Pehea e koho ai i ka mea o WCB/LCB/LCC/WC6/WC no ka valve?

ʻO W ke kākau, hoʻolei;

C-CARBON STEEL ke kila kalapona, A, b, a me C hōʻike i ka waiwai ikaika o ke ʻano kila mai ka haʻahaʻa a i ke kiʻekiʻe.

ʻO WCA, WCB, WCC e hōʻike ana i ke kila kalapona, he maikaʻi ka hana kuʻi ʻana a me ka ikaika mechanical.Hōʻike ka ABC i ka pae ikaika, WCB maʻamau.ʻO ka mea paipu e pili ana i ka WCB he A106B, a ʻo A105 ka mea forging e pili ana.He kūpono no nā kiwi ma lalo o ka mahana a me ke kaomi maʻamau.

ʻO WC6 ka hoʻolei ʻana i ke kila kila.Loaʻa iā ia ke kūpaʻa kiʻekiʻe kiʻekiʻe a me nā waiwai antioxidant a kūpono i nā valve ma lalo o ke kiʻekiʻe kiʻekiʻe a me nā kūlana kiʻekiʻe.

ʻO ka mea pili i ka pipeline e pili ana iā A355 P11, a ʻo ka ʻāpana forging ʻo A182 F11;

Eia kekahi, aia ka WC9, ke kila kila kiʻekiʻe, e pili ana ma kahi o A355 P22, a ʻo ka hoʻopaʻa ʻana e kūpono me A182 F22.

Loaʻa ka ikaika kiʻekiʻe a me ka paʻakikī o ka hoʻolei ʻana o WC.He kūpono no nā ʻoihana hana maʻamau.

LCB/LCC (ASTM A352) ʻO ke kila kalapona haʻahaʻa haʻahaʻa haʻahaʻa ka paʻakikī a me ka pale ʻana i ka corrosion.He kūpono ia no ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, e like me ka LPG maoli kinoea (LNG).

Hoʻokumu ʻo Zfa Valves i nā kīwī lele WCB maʻamau no nā mea kūʻai aku ma ka honua holoʻokoʻa me ka mahana maʻamau, a hiki iā mākou ke hana i nā kīwaha butterfly LCC no nā mea kūʻai mai ʻĀkau o ʻEulopa e like me Russia, Finland etc.

wcb a me ka lcc butterfly valvemaluna o WCBKina wafer butterfly valvea me LCCLepelele lug Kinakiwikā.

ʻO ka hoʻolei ʻana i ke kila kalapona a me nā mea hana i hoʻohana mau ʻia i nā kiwi

Kūlana Mea Hoolaha Helu maʻamau Helu Material
hoolei ana Kina GB/T 12229 WCA WCB WCC
ZG205-415 ZG250-485 ZG275-485
ʻAmelika ASTM A216/A216M WCA WCB WCC
UNS J02502 UNS J03002 UNS J02503
Hana ʻia Kina GB/T 12228GB/T 699 25 25Mn 35 40 A105
ʻAmelika ASTM A105/A105M A105

 

Haʻahaʻa haʻahaʻa hoolei kila kila māka a me ka pili ana wela

ʻano ʻano C C C-Mn C-Mo 2.5Ni Ni-Cr-Mo 3.5Ni 4.5Ni 9Ni Cr-Ni-Mo
Helu Material LCA LCB LCC LC1 LC2 LC2-1 LC3 LC4 LC9 CA6NM
UNS No. J02504 J03303 J02505 J12522 J22500 J42215 J31550 J41500 J31300 J91540
Pāhana pili ℃ -32 -46 -46 -59 -73 -73 -101 -115 -196 -73

 

ASTM mea forging a me ka hoʻolei ʻana i nā papa hoʻohālikelike i hoʻohana mau ʻia i nā kiwi (ASME B16.5)

