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系列 Series
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A27H型适用于工作温度≤200℃的水、空气、蒸气等介质的设备或管路上。A27Y适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。
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A27H type are used for the equipment and pipeline of water, air, steam etc. medium what the working temperature areless than 200 . A27Y type are used for the equipment and pipeline of the quality with corrode me-dium what the workingtempe-rature are less than 200 . Take for extra pressure devices.
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主要零部件材料 Explanation of materials for main parts
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NO.
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Name of part
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A27H Materials
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A27W-P Materials
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A27W-RMaterials
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1
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Body
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HT350
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ZG1Cr18Ni9Ti
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ZG1Cr18Ni12Mo2Ti
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2
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Nozzle
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35
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ZG1Cr18Ni9Ti
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ZG1Cr18Ni12Mo2Ti
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3
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Adjusting ring
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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4
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Disc
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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5
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Spring
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50CrVA
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50CrVACoated Teflon
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50CrVACoated Teflon
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6
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Stem
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2Cr13
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2Cr13
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1Cr18Ni9Ti
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7
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Adjusting bolt
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45
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2Cr13
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1Cr18Ni9Ti
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8
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Cap
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ZG200-400
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ZG200-400
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1Cr18Ni9Ti
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Sealing surface of material
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D507 Depositing D507
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CoDepositing stellite
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10
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Adjusting nut
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Q235-A
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2Cr13
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1Cr18Ni12Mo2Ti
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Sealing surface of material
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"Y" CoDepositing stellite, "H" D507 Depositing D507, "W"body
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SKU:弹簧微启式安全阀(A27H)Description:系列 SeriesA27H型适用于工作温度≤200℃的水、空气、蒸气等介质的设备或管路上。A27Y适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。A27H type are used for the equipment and pipeline of water, air, steam etc. medium what the working temperature areless than 200 . A27Y type are used for the equipment and pipeline of the quality with corrode me-dium what the workingtempe-rature are less than 200 . Take for extra pressure devices.主要零部件材料 Explanation of materials for main partsNO.Name of partA27H MaterialsA27W-P MaterialsA27W-RMaterials1BodyHT350ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti2Nozzle35ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti3Adjusting ring2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti4Disc2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti5Spring50CrVA50CrVACoated Teflon50CrVACoated Teflon6Stem2Cr132Cr131Cr18Ni9Ti7Adjusting bolt452Cr131Cr18Ni9Ti8CapZG200-400ZG200-4001Cr18Ni9TiSealing surface of materialD507 Depositing D507CoDepositing stellite10Adjusting nutQ235-A2Cr131Cr18Ni12Mo2TiSealing surface of material"Y" CoDepositing stellite, "H" D507 Depositing D507, "W"body外形尺寸和连接尺寸 Dimensions (mm)Nominal diameter