Zida zama valve wamba Mndandanda wa kukana kukokoloka kwa zida zokhazikika za valve

Zipangizo zamavavu wamba Mndandanda wa kukana kukokoloka kwa zida zofananira za mavavu Miyezo yomwe imagwiritsidwa ntchito kwambiri pamavavu yalembedwa mu pepalali. Kuphatikizapo GB/T 1220-92 chitsulo chosapanga dzimbiri ndodo GB/T 12225-2005 general cholinga valavu mkuwa aloyi kuponyera GB/T 12226-2005 general cholinga valavu imvi kuponyedwa chitsulo mikhalidwe luso GB/T 12227-2005 general cholinga vavu ductile kuponyedwa chitsulo mikhalidwe luso GB/T 12228-89 wamba mpweya zitsulo forgings luso zinthu GB/T 12229-2005 valavu muyezo castings - specifications luso GB/T 12226-2005 General cholinga valavu imvi kuponyedwa chitsulo specifications GB/T 12227-2005 universal vavu ductile chitsulo - Technical zinthu GB/T 12228-89 general valve carbon steel forging specifications Mafotokozedwe a carbon steel castings of GB/ T 12229-2005 General cholinga mavavu GB/T 12230-2005 General cholinga valavu austenite castings luso specifications GB/T 12459-2005 zitsulo butt welded opanda msoko zoikapo chitoliro GB/T 699-99 misa mpweya structural chitsulo GB/T 2967-89 Cast tu. carbide GB/T 3087-99 Machubu opanda zitsulo otsika ndi apakati othamanga ma boilers GB/T 3091-2001 Machubu achitsulo otenthetsera otsika kuthamanga kwamadzimadzi GB/T 6479-2000 Machubu opanda zitsulo opangira zida zamagetsi zamagetsi GB/T 8491-87 Chitsulo chosamva kutentha kwa chitsulo GB/T 9457-88 Chitsulo chosasunthika chachitsulo chosamva kutentha kwamafuta GB/T 17107-97 Zitsulo zomangira -- magiredi ndi zida zamakina GB/T 17395-1998 Miyeso ya chitoliro chosasunthika, mawonekedwe, kulemera ndi zololeka zopatuka GB/T 18983-2003 mafuta kuzimitsa kutentha masika waya Machubu chitsulo chosakanizika kwa mipope cryogenic GB/T 19189-2003 kutentha mbale zitsulo zotengera mphamvu Mawotchi muyezo JB/T 5300-91 Universal vavu zakuthupi JB/T 64392 -- Zofunikira paukadaulo wa plasma arc pamwamba pa ma valve osindikizira JB/T 6617 -- 1993 Mafotokozedwe aukadaulo a mphete yosinthira ya graphite ya mavavu JB/T 7248 -- 1994 1994 ukadaulo wopangira zitsulo zotsika kutentha kwa mavavu JB/T 7744 -- 1995 Alloy ufa wa plasma arc pamwamba pa malo osindikizira ma valve JB/T 7744 -- 1995 Alloy ufa wa plasma arc pamwamba pa malo osindikizira ma valve JB/T 9142 -- 1999 Mafotokozedwe aukadaulo a kulongedza kwa asbestosi wocheperako kwa mavavu JB35 Steel2020 mbali za mavavu opangira magetsi JB/T 10507-2005 Mivulo yachitsulo ya mavavu Chromium vanadium mavavu opangira mavavu Muyezo wa Petroleum Sh3401-3410-1996 Kutoleredwa kwa Miyezo ya zipangizo zamapaipi a petrochemical Kuti mudziwe zambiri, onani Buku la Malangizo a Vavu ya Miyezo kukula kwa thupi kumayenera kukumana zina zofunika muyezo, makamaka m'mimba mwake kukula, mawonekedwe