ASTM hoolei ana Ua hoʻopaʻa ʻia ʻo ASTM Pākē No. Pāhana pili ℃ ʻAno kūpono
ʻO ka hao hao
A216 WCB A105 20 -29~427 Ka wai, ka mahu, ka ea, a me ka aila
Ke kila kalapona haʻahaʻa wela
A352 LCB A350 LF2 16Mn -46~343 Haʻahaʻa wela waena
A352 LCC A350 LF2 16Mn -46~343 Haʻahaʻa wela waena
Ke kila kila wela wela
A217 WC1 A182 F1 20MnMo -29~454 ʻO ka wela kiʻekiʻe a me ke kiʻekiʻe kaomi
A217 WC6 A182 F11 15CrMo -29~552 ʻO ka wela kiʻekiʻe a me ke kiʻekiʻe kaomi
A217 WC9 A182 F22 10Cr2Mo1 -29~593 ʻO ka wela kiʻekiʻe a me ke kiʻekiʻe kaomi
A217 C5 A182 F5 1Cr5Mo -29~650 Corrosive kiʻekiʻe wela waena
kila kuhiliʻole martensitic
A217 CA15 A182 F6a 1Cr13 -29~371 ʻOi aku ka ikaika ma lalo o 304 ma luna o 450 ℃
Austenitic Stainless Steel (C≤0.08)
A351 CF8 A182 F304 0Cr18Ni9 -196~537 Mea hoʻomāinoino
A351 CF3 A182 F304L -196~425 Mea hoʻomāinoino
A351 CF8M A182 F316 0Cr18Ni12Mo2Ti -196~537 Mea hoʻomāinoino
A351 CF3M A182 F316L -196~425 Mea hoʻomāinoino
ʻO ke kila kila austenitic haʻahaʻa haʻahaʻa (C≤0.03)
A351 CF3 A182 F304L 00Cr18Ni10 -196~427 Mea hoʻomāinoino
A351 CF3M A182 F316L 00Cr18Ni14Mo2 -196~454 Mea hoʻomāinoino
Pākuʻi kūikawā
A351 CN7M B462 Gr.NO8020(AUI 20) -29~149 ʻO ka media oxidizing a me nā manaʻo like ʻole o ka sulfuric acid
A494 M-30C(Monel) B564 Gr.NO4400 -29~482 Hydrofluoric acid, wai kai

 

'Ōlelo Aʻo: 1) paʻa paʻa, ʻaʻole maʻalahi ka loaʻa ʻana o nā hemahema, ʻaʻole i hoʻopaʻa ʻia ka nui o ka hoʻolālā ʻana, ka hana paʻa hilinaʻi, hoʻohana nui ʻia no ke kaomi kiʻekiʻe, nā kūlana oxygen, ka liʻiliʻi liʻiliʻi a i ʻole nā ​​​​hui liʻiliʻi ʻē aʻe o nā valves. ka hana ʻana i ka wela kiʻekiʻe, kiʻekiʻe a i ʻole ka haʻahaʻa haʻahaʻa a i ʻole ka media kūikawā ma lalo o ke koho o ka forging;Hoʻohana wale ʻia ka hoʻolei ʻana i ka medium a me ka haʻahaʻa haʻahaʻa, a hoʻohana ʻia no ka hoʻoheheʻe ʻia ʻana o nā kiwi ma ka hana nui.

(2) Material A351 CF3M a me A182 F316L ʻokoʻa: ʻo nā kūlana ʻelua e pili ana i nā mea he 316 stainless steel.Hōʻike ka CF3M i ka hoʻolei ʻana, hoʻohana mau ʻia e like me nā mea valve.ʻO A182 F316L ke code kila forging.ʻO ka ASTM A216 WCB ke hoʻolei ʻana, a ʻo kona mau kala ʻana he A105;ʻO ka hoʻolei ʻana o SS304 ʻo A351-CF8, a ʻo A182-F304 ka forgings.

 


Ka manawa hoʻouna: Nov-07-2023