Cov ntaub ntawv zoo li qub Cov npe ntawm kev yaig tsis kam ntawm cov khoom siv valve

Cov ntaub ntawv zoo li qub Cov npe ntawm kev yaig tsis kam ntawm cov khoom siv valve

Cov qauv siv feem ntau siv rau cov li qub tau teev nyob rau hauv daim ntawv no. Xws li GB / T 1220-92 stainless hlau qws GB / T 12225-2005 dav dav lub hom phiaj valve tooj liab alloy casting GB / T 12226-2005 dav dav lub hom phiaj valve grey cam khwb cia hlau kev mob GB / T 12227-2005 dav dav lub hom phiaj valve ductile cam khwb cia hlau technical conditions GB / T 12228-89 dav valve carbon steel forgings kev mob GB / T 12229-2005 valve tus qauv ..
Txheem rau cov khoom siv valve
National standard
GB / T 1220-92 Stainless hlau bar
GB / T 12225-2005 General lub hom phiaj valve tooj liab alloy castings - Technical specifications
GB/T 12226-2005 General hom phiaj valve grey cam khwb cia hlau specifications
GB / T 12227-2005 universal valve ductile hlau - Cov txheej txheem txheej txheem
GB / T 12228-89 dav dav valve carbon steel forging specifications
Specification rau carbon steel castings ntawm GB / T 12229-2005 General hom phiaj li qub
GB / T 12230-2005 General hom phiaj valve austenite castings technical specifications
GB / T 12459-2005 steel pob tw welded seamless yeeb nkab fittings
GB / T 699-99 pawg carbon structural steel
GB / T 2967-89 Cam khwb cia tungsten carbide
GB / T 3087-99 Seamless steel raj rau qis thiab nruab nrab siab boilers
GB / T 3091-2001 Welded steel hlab rau kev thauj khoom tsis tshua muaj siab
GB / T 6479-2000 Seamless steel raj rau cov khoom siv chiv siab
GB / T 8491-87 Corrosion resistant cam khwb cia hlau
GB / T 9457-88 Thaum tshav kub kub resistant cam khwb cia hlau
Seamless steel raj rau roj av tawg
GB / T 17107-97 Cov qauv hlau rau forging - qib thiab cov khoom siv kho tshuab
GB / T 17395-1998 Seamless steel yeeb nkab qhov ntev, zoo li, qhov hnyav thiab qhov sib txawv
GB / T 18983-2003 roj quenched tempering caij nplooj ntoos hlav hlau
Seamless steel raj rau cov kav dej cryogenic
GB / T 19189-2003 tempering steel phaj rau cov hlab ntsha siab
Mechanical standard
JB/T 5300-91 Universal valve khoom
JB / T 6438 - 1992 Cov kev cai tshwj xeeb rau plasma arc surfacing ntawm valve sealing nto
JB / T 6617 - 1993 Kev qhia tshwj xeeb ntawm kev hloov pauv graphite ntim nplhaib rau li qub
JB / T 7248 - 1994 Kev qhia tshwj xeeb rau cov hlau tsis tshua muaj hlau castings rau li qub
JB / T 7744 - 1995 Alloy hmoov rau ntshav arc surfacing ntawm valve sealing nto
JB / T 7744 - 1995 Alloy hmoov rau ntshav arc surfacing ntawm valve sealing nto
JB / T 9142 - 1999 Kev qhia tshwj xeeb rau kev txhim kho corrosion retarded asbestos ntim rau li qub
JB/T 5263-2005 Steel casting qhov chaw rau fais fab chaw nres tsheb li qub
JB/T 10507-2005 Hlau bellows rau li qub
Chromium vanadium caij nplooj ntoos hlav hlau rau li qub
Petroleum txuj
Sh3401-3410-1996 Sau cov qauv rau cov khoom siv petrochemical pipeline
Yog xav paub ntxiv, saib Phau Ntawv Qhia rau Cov Qauv
