Amavalvu angasetjenziselwa ukulawula ukugeleza kwemihlobo ehlukileko yamanzi afana nomoya, amanzi, umtjhiso, iindaba ezihlukahlukeneko ezibolako, udaka, amafutha, insimbi yamanzi kanye nezinto ezikhiqiza imisebe. Amavalvu nawo ahlukaniswe abe mavalvu wensimbi, amavalvu wensimbi, amavalvu ensimbi, amavalvu wensimbi ye-chrome molybdenum, amavalvu ensimbi ye-chrome molybdenum vanadium, amavalvu ensimbi ye-duplex, amavalvu weplastiki, amavalvu wesimbi angakajayeleki kanye nezinye izinto zamavalvu ngokuya ngezinto. Ngiziphi iimfuneko zethekhnikhi okufanele zitjhejwe lokha nakuthengwa amavalvu

1. Ukucaciswa kwevalvu kanye nemikhakha kufanele ihlangabezane neemfuneko zamadokhumenti wokuklama amapayipi

1.1 Imodeli yevalvu kufanele itjengise iimfuneko zeenomboro zezinga lezwe. Nangabe kulizinga lebhizinisi, ihlathululo efaneleko yemodeli kufanele itjengiswe.

1.2 Umfutho wokusebenza wevalvu udinga≥umfutho wokusebenza wepayipi. Ngaphasi kwesizathu sokungathinti intengo, umfutho wokusebenza ivalvu engajamelana nawo kufanele ube mkhulu kunomfutho wokusebenza wangempela wepayipi; nanyana ngiliphi ihlangothi levalvu kufanele likghone ukujamelana nomfutho wokusebenza wevalvu lokha nayivaliwe, ngaphandle kokuvuza; lokha i-valve nayivulekile, umzimba we-valve kufanele ukghone ukujamelana neemfuneko zokusebenza kabili kwe-valve.

1.3 Emazingeni wokukhiqiza amavalvu, inani lezinga lezwe lesisekelo kufanele litjhiwo. Nangabe kulizinga lebhizinisi, imitlolo yebhizinisi kufanele inamathele esivumelwaneni sokuthenga

2. Khetha izinto zevalvu

2.1 Iinsetjenziswa zevalvu, njengombana amapayipi wensimbi ephosiweko ampunga angakhuthazwa kancanikancani, into yomzimba wevalvu kufanele ibe yinsimbi ethambileko, begodu izinga kanye nedatha yokuhlolwa kwamakhemikhali yamakhemikhali yokuphoswa kufanele itjengiswe.

2.2 Iivalvuizinto zesiqu kufanele zenziwe ngesiqu sevalvu yensimbi engagqwali (2CR13), begodu ivalvu ekulu kufanele ibe siqu sevalvu esifakwe ensimbi engagqwali.

2.3 Into ye-nut yenziwe ngethusi ye-aluminiyamu nofana ithusi ye-aluminiyamu, begodu ukuqina kwayo nokuqina kwayo kukhulu ukudlula isiqu sevalvu

2.4 Into ye-valve stem bushing akukafaneli ibe nokuqina namandla amakhulu ukudlula we-valve stem, begodu akukafaneli yenze ukugqwala kwe-elekthrokhemikhali ngesiqu se-valve nomzimba we-valve ngaphasi kokucwiliswa emanzini.

2.5 Into yendawo yokuvala①Kunemihlobo ehlukilekoamavalvu, iindlela ezihlukileko zokuvala kanye neemfuneko zezinto;②Amavalvu we-wedge gate ajayelekileko, izinto, indlela yokulungisa, nendlela yokugaya indandatho yethusi kufanele ichazwe;③Amavalvu wesango avalwe ngokuthambileko, into yerabha yokuvala ipuleti yevalvu Idatha yokuhlola ngokomzimba, kwamakhemikhali nokuhlwengeka;④Amavalvu we-butterfly kufanele atjengise into yendawo yokuvala emzimbeni wevalvu kanye nezinto zokuvala epuletini le-butterfly; idatha yabo yokuhlola ngokomzimba namakhemikhali, khulukhulu iimfuneko zokuhlanzeka, ukusebenza kokulwa nokuguga nokujamelana nokuguga kwerabha; Irabha yamehlo nerabha ye-EPDM, njll., akukavunyelwa ukuhlanganisa irabha ebuyiselweko.

