| 弹簧微启式安全阀(A61Y) A61-160,A61-320适用于工作温度≤200℃的空气、氨、石油气等介质的设备和管路上,A61Y-160P,A61Y-320P型适用于温度≤200℃有腐蚀性的气体或液体的设备和管路上,作为超压保护装置。 主要零部件材料 Explanation of materials for main parts | NO. | Name of part | A61H-C A61Y-C Materials | A61Y-P Materials | 1 | Union | 20 | 1Cr18Ni9Ti | 2 | Union nut | 35 | 1Cr18Ni9Ti | 3 | Nozzle | 2Cr13 | 1Cr18Ni9Ti | 4 | Body | 35/35CrMoA | 1Cr18Ni9Ti | 5 | Disc | 2Cr13 | 1Cr18Ni9Ti | 6 | Guide | 2Cr13 | 1Cr18Ni9Ti | 7 | Spring | 50CrVA | 50CrVA Coated Teflon | 8 | Stem | 2Cr13 | 2Cr13 | 9 | Bonnet | ZG230-450 | 1Cr18Ni9Ti | 10 | Adjusting bolt | 45 | 2Cr13 | 11 | Cap | ZG200-400 | 1Cr18Ni9Ti | | Sealing surface of material | "Y" Co Depositing stellite, "H" D507 Depositing D507 | 外形尺寸和连接尺寸 Dimensions (mm) | Nominal pressure PN(MPa) | Nominal diameter DN(mm) | Dimensions | do | D | D1 | D2 | L | L1 | H | 16 | 10 | 6 | 17 | 14 | 12 | 115 | 135 | 78 | 15 | 8 | 22 | 18 | 16 | 115 | 135 | 85 | 20 | 10 | 28 | 22 | 20 | 115 | 135 | 135 | 25 | 12 | 35 | 26 | 24 | 160 | 165 | 142 | 32 | 10 | 6 | 22 | 14 | 12 | 115 | 135 | 80 | 15 | 8 | 25 | 17 | 15 | 115 | 135 | 90 | 20 | 10 | 30 | 22 | 20 | 115 | 135 | 140 | 25 | 12 | 38 | 26 | 24 | 160 | 165 | 148 | | | |
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