I. Kunganiivalvu yebhabhathaneizindinganiso zibalulekile?
Indinganiso ichaza ukwakheka kwamavalvu ebhabhathane kanye nokuhlolwa okumele kudlule ivalvu ngayinye. Ngaphandle kwalezi zindinganiso, ukuphepha kohlelo akunakuqinisekiswa. Amavalvu awakwazi ukuhambisana, izingxenye azikwazi ukuhambisana, futhi lonke uhlelo lwamapayipi luvezwa engcupheni engadingekile.
Izinga lokucaciswa kwevalvu yebhabhathane olilandelayo linquma indlela yokuxhuma iflange, isilinganiso sokucindezela kanye nebanga lezinto ezibonakalayo. Lokhu kusho ukuthi onjiniyela kudingeka bafanise izinga ngalinye levalvu yebhabhathane nokucindezela, ukugeleza kanye nemidiya yesistimu ukuqinisekisa ukuthi konke kusebenza kahle.
Lesi sihloko sigxile ezindinganisweni eziningana ezivamile ze-ISO butterfly valve futhi sizichaza ngokuningiliziwe:
II.I-Butterfly ValveIzindinganiso Zomkhiqizo Eziyinhloko
| Inombolo ejwayelekile. | Igama Elijwayelekile | Ububanzi besicelo | Amapharamitha Obuchwepheshe Abalulekile kanye Nemininingwane |
| I-ISO 10631 | Amavalvu ezimboni – Amavalvu ebhabhathane ensimbi | Amavalvu ebhabhathane ensimbi anobukhulu obujwayelekile DN40~DN2000 kanye namazinga okucindezela PN10~PN400 | Isimo sesakhiwo (ukulingana okuphakathi/ukulingana), izinga lokuvala (ISO 5208 Class A~F), izidingo zezinto (umzimba wevalvu, ipuleti levemvane, indandatho yokuvala) |
| I-ISO 21159 | Amavalvu ebhabhathane ensimbi esevisi yokushisa okuphansi | Izimo zokusebenza eziphansi zokushisa ezinokushisa kokusebenza ≤-46℃ (njenge-LNG, igesi encibilikisiwe) | Izidingo zokuqina kwezinto ezisezingeni lokushisa eliphansi (ukuhlolwa komthelela -196°C), ukwakheka kokugeleza okulwa nokubanda kwesakhiwo sokuvala, indlela yokuhlola i-torque esezingeni lokushisa eliphansi |
| I-ISO 16136 | Amavalvu ebhabhathane e-Thermoplastic | Amavalvu e-PVC, PP, PVDF kanye namanye ama-valve e-thermoplastic anosayizi abajwayelekile DN50~DN1200 | Isilinganiso sokucindezela komzimba we-valve yepulasitiki (PN6~PN16), izidingo zokushisa kokuguquguquka kokushisa, ukumelana nokugqwala kwamakhemikhali okubophayo (ukuhlolwa kwe-ISO 175) |
| I-ISO 22306 | Amavalvu epulasitiki enziwe nge-fiber aqiniswe | I-valve yebhabhathane yepulasitiki eqiniswe ngefayibha yengilazi (GRP) enosayizi ojwayelekile DN100~DN3000 | Amandla esakhiwo se-fiber laminate (ukuhlolwa kokuthamba kwe-ISO 527), ukumelana nokuguga kwe-UV(ISO 4892-3), ukumelana nokugqokwa kwe-sealing pair |
III.I-valve yebhabhathaneamazinga obuchwepheshe asekelayo
| Inombolo ejwayelekile. | Igama Elijwayelekile | Ububanzi besicelo | Amapharamitha Obuchwepheshe Abalulekile kanye Nemininingwane |
| I-ISO 5752 | Amavalvu ensimbi – Ubukhulu bobuso nobuso kanye nobukhulu obuphakathi nobuso | Imininingwane ejwayelekile yobude besakhiwo sawo wonke ama-valve ensimbi (kufaka phakathi ama-valve e-butterfly) | Uchungechunge olufushane (Uchungechunge A/B), uchungechunge olude (Uchungechunge C/D) ithebula lobukhulu, ukubekezelelana kobuso bokuxhumana kwe-flange (≤0.3mm) |
| I-ISO 5211 | Amavalvu – Ukufakwa kwama-actuator | Isixhumi sokuxhumana phakathi kwevalvu kanye ne-actuator yomoya/kagesi | Usayizi womgodi wokushayela oyisikwele (njengo-25×25mm), ukubekezelela ububanzi be-keyway (± 0.1mm), ukusebenza kahle kokudlulisa i-torque (≥95%) |
| I-ISO 5208 | Amavalvu ensimbi - Ukuhlolwa kwengcindezi | Izindlela zokuhlola ukuqina kwegobolondo kanye nokuqina kwamavalvu ensimbi (kufaka phakathi amavalvu ebhabhathane) | Ingcindezi yokuhlola igobolondo (1.5×PN), ingcindezi yokuhlola uphawu (1.1×PN), izinga lokuvuza (ISO 5208 Class A~F) |
| I-ISO 10497 | Ukuhlolwa kwamavalvu - Izidingo zokuhlola uhlobo lomlilo | Ukusebenza kokuphepha komlilo kwama-valve asetshenziswa embonini ye-petrochemical | Isikhathi sokuchayeka elangeni (imizuzu engama-30), ingcindezi yangaphakathi (2.1 MPa), umkhawulo wesilinganiso sokuvuza (≤ 0.5 L/min) |