2.6 Ukupakisha ishafu yevalvu①Ngombana amavalvu enethiwekhi yamapayipi avamise ukuvulwa nokuvalwa kanengi, ukupaka kutlhogeka bona kungasebenzi iminyaka eminengi, begodu ukupakisha angeze kwaguga, ukwenzela bona kugcinwe umphumela wokuvala isikhathi eside;②Ukupakisha kwe-valve shaft kufanele kujamelene nokuvulwa nokuvalwa njalo, umphumela wokuvala muhle;③Ngokuya kweemfuneko ezingenhla, ukupakisha kwe-valve shaft akukafaneli kuthathelwe indawo ipilo yoke nofana iminyaka engaphezu kwelitjhumi;④Nangabe ukupakisha kutlhoga ukutjhugululwa, umklamo wevalvu kufanele ucabangele iindlela ezingatjhugululwa ngaphasi kobujamo bomfutho wamanzi.

3. Ibhokisi lokudlulisa eliguquguqukako

3.1 Iinsetjenziswa zomzimba webhokisi kanye neemfuneko zangaphakathi nezangaphandle zokulwisana nokugqwala zihambisana nomthethomgomo womzimba wevalvu. i

3.2 Ibhokisi kufanele libe neendlela zokuvala, begodu ibhokisi lingajamelana nokucwiliswa ngaphakathi kwekholomu yamanzi engamamitha ama-3 ngemva kokuhlanganiswa. i

3.3 Ngedivayisi yokuvula nokuvala ebhokisini, inati lokulungisa kufanele libe sebhokisini. i

3.4 Umklamo wesakhiwo sokudlulisa unengqondo. Lokha nayivulako begodu ivala, ingatjhukumisela i-valve shaft bona ijikeleze ngaphandle kokuyenza bona ikhuphuke phasi. i

3.5 Ibhokisi lokudlulisa ngejubane eliguquguqukako nesivalo seshafu yevalvu angeze zahlanganiswa zibe yinto enganavuza. i

3.6 Akukho ukungcola ebhokisini, begodu iingcenye zokuhlanganisa igiya kufanele zivikelwe ngamafutha.

4.Ivalvuindlela yokusebenza

4.1 Indlela yokuvula nokuvala yokusebenza kwevalvu kufanele ivalwe ngendlela yewashi. i

4.2 Njengombana amavalvu enethiwekhi yamapayipi avamise ukuvulwa nokuvalwa ngesandla, inani lokuvula nokuvala akukafaneli libe linengi khulu, ngitjho namavalvu amakhulu kufanele abe ngaphakathi kwama-200-600 wokujikeleza. i

4.3 Ukuze kube lula ukusebenza kokuvula nokuvala ngomuntu oyedwa, i-torque ephezulu yokuvula nokuvala kufanele ibe yi-240m-m ngaphasi komfutho womtjhini wamapayipi.

4.4 Ukuvula nokuvala kokusebenza kwevalvu kufanele kube yi-tenon eyisikwere enemilinganiso ejwayelekileko begodu ibheke phasi ukwenzela bona abantu bakghone ukuyisebenzisa ngqo phasi. Amavalvu anamadiski awalungele amanethiwekhi wamapayipi angaphasi komhlaba. i

4.5 Iphaneli yokutjengisa ukuvulwa nokuvalwa kwevalvu

①Umugqa wesikali wezinga lokuvula nokuvala kwevalvu kufanele ufakwe phezu kwekhava yebhokisi lamagiya nofana egobolondweni lephaneli yokutjengisa ngemva kokuthi indlela itjhugululwe, yoke iqale phasi, begodu umugqa wesikali kufanele upendiwe ngepuyere ye-fluorescent ukutjengisa ukubamba amehlo; Ebujameni obuhle, ipuleti yensimbi engagqwali ingasetjenziswa, ngaphandle kwalokho ipuleti yensimbi ependiweko, ungasebenzisi isikhumba se-aluminiyamu ukuyenza;③Inaliti yokukhombisa idosa amehlo begodu ijame ngokuqinileko, lokha ukuvula nokuvala ukulungiswa kunembile, kufanele ivalwe ngama-rivet. i

4.6 Nangabeivalvuingcwatjhwe khulu, begodu ibanga hlangana nendlela yokusebenza nephaneli yokutjengisa≥15m ukusuka phasi, kufanele kube nendawo yokunweba induku, begodu kufanele ilungiswe ngokuqinileko ukwenzela bona abantu bakghone ukuqala nokusebenza phasi. Lokho kutjho bona, ukusebenza kokuvula nokuvala kwamavalvu enethiwekhi yamapayipi akukafaneli ukusebenza ngaphasi kwemigodi.