Valve lub cev loj feem ntau yuav tsum tau ua raws li cov qauv kev cai, tshwj xeeb tshaj yog nyob rau hauv txoj kab uas hla loj, kev sib txuas qhov kawg - flange kev twb kev txuas kawg, taub qab vuam kawg, lub tes tsho vuam kawg, lub qhov ncauj kawg thiab nto qhov deb, ntau hom li qub feem ntau muaj cov qauv siv sib txawv. Tau xa mus rau ASMEB16.34, API, EN12516, DIN, GB, JIS thiab lwm yam li qub thiab actuator kev twb kev txuas hom Iron King valve siv ISO5211 platform thiab actuator txuas. Xws li lub platform siab tsim pob valve tuaj yeem ntsia ncaj qha nrog tus actuator; Tsawg thiab nruab nrab platform tsim pob li qub…
Daim ntawv teev cov erosion kuj ntawm cov ntaub ntawv
BRONZE
ALUMINIUMBRONZE
Nce tsis kam mus yaig
ALLOY20MONEL
Hastellloyd BC (Nickel puag alloys B thiab C)
HOM 316 (316 Stainless hlau)
HOM 304 (304 Stainless hlau)
KMONEL17-4PH4ORC (17-4 Stainless hlau)
Hom 41640RCINCOLNEL
Hom 304TYPE316ALLOY6FACEDTYPE44060RC (440 stainless hlau)
CHROMETUNGSTENCARB>
CERAMIC
Table 8 Kev Siv Kub Kub ntawm cov khoom siv feem ntau siv lub rooj zaum muag muag Valve Lub Cev Loj Valve lub cev loj feem ntau yuav tsum ua tau raws li cov qauv kev cai, tshwj xeeb tshaj yog nyob rau hauv txoj kab uas hla loj, kev sib txuas kawg - flange kawg, taub qab welded kawg, lub tes tsho welded kawg, lub qhov ncauj kawg thiab lub ntsej muag nrug. Ntau hom li qub feem ntau muaj cov qauv siv sib txawv. Xa mus rau ASMEB16.34, API, EN12516, DIN, GB, JIS, thiab lwm yam
Cov xov xwm siv tau xa mus rau Table 6 "Corrosion Resistance Table of Metallic Materials"
Foob qib
Executive mechanism
Hom actuator valve thiab actuator kev twb kev txuas hom Iron King valve txais ISO5211 platform thiab actuator kev twb kev txuas. Xws li lub platform siab tsim pob valve tuaj yeem ntsia ncaj qha nrog lub actuator; Pob li qub tsim los rau qis thiab nruab nrab platforms tuaj yeem txuas nrog lub valve platform nrog cov khoom sib txuas, thiab tom qab ntawd tus actuator txuas nrog lub bracket.
Actuator xaiv lub hauv paus ntsiab lus: valve hom, specification, qauv valve qhib thiab kaw torque
Sib piv cov kub ambient kub thiab dej kub
Hom kev siv thiab lub sijhawm siv
Qhib thiab kaw ceev thiab lub sij hawm qia txoj kab uas hla thiab kev taw qhia ntawm kev sib hloov
Hom kev sib txuas rau valve
Lub zog tsis muaj zog: hluav taws xob fais fab mov siab, theem naj npawb, pneumatic cua siab
Kev txiav txim siab tshwj xeeb: tsis tshua muaj kub, tawg-pov thawj, tsis muaj dej, hluav taws kub thiab lwm yam dav dav lossis tsis xav tau kev tswj tsis siv neeg lub valve xaiv "phau ntawv"; Qhib thiab kaw nrawm xaiv "pneumatic"; Tsis siv neeg tswj thiab chaw taws teeb tswj valve xaiv "hluav taws xob"; Inflammable thiab explosive pipeline xaiv "explosion-proof type" valve feem ntau siv cov ntaub ntawv
Cov khoom siv hlau
WCB / A105 carbon hlau
Feem ntau siv valve lub cev thiab cov khoom siv sab hauv. Nws feem ntau yog siv rau huab cua, hydrocarbons, tsis-corrosive kua thiab gases, saturated chav thiab superheated chav nyob rau hauv qhov kub ntawm -29 ℃ to 426 ℃.