| I-ISO 15848-1 | Ukulinganiswa kokukhishwa kwegesi okubalekayo | Ukuhlolwa kwesilinganiso sokuvuza kwe-valve methane/VOCs | Ukuhlukaniswa kwezinga lokuvuza (A~F), indlela yokuthola (i-helium mass spectrometer/indlela yebhamuza), izidingo zokuphila kwesivalo (≥imijikelezo engu-100,000) |
IV.Izindinganiso Ezijwayelekile Eziyisisekelo
| Inombolo ejwayelekile. | Igama Elijwayelekile | Ububanzi besicelo | Amapharamitha Obuchwepheshe Abalulekile kanye Nemininingwane |
| I-ISO 16046 | Amavalvu – Amagama Asetshenziswayo | Izincazelo Eziyisisekelo Zamagama Azo Zonke Izinhlobo Zamavalvu | Amagama akhethekile ama-valve e-butterfly(njengokuthi “okuphindwe kabili okungajwayelekile”, “okuphindwe kathathu okungajwayelekile”, “uphawu oluthambile”, “uphawu oluqinile”) |
| I-ISO 15848-2 | Ukuhlolwa kokwamukelwa komkhiqizo | Inqubo yokuthola ukuvuza ngesikhathi sokukhiqizwa kwama-valve | Uhlelo lokuhlola (AQL 1.5), ingcindezi yokuthola (1.1×PN),izindlela zokufaneleka (≤0.1% ukugeleza okulinganiselwe) |
V. Ukuhlaziywa Kokulinganisa Kwezinhlelo Ezijwayelekile Ezijwayelekile
| Izinga le-ISO | I-API 609 (I-American Standard) | I-GB/T 12238(Izinga Likazwelonke) | I-EN 593(Izinga laseYurophu) | UkulinganisaIimiyalelo |
| I-ISO 10631 | Isigaba A/B se-API 609 | GB/T 12238-2008 | EN 593-2013 | Zonke ezintathu izimbozo zamavalvu ensimbi ezimboza amavelu, kodwa i-API 609 igcizelela ukwakheka "okuphindwe kabili okungavamile", kanti i-EN 593 yengeza izidingo zesakhiwo "eziphindwe kathathu ezingavamile" |
| I-ISO 5752 | I-API 609 Isithasiselo B | GB/T 12221-2005 | EN 558-1/2 | I-ISO 5752 ihambisana ngokugcwele ne-EN 558, futhi i-GB/T 12221 inezela ubukhulu obujwayelekile obuqondene neShayina (njenge-DN2500) |
| I-ISO 5208 | I-API 598 | I-GB/T 13927-2008 | I-EN 12266-1 | Izindlela zokuhlola zalezi ezintathu ziyafana, kodwa i-API 598 ivumela izinga lokuvuza eliphezulu (Isigaba VI), kanti i-ISO/EN inezidingo eziqinile (Isigaba A) |
| I-ISO 10497 | I-API 607/6FA | I-GB/T 23935-2009 | I-ISO 10497(Kwamukelwe ngokulinganayo) | Izimo zokuhlolwa komlilo ziyafana ncamashi, kodwa i-API 6FA yengeza izidingo ezengeziwe "zomthelela wokushisa okuphansi" |
VI. Isifinyezo kanye nezincomo
1. Ukuphelela okujwayelekile kokumbozwa:Uhlelo olujwayelekile lwe-ISO lumboze ngokuphelele umjikelezo wokuphila wama-valve e-butterfly kusukela ekwakhiweni, ekukhiqizweni kuya ekuhlolweni, futhi luhle kakhulu emikhakheni ekhulayo (njengezinga lokushisa eliphansi, ama-valve epulasitiki).
2. Umehluko kumapharamitha obuchwepheshe:
- Izinga lokuvala:I-ISO 5208 kanye ne-EN 12266 ziqinile kakhulu (Izinga lokuvuza le-Class A uma lilinganiselwe ≤0.05% ukugeleza), i-API 598 ivumela i-Class VI (≤0.3%).
- Izidingo zokuvikela umlilo:Izimo zokuhlola ze-ISO 10497 kanye ne-API 6FA ziyavumelana, kodwa i-ISO ayikuphoqeleli ukuhlolwa komthelela wokushisa okuphansi.
3. Iziphakamiso Zokukhetha Ibhidi Lebhizinisi:
-Ukuthumela eYurophu:Isitifiketi se-ISO/EN esiphindwe kabili (njenge-ISO 10631+EN 593) sinikezwa kuqala.
- Ukuphelelwa yisikhathiukuvakashela e-United States:Kudingeka izitifiketi ezikhethekile ze-API 609 (isakhiwo) kanye ne-API 598 (ukuhlolwa).
- Amaphrojekthi Asekhaya:I-GB/T 12238 ingahlangabezana nezidingo ezivamile, kodwa amaphrojekthi aphezulu anconywa ukuthi ahambisane ne-ISO 15848 (ukuvuza okuphansi) ngasikhathi sinye.
Amavalvu ebhabhathane, amavalvu esango, ama-valve okuhlola, yize ama-valve ehlukene, ukuphepha kuyafana.I-Tianjin Tanggu Water-Seal Valve Co., Ltd. inamathela ohlelweni olujwayelekile lwe-ISO, yakha ikhwalithi eqinile, futhi ithola ukwethenjwa ngobungcweti. Isekelwe ezindinganisweni nasekuhloseni isikhathi eside -I-TWSkwenza umhlaba ube manzi kakhudlwana.
Isikhathi sokuthunyelwe: Julayi-22-2026
