Mokhoa oa ho khetha thepa ea WCB/LCB/LCC/WC6/WC bakeng sa valve?

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 ultra -low, 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.

wcb le lcc serurubele valveka 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 liphoso, 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 li-valve tse ling tse nyane. tlhahiso ea mocheso o phahameng, khatello e phahameng kapa mocheso o tlase kapa mecha ea phatlalatso 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