W e bolela ho ngola, ho lahlela;
C-CARBON STEEL carbon steel, A, b, le C li bontša boleng ba matla a mofuta oa tšepe ho tloha tlaase ho ea holimo.
WCA, WCB, WCC e emela carbon steel, e nang le ts'ebetso e ntle ea welding le matla a mochine.ABC e emetse boemo ba matla, WCB e sebelisoang hangata.Thepa ea liphaephe e tsamaellanang le WCB e lokela ho ba A106B, 'me thepa e tsamaisanang le eona ke A105.E loketse li-valve tlas'a mocheso o tloaelehileng le khatello.
WC6 ke ho lahla tšepe ea motsoako.E na le thepa e babatsehang ea ho hanyetsa mocheso o phahameng le antioxidant 'me e loketse li-valve tlas'a mocheso o phahameng le maemo a khatello e phahameng.
Lisebelisoa tsa lipeipi tse tsamaellanang li ka ba A355 P11, 'me karolo ea forging ke A182 F11;
Ho phaella moo, ho na le WC9, tšepe ea alloy e phahameng ea mocheso, e lumellanang le hoo e ka bang A355 P22, 'me ho qaptjoa ho lokela ho lumellana le A182 F22.
WC welded casting e na le matla le boima bo phahameng.E loketse lits'ebetso tse tloaelehileng tsa indasteri.
LCB/LCC (ASTM A352) Tšepe ea carbon e nang le mocheso o tlase e na le matla a tlase le ho hanyetsa kutu.E loketse lits'ebetso tsa mocheso o tlase oa mocheso o tlase, joalo ka LPG khase ea tlhaho (LNG).
Li-valve tsa Zfa li hlahisa li-valve tsa serurubele tse tloaelehileng tsa WCB bakeng sa bareki lefatšeng ka bophara ka mocheso o tloaelehileng, hape re ka hlahisa li-valve tsa serurubele sa LCC bakeng sa Bareki ba tsoang Leboea ho Europe joalo ka Russia, Finland joalo-joalo.
ka holimo ke WCBChina wafer butterfly valvele LCCSerurubele sa China lugbelofo.
Lisebelisoa tsa tšepe ea carbon le lisebelisoa tse entsoeng tse atisang ho sebelisoa li-valve
| Boemo ba Lintho | Hlokomela | Nomoro e Tloaelehileng | Nomoro ea Boitsebiso | ||
| ho lahla | China | GB/T 12229 | WCA | WCB | WCC |
| ZG205-415 | ZG250-485 | ZG275-485 | |||
| Amerika | ASTM A216/A216M | WCA | WCB | WCC | |
| UNS J02502 | UNS J03002 | UNS J02503 | |||
| E qhetsoeng | China | GB/T 12228GB/T 699 | 25 25Mn 35 40 A105 | ||
| Amerika | ASTM A105/A105M | A105 | |||
Mocheso o tlase oa limaraka tsa tšepe tse entsoeng ka tšepe le mocheso o sebetsang
| mofuta | C | C | C-Mn | C-Mo | 2.5Ni | Ni-Cr-Mo | 3.5Ni | 4.5Ni | 9Ni | Cr-Ni-Mo |
| Nomoro ea Boitsebiso | LCA | LCB | LCC | LC1 | LC2 | LC2-1 | LC3 | LC4 | LC9 | CA6NM |
| Nomoro ea UNS. | J02504 | J03303 | J02505 | J12522 | J22500 | J42215 | J31550 | J41500 | J31300 | J91540 |
| Mocheso o sebetsang ℃ | -32 | -46 | -46 | -59 | -73 | -73 | -101 | -115 | -196 | -73 |
Lisebelisoa tsa ASTM tsa ho etsa le ho lahlela litafole tsa papiso tse sebelisoang hangata ho li-valve (ASME B16.5)
| Mokhoa oa ho etsa ASTM | ASTM e entsoe | Nomoro ea Sechaena. | Mocheso o sebetsang ℃ | Seaplane se sebetsang | ||||
