- SKU:彈簧微啟式外螺紋安全閥(A21H)Description:系列 SeriesA21F-16CA21H-16CA21H-40A21H-64A21Y-100A21H-160A21W-16PA21W-40PA21F-40PA21W-64PA21W-100PA21W-160PKA21Y-16CKA21Y-16PA21Y-16RA21Y-40RA21Y-64RA21Y-100RA21Y-160RA21F、A21H-C型適用于工作溫度≤200℃的空氣、氨、石油氣……等介質(zhì)的設備或管路上。A21W-P、R型適用于溫度≤200℃有腐蝕性的氣體或液體的設備或管路上,作為超壓保護裝置。KA21Y型適用于溫度≤100℃的液化石油氣等。A21F, A21H-C type are used for the equipment and pipeline of the air,ammonia, petroleum gas, etc. medium what the wor-king temperature are less than 200 . A21W-P, R type are used for the equipment and pipeline of the quality with corr ode gas and liquid medium shat the wor-king temperature are less than 200 . Take forextrapressure protection devices. KA21Y type are used for liquefied petroleum gas what the working temperature are lessthan 100主要零部件材料 Explanation of materials for main partsNO.Name of partA21H-C/A21F KA21Y-C MaterialsA21W-P/A21F-P KA21Y-P MaterialsA21Y-RMaterials1Union201Cr18Ni9Ti1Cr18Ni12Mo2Ti2Union nut352Cr131Cr18Ni9Ti3Nozzle351Cr18Ni9Ti1Cr18Ni12Mo2Ti4Body2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti5Disc2Cr13/2Cr13+PTFE1Cr18Ni9Ti/1Cr18nI9Ti+PTFE1Cr18Ni12Mo2Ti6Spring washer2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti7Spring50CrVA50CrVACoated Teflon50CrVACoated Teflon8Locking nutQ235-A2Cr131Cr18Ni9Ti9Spring guide2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10Adjusting nutQ235-A2Cr131Cr18Ni12Mo2TiSealing surface of material"Y" CoDepositing stellite, "H" D507 Depositing D507, "W"body外形尺寸和連接尺寸 Dimensions (mm)Type(DN)
Nominal diameterdodDoMd1D1LL1HKA21Y-16C A21H-16C A21H-40
A21W-16P A21W-40P KA21Y-16P15121520M271.5G1/2"3035766620162025M331.5G3/4"3440876825182531M391.5G1"4050100105A21Y-64
A21Y-64P A21Y-100
A21Y-100P15101525M391.5G1"44501006620102031M391.5G1"44501006825122531M391.5G1"4450100105A21W-160
/160P15820/M242G1"445010026120825/M332G1"445010026125828/M362G1"4450100285NO.零件名稱A21H-C/A21F材料A21W-P/A21F-P材料A21Y-R材料1管接頭201Cr18Ni9Ti1Cr18Ni12Mo2Ti2管接頭螺母352Cr131Cr18Ni9Ti3閥座351Cr18Ni9Ti1Cr18Ni12Mo2Ti4閥體2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti5閥瓣2Cr13/2Cr13+PTFE1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE1Cr18Ni12Mo2Ti6彈簧座2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti7彈簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料8鎖緊螺母Q235-AZG230-4501Cr18Ni9Ti9彈簧導向墊2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10調(diào)節(jié)螺母Q235-A2Cr131Cr18Ni12Mo2Ti密封面材料"Y"型堆焊Co基硬質(zhì)合金,"H"型堆焊D507,"W"型為閥門本體