kugwirizana mapeto - flange kugwirizana mapeto, matako kuwotcherera mapeto, manja kuwotcherera mapeto, pakamwa pakamwa ndi mtunda pamwamba, mitundu yosiyanasiyana ya mavavu zambiri ndi mfundo zosiyana ntchito. Angatchule ASMEB16.34, API, EN12516, DIN, GB, JIS ndi ma valve ena ndi actuator kugwirizana mode Iron King valavu pogwiritsa ntchito ISO5211 nsanja ndi actuator kugwirizana. Monga valavu yapamwamba yopangira pulatifomu imatha kukhazikitsidwa mwachindunji ndi actuator; Ma valve otsika ndi apakatikati a pulaneti ya mpira... Mndandanda wa kukana kukokoloka kwa zipangizo BRONZE ALUMINUMBRONZE Kuchulukitsa kukana kukokoloka ALLOY20MONEL Hastellloyd BC (Nickel base alloys B ndi C) TYPE316 (316 Stainless Steel) TYPE304 (304 Stainless Steel-4PH417 KMONEL) -4 Chitsulo chosapanga dzimbiri) TYPE41640RCINCOLNEL TYPE304TYPE316ALLOY6FACEDTYPE44060RC (440 chitsulo chosapanga dzimbiri) CHROMETUNGSTENCARB> CERAMIC Table 8 Yogwira Kutentha kwa zida zofewa zomwe zimagwiritsidwa ntchito nthawi zambiri Valve Thupi, nthawi zambiri zolumikizana ndi makulidwe amtundu wa Valve, makulidwe amkati amkati amkati amayenera kukumana matako welded mapeto, manja welded mapeto, pakamwa ndi mtunda wa nkhope. Mitundu yosiyanasiyana ya ma valve nthawi zambiri imakhala ndi miyezo yosiyana yogwiritsira ntchito. Onani ku ASMEB16.34, API, EN12516, DIN, GB, JIS, ndi zina zotere zogwiritsa ntchito zimatchula Table 6 "Corrosion Resistance Table of Metallic Materials" Seal grade Executive mechanism Mtundu wa actuator valavu ndi actuator yolumikizira valavu ya Iron King imatengera nsanja ya ISO5211 ndi kugwirizana kwa actuator. Monga valavu yapamwamba yopangira pulatifomu imatha kukhazikitsidwa mwachindunji ndi actuator; Ma valve a mpira omwe amapangidwira mapulatifomu otsika ndi apakatikati amatha kulumikizidwa ku nsanja ya valve ndi bulaketi yofananira, ndiyeno actuator imalumikizidwa ndi bulaketi ya Actuator kusankha mfundo: mtundu wa valavu, mawonekedwe, kutsegulidwa kwa ma valve ndi kutseka kozungulira Yerekezerani kutentha kozungulira komanso Kutentha kwamadzimadzi Njira yogwiritsira ntchito ndi nthawi yogwiritsira ntchito Kutsegula ndi kutseka liwiro ndi nthawi Kuthamanga kwa tsinde ndi njira yozungulira Njira yolumikizira valavu Mphamvu zamagetsi: mphamvu yamagetsi yamagetsi, nambala yagawo, kuthamanga kwa mpweya wa pneumatic Kuganizira mwapadera: kutentha kochepa, kuphulika-kuphulika, madzi, moto ndi zina zonse kapena safuna kulamulira basi valavu kusankha "Buku"; Vavu yotsegula ndi kutseka mwachangu sankhani "pneumatic"; Kuwongolera ndi valavu yakutali kusankha "magetsi"; Kusankha mapaipi oyaka ndi kuphulika "mtundu wosaphulika" valavu zomwe zimagwiritsidwa ntchito nthawi zambiri Zipangizo zachitsulo WCB/A105 Chitsulo cha Carbon Zomwe zimagwiritsidwa ntchito nthawi zambiri