1. Khoom Properties thiab Compatibility
Stainless hlau 304:
Kev sib xyaw18% chromium, 8% npib tsib xee, thiab sib npaug hlau.
Corrosion Resistance: Zoo corrosion kuj, tshwj xeeb tshaj yog tiv thaiv oxidation thiab corrosion nyob rau hauv ntau yam puag ncig, nrog rau me me corrosive ib puag ncig.
Mechanical Properties: Tensile zog ntawm txog 515 MPa thiab zoo ductility.
Thermal conductivity: Tsawg dua tooj liab, nyob ib ncig ntawm 16 W / m·K.
Tooj:
Kev sib xyaw: Ntshiab tooj liab (99.9%), nrog rau cov lej ntawm lwm cov khoom.
Corrosion Resistance: Zoo heev tiv thaiv rau atmospheric thiab aqueous ib puag ncig.
Mechanical Properties: Tensile zog ntawm txog 220 MPa; heev ductile thiab malleable.
Thermal conductivity: Siab, nyob ib ncig ntawm 385 W / m·K, ntau dua stainless hlau.
Galvanic Corrosion muaj peev xwm:
Electrochemical Series: Copper muaj peev xwm zoo electrode ntau dua li cov hlau tsis muaj steel, ua rau cov hlau tsis muaj steel anodic thiab tooj liab cathodic hauv ob peb galvanic. Qhov no txhais tau hais tias yog tias ob qho tib si txuas nrog lub xub ntiag ntawm electrolyte, cov hlau tsis muaj steel tuaj yeem ua rau corrode sai dua vim yog kev ua galvanic.
Kev Tiv Thaiv Kev Tiv Thaiv: Siv cov koom haum dielectric, los yog xyuas kom ib puag ncig qhuav thiab tsis-conductive, tiv thaiv electrolytic tiv tauj ntawm cov hlau.
2. Xovxwm Fittings Compatibility
Xovxwm Fitting Design:
Tooj xovxwm fittings feem ntau yog tsim los rau tooj liab tubing. Qhov kev txiav txim siab tsim lub foob los ntawm compressing O-ring tiv thaiv cov yeeb nkab nto. Qhov haum thiab foob nyob ntawm qhov tseeb qhov ntev thiab cov khoom siv ntawm cov yeeb nkab.
Stainless hlau xovxwm Fittings:
Qhov ntev: Stainless hlau kav tej zaum yuav muaj qhov sib txawv me ntsis piv rau cov kav dej tooj liab (piv txwv li, vim qhov sib txawv ntawm phab ntsa thickness). Qhov no tuaj yeem cuam tshuam rau kev sib khi ua haujlwm ntawm cov xovxwm fittings tsim rau tooj liab.
Hardness: Stainless hlau yog ib qho nyuaj tshaj li tooj liab, uas tuaj yeem cuam tshuam rau kev sib dhos ntawm qhov haum thiab O-ring thaum lub sijhawm teeb tsa. Kev ntsuas cov cuab yeej tsis raug tuaj yeem ua rau kev sib khi tsis raug lossis cov yeeb nkab puas.
3. Kev tshawb fawb thiab cov qauv
Kev lag luam Standards:
Copper Press Fittings: Feem ntau ua raws li cov qauv zoo li ASME B16.51, uas suav nrog qhov ntev, cov khoom siv, thiab cov qauv kev ua haujlwm rau cov xovxwm fittings rau cov raj tooj liab.
Stainless hlau fittings: Ua raws li cov qauv zoo li ASTM A403 lossis ASME B31.3 rau kev lag luam piping, uas qhia meej txog cov kev cai rau cov kav hlau stainless thiab fittings.
Case Studies thiab Kev Tshawb Fawb:
Galvanic Corrosion Research: Cov kev tshawb fawb tau pom tias nyob rau hauv ib puag ncig uas muaj cov dej noo thiab electrolytes (xws li, cov tshuab dej), kev sib cuag ncaj qha ntawm cov hlau tsis muaj steel thiab tooj liab uas tsis muaj kev tiv thaiv tuaj yeem ua rau cov hlau tsis muaj zog. Kev tshawb fawb los ntawm cov ntawv xov xwm corrosion engineering qhia tau hais tias dielectric fittings los yog tsis-conductive barriers yog zoo los txo qhov kev pheej hmoo no.
Kev sib koom ua ke: Cov kev ntsuam xyuas tau pom tias cov xovxwm fittings ntawm cov kav hlau stainless tuaj yeem tswj tau qhov sib koom ua ke ruaj ntseg yog tias cov fittings tshwj xeeb tsim los yog ntsuas rau stainless hlau. Txawm li cas los xij, kev siv tus qauv tooj liab xovxwm fittings ntawm stainless hlau tuaj yeem ua rau tsis ua haujlwm vim yog kev sib khi tsis raug lossis kev ntxhov siab ntau.
4. Cov kev coj ua zoo tshaj plaws rau kev teeb tsa
Dielectric Fittings:
Lub hom phiaj: Tiv thaiv kev sib cuag ntawm cov hlau-rau-hlau, txo qhov kev pheej hmoo ntawm galvanic corrosion.
Kev teeb tsa: Xyuas kom meej tias cov koom haum dielectric los yog flanges siv ntawm cov tooj liab haum thiab stainless hlau yeeb nkab. Cov no feem ntau muaj cov yas lossis roj hmab insulator uas hluav taws xob cais ob lub hlau.
Cov cuab yeej tsim nyog:
Xovxwm Cov Cuab Yeej: Siv cov cuab yeej thiab lub puab tsaig pom zoo los ntawm cov chaw tsim khoom haum, calibrated tshwj xeeb rau cov khoom siv (tooj liab lossis stainless hlau).
Kev soj ntsuam foob: Tom qab nias, tshuaj xyuas qhov sib koom ua ke kom ntseeg tau tias O-ring tau zoo compressed thiab tsis muaj qhov khoob lossis qhov tsis sib xws.
Environment Control:
Tswj dej noo: Xyuas kom meej tias lub kaw lus tau tsim los txo qis dej ntawm qhov sib koom ua ke, tshwj xeeb tshaj yog nyob rau hauv qhov chaw faus lossis ntub dej, vim qhov no tuaj yeem ua rau cov galvanic corrosion ntau dua.
5. Xaus
Kev sib txuas ntawm cov yeeb nkab stainless 304 nrog tooj liab xovxwm fittings yog ua tau tab sis yuav tsum tau ua tib zoo xav txog galvanic corrosion, haum compatibility, thiab tsim nyog installation. Cov koom haum dielectric, raug xovxwm fittings, thiab cov cuab yeej tshwj xeeb tsim rau daim ntawv thov no yog qhov tseem ceeb los xyuas kom muaj kev ruaj ntseg, ruaj khov kev sib txuas. Yog tias tsis raug kho kom raug, qhov sib koom ua ke tuaj yeem ua rau corrosion, xau, lossis tsis ua haujlwm.
Rau cov ntawv thov tshwj xeeb, kev sab laj nrog lub chaw tsim khoom lossis tus kws tshaj lij paub txog ob qho khoom siv thiab cov xovxwm fitting tshuab yog pom zoo kom ua raws li cov qauv tsim nyog thiab kev ntseeg tau ntev.