彈簧微啟式外螺紋安全閥(A21H) SKU:彈簧微啟式外螺紋安全閥(A21H) Description:

 

系列Series A21F-16CA21H-16CA21H-40A21H-64A21Y-100A21H-160A21W-16PA21W-40PA21F-40PA21W-64PA21W-100PA21W-160PKA21Y-16CKA21Y-16PA21Y-16RA21Y-40RA21Y-64RA21Y-100RA21Y-160R A21F、A21H-C型適用于工作溫度≤200℃的空氣、氨、石油氣……等介質(zhì)的設(shè)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(shè)備或管路上，作為超壓保護(hù)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 parts NO.Name of partA21H-C/A21FKA21Y-C MaterialsA21W-P/A21F-PKA21Y-P MaterialsA21Y-RMaterials 1Union201Cr18Ni9Ti1Cr18Ni12Mo2Ti 2Union nut352Cr131Cr18Ni9Ti 3Nozzle351Cr18Ni9Ti1Cr18Ni12Mo2Ti 4Body2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti 5Disc2Cr13/2Cr13+PTFE1Cr18Ni9Ti/1Cr18nI9Ti+PTFE1Cr18Ni12Mo2Ti 6Spring washer2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti 7Spring50CrVA50CrVACoated Teflon50CrVACoated Teflon 8Locking nutQ235-A2Cr131Cr18Ni9Ti 9Spring guide2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti 10Adjusting nutQ235-A2Cr131Cr18Ni12Mo2Ti Sealing 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 diameterdodDoMd1D1LL1H KA21Y-16C A21H-16C A21H-40
A21W-16P A21W-40P KA21Y-16P15121520M271.5G1/2"30357666 20162025M331.5G3/4"34408768 25182531M391.5G1"4050100105 A21Y-64
A21Y-64P A21Y-100
A21Y-100P15101525M391.5G1"445010066 20102031M391.5G1"445010068 25122531M391.5G1"4450100105 A21W-160
/160P15820/M242G1"4450100261 20825/M332G1"4450100261 25828/M362G1"4450100285