valavu ndi zida zamkati. Nthawi zambiri amagwiritsidwa ntchito ngati mpweya, ma hydrocarbon, zakumwa zopanda dzimbiri ndi mpweya, nthunzi yodzaza ndi nthunzi yotentha kwambiri pakutentha kwa -29 ℃ mpaka 426 ℃. Kutaya zitsulo lolingana nambala muyezo: ASTMA216WCB/DIN17245 -- 1.0619/AFNORA48C -- M/BS1504-16/JISSCPH2. Dzina lodziwika bwino lamalonda: GS-C25N/WCB. Chitsulo chopangidwa ndi nambala yofananira: ASTMA105. Mayina wamba amalonda: GS-C25N, WCB (cadt) /A105(Forge) LCB Kutentha kochepa kwa carbon steel Zinthuzi zimagwiritsidwa ntchito makamaka ngati mpweya, ma hydrocarbon, zakumwa zosawononga ndi mpweya, nthunzi yodzaza ndi nthunzi yotentha kwambiri pakutentha kwa - 45 ℃ mpaka 345 ℃. Nambala yofananira yazitsulo zotayidwa ndi ASTMA352gr.LCB/DIN17245-1.1138/AFNORFB-M/BS1504-161/JISSCPL1. Common malonda dzina: GS-CK24, LCB WC6 mkulu kutentha mpweya zitsulo Zinthu zimenezi ndi oyenera kutentha zinthu chifukwa cha zabwino zokwawa kukana. Kuchokera pamalingaliro achitetezo cha dzimbiri, oyenera kutentha kwapakati pa -28 ℃ mpaka 593 ℃ ma hydrocarboni, zakumwa ndi mpweya, vaporizer yosawononga, nthunzi yodzaza ndi nthunzi yotentha kwambiri. WC6 ndiyovuta kuyiyika kuposa WCB, komanso ndiyovuta kuyiwotcherera. Kutaya zitsulo lolingana nambala muyezo: ASTMA217WC6/DIN17245 -- 1.7357/AFNOR15CD505 -- M/BS1504-621/JISSCPH21. Dzina lamalonda: GS17CrMo55, WC6. WC9 mkulu-kutentha mpweya zitsulo WC9 ndi WC6 ndi zinthu zomwezo, oyenera sing'anga chomwecho WC6, koma osiyanasiyana kutentha ndi apamwamba, -28 ℃ kuti 595 ℃. Kukonza kuwotcherera kapena kuwotcherera ndikovuta kwambiri. Kutaya zitsulo lolingana nambala muyezo: ASTMA217WC9/DIN17245 -- 1.7357/AFNOR15CD505 -- M/BS1504-621/JISSCPH21. Common malonda dzina: WC9 316/CF8M zitsulo zosapanga dzimbiri 316 zitsulo zosapanga dzimbiri nthawi zambiri ntchito TV zikuwononga, monga zidulo organic kapena inorganic, koma osati hydrochloric, sulfuric ndi asidi phosphoric. Kukana kwake kwa dzimbiri kuli bwino kuposa 304. Chifukwa cha kukhalapo kwa molybdenum, kukana kwa chiwombankhanga pa kutentha kwakukulu kumakhala bwino. Kutentha kofananira kumayambira -253 ℃ mpaka 815 ℃. Kutaya zitsulo lolingana muyezo nambala: ASTMA351CF8M/AISI316 / DIN17445-1.4408 / AFNORZ6CND18 c15 / JISCS14A. 10.3 M/BS1505-316 Nambala yofananira: chitsulo chonyezimira ASTMA182 / A240gr F316 / AISI316 / DIN17440-1.4401 G-X6CrNiMo1810 (kuponyedwa)/X5CrNiMo1810(opanda chitsulo /CF16Mtundu wa chitsulo31Mpanda) pa 316, ndi ntchito yowotcherera bwino komanso kukana kwa dzimbiri kuposa 316 pa kutentha kwakukulu. Mkhalidwe wa ntchito ndi wofanana ndi wa 316, ndi kutentha kwakukulu kwa 455 ℃. Kutaya zitsulo lolingana muyezo nambala: ASTMA351CF3M/AISI316L/DIN17440-1.4404 / AFNORZ2CND18 c12 / JISCS16A. 12.3 M/BS1504-316 Dzina lodziwika bwino la malonda: 316L