Cam khwb cia hlau tus qauv tooj: ASTMA216WCB / DIN17245 - 1.0619 / AFNORA48C - M / BS1504-16 / JISSCPH2.
Lub npe lag luam: GS-C25N / WCB. Forged steel coj tus qauv tooj: ASTMA105.
Cov npe lag luam: GS-C25N, WCB (cadt) / A105 (forge)
LCB Tsawg kub carbon steel
Cov khoom siv no tsuas yog siv rau huab cua, hydrocarbons, cov kua dej uas tsis muaj corrosive thiab gases, saturated chav thiab superheated chav nyob rau hauv qhov kub ntawm -45 ℃ to 345 ℃.
Tus naj npawb ntawm cov cam khwb cia hlau yog ASTMA352gr.LCB/DIN17245-1.1138/AFNORFB-M/BS1504-161/JISSCPL1.
Lub npe lag luam: GS-CK24, LCB
WC6 siab kub carbon steel
Cov khoom siv no yog tsim rau qhov kub thiab txias vim nws txoj kev nkag siab zoo. Los ntawm qhov pom ntawm kev tiv thaiv corrosion, haum rau qhov kub ntawm -28 ℃ to 593 ℃ hydrocarbons, kua thiab gases, non-corrosive vaporizer, saturated chav thiab superheated chav. WC6 yog qhov nyuaj rau nrum dua WCB, thiab nws kuj nyuaj dua rau vuam.
Cam khwb cia hlau tus qauv tooj: ASTMA217WC6 / DIN17245 - 1.7357 / AFNOR15CD505 - M / BS1504-621 / JISSCPH21.
Lub npe lag luam: GS17CrMo55, WC6.
WC9 siab kub carbon steel
WC9 thiab WC6 yog tib yam khoom, haum rau tib qhov nruab nrab WC6, tab sis qhov kub thiab txias ntau dua, -28 ℃ to 595 ℃. Vuam los yog vuam yog qhov nyuaj heev.
Cam khwb cia hlau tus qauv tooj: ASTMA217WC9 / DIN17245 - 1.7357 / AFNOR15CD505 - M / BS1504-621 / JISSCPH21.
Lub npe lag luam: WC9
316 / CF8M stainless hlau
316 stainless hlau feem ntau yog siv rau corrosive media, xws li cov organic lossis inorganic acids, tab sis tsis yog rau hydrochloric, sulfuric thiab phosphoric acid. Nws cov corrosion kuj zoo dua 304. Vim muaj cov molybdenum, cov creep kuj ntawm qhov kub thiab txias yog txhim kho. Qhov ntsuas kub zoo li ntawm -253 ℃ to 815 ℃.
Cam khwb cia hlau tus qauv tooj: ASTMA351CF8M / AISI316 / DIN17445-1.4408 / AFNORZ6CND18 c15 / JISSCS14A. 10.3 M/BS1505-316
Raws li tus qauv: forged steel ASTMA182 / A240gr F316 / AISI316 / DIN17440-1.4401
G-X6CrNiMo1810 (cast) / X5CrNiMo1810 (forge)
316L / CF3M Stainless hlau
316L stainless hlau yog hom qis-carbon ntawm 316, nrog kev txhim kho vuam kev ua tau zoo thiab siab dua corrosion tsis kam tshaj 316 ntawm qhov kub thiab txias. Daim ntawv thov kev mob zoo ib yam li ntawm 316, nrog rau qhov kub thiab txias ntawm 455 ℃.
Cam khwb cia hlau tus qauv tooj: ASTMA351CF3M / AISI316L / DIN17440-1.4404 / AFNORZ2CND18 c12 / JISSCS16A. 12.3 M/BS1504-316
Lub npe lag luam: 316L