| Tšepe ea Carbon | ||||||||
| A216 WCB | A105 | 20 | -29 ~ 427 | Metsi, mouoane, moea le lihlahisoa tsa petroleum | ||||
| Mocheso o tlase oa carbon tšepe | ||||||||
| A352 LCB | A350 LF2 | 16Mn | - 46-343 | Mocheso o tlase oa mocheso | ||||
| A352 LCC | A350 LF2 | 16Mn | - 46-343 | Mocheso o tlase oa mocheso | ||||
| Tšepe ea alloy e phahameng ea mocheso | ||||||||
| A217 WC1 | A182 F1 | 20MnMo | -29 ~ 454 | Mocheso o phahameng le bohareng ba khatello e phahameng | ||||
| A217 WC6 | A182 F11 | 15CrMo | -29 ~ 552 | Mocheso o phahameng le bohareng ba khatello e phahameng | ||||
| A217 WC9 | A182 F22 | 10Cr2Mo1 | -29 ~ 593 | Mocheso o phahameng le bohareng ba khatello e phahameng | ||||
| A217 C5 | A182 F5 | 1Cr5Mo | -29 ~ 650 | Mocheso o phahameng oa mocheso o senyang | ||||
| tšepe ea martensitic | ||||||||
| A217 CA15 | A182 F6a | 1Kr13 | -29 ~ 371 | Matla a ka tlase ho 304 ka holimo ho 450 ℃ | ||||
| austenitic Stainless Steel (C≤0.08) | ||||||||
| A351 CF8 | A182 F304 | 0Cr18Ni9 | -196-537 | Moaho o senyang | ||||
| A351 CF3 | A182 F304L | -196-425 | Moaho o senyang | |||||
| A351 CF8M | A182 F316 | 0Cr18Ni12Mo2Ti | -196-537 | Moaho o senyang | ||||
| A351 CF3M | A182 F316L | -196-425 | Moaho o senyang | |||||
| Ultra low carbon austenitic stainless steel (C≤0.03) | ||||||||
| A351 CF3 | A182 F304L | 00Cr18Ni10 | -196-427 | Moaho o senyang | ||||
| A351 CF3M | A182 F316L | 00Cr18Ni14Mo2 | -196-454 | Moaho o senyang | ||||
| Alloy e khethehileng | ||||||||
| A351 CN7M | B462 Gr.NO8020(ALLOY 20) | - 29 ~ 149 | Mecha ea litaba ea oxidizing le likhakanyo tse fapaneng tsa sulfuric acid | |||||
| A494 M-30C(Monel) | B564 Gr.NO4400 | -29 ~ 482 | Hydrofluoric acid, metsi a leoatle | |||||
Tlhokomeliso: 1) mokhatlo o hlophisitsoeng oa li-valve tsa 'mele o teteaneng, ha ho bonolo ho ba le bofokoli, litekanyo tsa sebopeho ha li tlas'a mefokolo ea hlobo, ts'ebetso e tšepahalang ea khatello, e sebelisoang haholo bakeng sa khatello e phahameng, maemo a oksijene, bophara bo nyane kapa batch e nyane ea li-valve holim'a tlhahiso ea mocheso o phahameng, khatello e phahameng kapa mocheso o tlase kapa mecha ea litaba e khethehileng tlas'a khetho ea ho forging;ho lahla ka kakaretso ho sebetsa feela ho khatello e mahareng le e tlase, 'me e sebelisoa bakeng sa ho bopa ho tloaelehileng ha li-valve tlhahiso ea bongata.
(2) Boitsebiso ba A351 CF3M le A182 F316L phapang: litekanyetso tse peli li lumellana le thepa ke 316 tšepe e sa hloekang.CF3M e bontša hore ho lahla, hangata ho sebelisoa e le lisebelisoa tsa valve.Khoutu ea tšepe e tsamaellanang le eona ke A182 F316L.ASTM A216 WCB e ntse e lahla, 'me liqapi tsa eona ke A105;SS304 castings ke A351-CF8, 'me forgings ke A182-F304.
Nako ea poso: Nov-07-2023