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 khoom 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 general valve carbon steel forgings technical conditions GB / T 12229-2005 valve standard .. 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 Kev qhia tshwj xeeb GB / T 12226-2005 General lub hom phiaj valve grey cam khwb cia hlau specifications GB / T 12227-2005 universal valve ductile hlau - Cov txheej txheem GB / T 12228-89 general valve carbon steel forging specifications Specification rau carbon steel castings ntawm GB / T 12229-2005 Lub hom phiaj dav dav GB / T 12230-2005 Lub hom phiaj dav dav valve austenite castings kev qhia tshwj xeeb GB / T 12459-2005 steel pob tw welded seamless yeeb nkab fittings GB / T 699-99 pawg carbon structural steel GB / T 2967-89 Carbide GB / T 3087-99 Seamless steel hlab rau qis thiab nruab nrab siab boilers GB / T 3091-2001 Welded steel hlab rau cov dej tsis tshua muaj siab thauj GB / T 6479-2000 Seamless steel hlab rau siab siab chiv khoom 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 hlab rau roj av tawg GB / T 17107-97 Cov yam ntxwv steels forging - qib thiab txhua yam khoom GB / T 17395-1998 Seamless steel yeeb nkab qhov ntev, tsos, hnyav GB / T 18983-2003 roj quenched tempering caij nplooj ntoos hlav hlau Seamless steel hlab rau cryogenic kav GB / T 19189-2003 tempering steel phaj rau siab hlab ntsha Mechanical standard JB/T 5300-91 Universal valve khoom JB/T 6438 - 1992 TS EN 6617-1993 Kev qhia tshwj xeeb ntawm cov plasma arc surfacing ntawm valve sealing qhov chaw JB / T 6617 - 1993 Kev qhia tshwj xeeb ntawm cov khoom siv graphite packing nplhaib rau li qub JB / T 7248 - 1994 Kev qhia tshwj xeeb rau qhov kub thiab txias steel castings rau li qub JB / T 7744 - 1995 Alloy JB/T 7744 - 1995 Alloy hmoov rau plasma arc surfacing ntawm valve sealing nto JB / T 9142 - 1999 Kev qhia tshwj xeeb rau corrosion retarded asbestos packing rau li qub JB / T 5263-200 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 standard Sh3401-3410-1996 Sau cov qauv rau petrochemical pipeline cov ntaub ntawv Rau ntau cov qauv, saib Phau Ntawv Qhia rau Standards Valve lub cev loj feem ntau yuav tsum tau raws li Qee cov qauv yuav tsum tau muaj, tshwj xeeb tshaj yog nyob rau hauv txoj kab uas hla, qhov kev sib txuas ntawm qhov kawg - flange kev twb kev txuas kawg, taub qab vuam kawg, lub tes tsho vuam kawg, lub qhov ncauj kawg thiab qhov chaw 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 lub actuator; Tsawg thiab nruab nrab platform tsim pob li qub... Daim ntawv teev cov khoom tiv thaiv kev yaig BRONZE ALUMINUMBRONZE Ua kom muaj zog tiv thaiv kev yaig ALLOY20MONEL Hastellloyd BC (Nickel puag alloys B thiab C) TYPE316 (316 Stainless hlau) TYPE304 (304 Stainless hlau) KMONEL17 (17-4PH) -4 Stainless Steel) TYPE41640RCINCOLNEL TYPE304TYPE316ALLOY6FACEDTYPE44060RC (440 stainless hlau) CHROMETUNGSTENCARB> CERAMIC Table 8 Muaj Kev Kub Kub ntau ntawm cov khoom siv feem ntau siv lub rooj zaum muag muag Valve Lub Cev Loj Valve lub cev loj feem ntau yuav tsum tau ua raws li cov qauv kev cai, tshwj xeeb tshaj yog nyob rau hauv qhov kawg ntawm txoj kab uas hla 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 ntaub ntawv siv tau xa mus rau Table 6 "Corrosion Resistance Table of Metallic Materials" Seal grade Executive mechanism Hom actuator valve thiab actuator kev sib txuas hom Iron King valve txais ISO5211 platform thiab kev sib txuas ntawm actuator. 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 txoj cai hauv paus: valve hom, specification, qauv valve qhib thiab kaw torque Sib piv siab ambient kub thiab Kev siv dej kub hom kev siv thiab lub sij hawm siv qhib thiab kaw ceev thiab lub sij hawm qia txoj kab uas hla thiab cov kev taw qhia ntawm kev sib hloov hom kev sib txuas rau valve Fais fab tsis: hluav taws xob fais fab mov siab, theem tus naj npawb, pneumatic huab cua siab Kev txiav txim siab tshwj xeeb: tsis tshua muaj kub, tawg-pov thawj, waterproof, fireproof thiab lwm yam dav dav los yog tsis xav tau kev tswj tsis siv neeg lub valve xaiv "phau ntawv"; Ceev qhib thiab kaw valve xaiv "pneumatic"; Tsis siv neeg tswj thiab chaw taws teeb tswj valve xaiv "hluav taws xob"; Cov kab hluav taws xob tawg thiab tawg tau xaiv "explosion-proof type" valve feem ntau siv cov khoom siv hlau Cov ntaub ntawv WCB / A105 Carbon steel Feem ntau siv valve lub cev thiab cov ntaub ntawv 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 feem ntau: GS-C25N, WCB (cadt) / A105 (forge) LCB Cov pa roj carbon monoxide qis cov khoom siv no yog siv rau huab cua, hydrocarbons, cov kua dej tsis zoo thiab cov pa roj carbon monoxide, saturated steam thiab superheated steam hauv qhov kub thiab txias ntawm - 45 ℃ to 345 ℃. Tus naj npawb ntawm cov cam khwb cia hlau yog ASTMA352gr.LCB/DIN17245-1.1138/AFNORFB-M/BS1504-161/JISSCPL1. Hom kev lag luam npe: GS-CK24, LCB WC6 siab kub carbon steel Cov khoom no yog tsim rau kub kub vim nws zoo creep kuj. 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 high-temperature carbon steel WC9 thiab WC6 belongs rau 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. Hom kev lag luam npe: 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 yog zoo dua 304. Vim muaj molybdenum, cov creep kuj ntawm kub kub yog zoo dua. Qhov kub thiab txias ntawm -253 ℃ to 815 ℃. Cam khwb cia hlau tus qauv tooj: ASTMA351CF8M / AISI316 / DIN17445-1.4408 / AFNORZ6CND18 c15 / JISSCS14A. 10.3 M / BS1505-316 Cov qauv tooj: forged steel ASTMA182 / A240gr F316 / AISI316 / DIN17440-1.4401 G-X6CrNiMo1810 (cam khwb cia) / X5CrNiMo1810 (forge stainless hlau) hom CF131 16, nrog kev txhim kho vuam kev ua tau zoo thiab siab dua corrosion kuj 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