5. Ivalvuukuhlolwa kokusebenza

5.1 Lokha ivalvu nayikhiqizwa ngamaqhema weenhlathululo ezithileko, kufanele kuphathiswe ihlangano enegunya bona yenze ukuhlolwa kokusebenza okulandelako:①I-torque yokuvula nokuvala yevalvu ngaphasi kobujamo bomfutho wokusebenza;②Ngaphasi kobujamo bokugandeleleka kokusebenza, isikhathi sokuvula nokuvala esiragela phambili esingaqinisekisa bona ivalvu ivalwe kuhle;③Ukutholwa kwezinga lokujamelana nokugeleza kwevalvu ngaphasi kobujamo bokulethwa kwamanzi wepayipi. i

5.2 Iimhloliso ezilandelako kufanele zenziwe ngaphambi kobana ivalvu iphume efemini:①Lokha ivalvu nayivulekile, umzimba wevalvu kufanele ujamelane nokuhlolwa komfutho wangaphakathi okuphindwe kabili umfutho wokusebenza wevalvu;②Lokha ivalvu nayivaliweko, zombili iinhlangothi kufanele zithwale umfutho wokusebenza wevalvu ophindwe ka-11, kungabi nokuvuza; kodwana i-valve ye-butterfly evaliweko yensimbi, inani lokuvuza alikho ngaphezu kweemfuneko ezifaneleko

6. Ukulwa nokugqwala kwangaphakathi nangaphandle kwamavalvu

6.1 Ngaphakathi nangaphandle kweivalvuumzimba (okufaka hlangana ibhokisi lokudlulisa ijubane eliguquguqukako) kufanele uqale ngokudutshulwa ukususa isihlabathi nokugqwala, begodu uzame ukufafaza ipuyere ye-epoxy engenabuthi enobukhulu obungu-0 ~ 3mm nofana ngaphezulu. Lokha nakubudisi ukufafaza i-epoxy resin enganabuthi nge-elekthrostathikhi emavalvu amakhulu khulu, ipende ye-epoxy enganabuthi efanako nayo kufanele ibhutjhiwe begodu ifafazwe.

6.2 Ingaphakathi lomzimba wevalvu nazo zoke iingcenye zepuleti yevalvu kutlhogeka bona zingagqwali ngokupheleleko. Ngakelinye ihlangothi, angeze yagqwala lokha nayifakwe emanzini, begodu akukho ukugqwala kwe-elekthrokhemikhali okuzokwenzeka hlangana neensimbi ezimbili; ngakelinye ihlangothi, ingaphezulu libushelelezi ukwehlisa ukujamelana namanzi. i

6.3 Iimfuneko zokuhlanzeka ze-epoxy resin elwisana nokugqwala nofana ipende emzimbeni wevalvu kufanele ibe nombiko wokuhlolwa wegunya elihambelanako. Iimpawu zamakhemikhali nezomzimba kufanele zihlangabezane neemfuneko ezifaneleko

7. Ukupakisha kwevalvu nokuthuthwa

7.1 Zombili iinhlangothi zevalvu kufanele zivalwe ngamapuleti wokuvimbela ukukhanya. i

7.2 Amavalvu wezinga eliphakathi nendawo nelincani kufanele ahlanganiswe ngeentambo zotshani begodu athuthwe ngaphakathi kwemijekana.

7.3 Amavalvu amakhulu nawo apakishwa ngefreyimu elula yamaplanka ukugwema ukulimala ngesikhathi sokuthutha

8. Hlola incwadi yefektri yevalvu

8.1 Ivalvu mtjhini, begodu idatha efaneleko elandelako kufanele itjengiswe ebhukwini lefemu: ukucaciswa kwevalvu; umhlobo; ukugandeleleka kokusebenza; izinga lokukhiqiza; into yomzimba wevalvu; into yesiqu sevalvu; izinto zokuvala; izinto zokupakisha ishafti yevalvu; i-valve stem bushing material; Iinsetjenziswa ezilwisana nokugqwala; indlela yokuthoma yokusebenza; amavukelambuso; ukuvula nokuvala i-torque ngaphasi kwengcindezi yokusebenza;

8.2 Ibizo lakaI-TWS VALVEumkhiqizi; ilanga lokwenziwa; inomboro yefemu: ubudisi; ukuvuleka, inani lemigodi, kanye nebanga phakathi kwemigodi ephakathi yokuxhumanisaiflanjizitjengiswe emfanekisweni; ubukhulu bokulawula ubude, ububanzi, nokuphakama; isikhathi sokuvula nokuvala esiphumelelako; i-Valve ukumelana nokugeleza kwe-Coefficient; idatha efaneleko yokuhlolwa kwevalvu ngaphandle kwefektri kanye namagadango wokufaka nokugcina, njll.