E faʻafefea ona filifili mea o le WCB / LCB / LCC / WC6 / WC mo le valve?

O lona uiga o le tusi, lafo;

C-CARBON STEEL carbon steel, A, b, ma C o loʻo faʻaalia ai le malosi o le ituaiga uʻamea mai le maualalo i le maualuga.

WCA, WCB, WCC o loʻo faʻatusalia le carbon steel, lea e lelei le faʻaogaina o le faʻaogaina ma le malosi faʻainisinia.O le ABC o lo'o fa'atusalia le tulaga malosi, e masani ona fa'aoga WCB.O mea paipa e fetaui ma le WCB e tatau ona A106B, ma o mea faʻapipiʻi tutusa o le A105.E talafeagai mo valve i lalo o le vevela masani ma le mamafa.

WC6 o le tu'uina atu o u'amea u'amea.E sili ona lelei le maualuga o le vevela ma mea antioxidant ma e talafeagai mo valve i lalo o le maualuga o le vevela ma tulaga maualuga o le mamafa.

O mea e fetaui lelei i le paipa e tusa ma le A355 P11, ma o le vaega faʻapipiʻi o le A182 F11;

E le gata i lea, o loʻo i ai le WC9, maualuga-vevela uʻamea uʻamea, e fetaui ma le tusa ma le A355 P22, ma o le faʻaogaina e tatau ona fetaui ma le A182 F22.

WC uelo lafo e maualuga le malosi ma le maaa.E talafeagai mo fa'aoga masani tau alamanuia.

LCB/LCC (ASTM A352) Low-temperature carbon sila e maualalo le malosi ma le corrosion teteʻe.E fetaui lelei mo le maualalo-temperature ultra-low temperature applications, pei ole LPG natural gas (LNG).

O le Zfa Valves e maua ai le masani a le WCB butterfly valve mo tagata faʻatau i le lalolagi atoa ma le vevela masani, ma e mafai foi ona matou gaosia le LCC butterfly valves mo tagata faʻatau mai Matu o Europa e pei o Rusia, Finelani ma isi.

wcb ma lcc butterfly valveluga ole WCBSaina wafer butterfly valvema LCCSaina lug butterflyalavai.

Castings uamea kabonu ma mea fao e masani ona faaaoga i valve

Tulaga Mea Fa'aaliga Numera masani Numera Mea
lafo Saina 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
Fa'ailogaina Saina GB/T 12228GB/T 699 25 25Mn 35 40 A105
Amerika ASTM A105/A105M A105

 

Low-temperature lafo meamea togi ma le vevela talafeagai

ituaiga C C C-Mn C-Mo 2.5Ni Ni-Cr-Mo 3.5Ni 4.5Ni 9Ni Cr-Ni-Mo
Numera Mea LCA LCB LCC LC1 LC2 LC2-1 LC3 LC4 LC9 CA6NM
UNS Nu. J02504 J03303 J02505 J12522 J22500 J42215 J31550 J41500 J31300 J91540
Fa'atatau le vevela ℃ -32 -46 -46 -59 -73 -73 -101 -115 -196 -73

 

ASTM mea fa'apipi'i ma tu'u fa'atusatusa laulau e masani ona fa'aogaina i valve (ASME B16.5)

ASTM lafo ASTM fa'ailoga Saina Nu. Fa'atatau le vevela ℃ Fa'atatau auala
Uamea Carbon
A216 WCB A105 20 -29~427 Suavai, ausa, ea, ma oloa suauu
Uamea kaponi maualalo-vevela
A352 LCB A350 LF2 16Mn -46~343 E maualalo le vevela feololo
A352 LCC A350 LF2 16Mn -46~343 E maualalo le vevela feololo
u'amea u'amea maualuga-vevela
A217 WC1 A182 F1 20MnMo -29~454 O le vevela maualuga ma le maualuga o le mamafa
A217 WC6 A182 F11 15CrMo -29~552 O le vevela maualuga ma le maualuga o le mamafa
A217 WC9 A182 F22 10Cr2Mo1 -29~593 O le vevela maualuga ma le maualuga o le mamafa
A217 C5 A182 F5 1Cr5Mo -29~650 Corrosive maualuga vevela ala
uamea uamea martensitic
A217 CA15 A182 F6a 1Cr13 -29~371 Malosi i lalo ifo o le 304 i luga ole 450 ℃
austenitic uamea uamea (C≤0.08)
A351 CF8 A182 F304 0Cr18Ni9 -196~537 Ala e pala
A351 CF3 A182 F304L -196~425 Ala e pala
A351 CF8M A182 F316 0Cr18Ni12Mo2Ti -196~537 Ala e pala
A351 CF3M A182 F316L -196~425 Ala e pala
u'amea u'amea austenitic ultra maualalo (C≤0.03)
A351 CF3 A182 F304L 00Cr18Ni10 -196~427 Ala e pala
A351 CF3M A182 F316L 00Cr18Ni14Mo2 -196~454 Ala e pala
Fa'amea fa'apitoa
A351 CN7M B462 Gr.NO8020(ALOU 20) -29~149 Fa'asalalauga fa'ama'i fa'ama'i ma fa'aputuga eseese ole sulfuric acid
A494 M-30C(Monel) B564 Gr.NO4400 -29~482 Hydrofluoric acid, suasami

 

Faʻaaliga: 1) faʻapipiʻiina o le tino o le tino o le tino, e le faigofie ona i ai ni faaletonu, o fua faʻavae e le mafai ona faʻatapulaʻaina, faʻalagolago le faʻatinoina o le mamafa, e masani ona faʻaaogaina mo le maualuga o le mamafa, tulaga okesene, laʻititi laʻititi poʻo isi vaega laiti o valve i luga o le vaʻa. gaosiga o le vevela maualuga, maualuga poʻo le maualalo o le vevela poʻo faʻasalalauga faʻapitoa i lalo o le filifiliga o le faʻamalosi;lafo e masani lava naʻo le faʻaaogaina i le feololo ma le maualalo o le mamafa, ma e faʻaaogaina mo le faʻavasegaina o valves i luga o le gaosiga tele.

(2) Mea A351 CF3M ma A182 F316L eseesega: o tulaga e lua e fetaui ma mea e 316 uʻamea uʻamea.CF3M o loʻo faʻaalia ai o le tuʻuina atu, e masani ona faʻaaogaina e fai ma mea valve.E tutusa le fa'ailoga uamea o le A182 F316L.ASTM A216 WCB o lo'o fa'ameamea, ma o ona fa'ailoga o le A105;SS304 castings o A351-CF8, ma forgings o A182-F304.

 


Taimi meli: Nov-07-2023