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产品概述：A42Y弹簧全启高压安全阀具有结构简单、密封性能好、开启压力准确、排放能力大、回座压差小、调整方便等特点。
用于工作温度≤200℃的空气、氮氢混合气等介质的设备或管路上。作为超压保护装置。
A42Y弹簧全启高压安全阀主要零部件材料
| NO. | 零件名称Name of part | A42Y-160 | A42Y-160P A42Y-320P Materials | A42Y-160R A42Y-320R Materials |
| 1 | Flange | 35/35CrMoA | 2Cr13 | 1Cr18Ni12Mo2Ti |
| 2 | 阀 座 Nozzle | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 3 | 阀 体Body | 40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | 调 节 圈 Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 阀 瓣 Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 6 | Disc holder | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 7 | 导 向 套Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | 阀 盖Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
| 9 | 阀 杆 Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 10 | 弹 簧Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
| 11 | 调整螺杆 Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
| 12 | 阀 帽Cap | ZG200-400 | ZG200-400 | ZG200-400 |
|
| 密封面材料 | 堆焊Co基硬质合金 Co Depositing stellite | ||
A42Y弹簧全启高压安全阀(A42Y-160/320)外形尺寸和连接尺寸
| 型号 | 公称通径 | do | d | M | D | K | Z-φd | b | d1 | C | M1 | D1 | K1 | Z1-φd | b1 | L | L1 | ≈H |
| A42Y-160 | 15 | 8 | 20 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 263 |
| 20 | 10 | 27 | M33×2 | 105 | 68 | 3-18 | 20 | 29 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 263 | |
| 25 | 12 | 28 | M33×2 | 105 | 68 | 3-18 | 20 | 40 | 47 | M52×2 | 165 | 115 | 6-26 | 28 | 130 | 135 | 314 | |
| 32 | 15 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 50 | 59 | M64×3 | 165 | 115 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 20 | 47 | M52×2 | 165 | 115 | 6-26 | 28 | 65 | 74 | M80×3 | 200 | 145 | 6-29 | 40 | 180 | 165 | 495 | |
| 50 | 25 | 59 | M64×3 | 165 | 115 | 6-26 | 32 | 80 | 94 | M100×3 | 225 | 170 | 6-33 | 45 | 190 | 190 | 510 | |
| A42Y-320 | 15 | 8 | 27 | M33×2 | 105 | 68 | 3-18 | 20 | 29 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 263 |
| 20 | 10 | 32 | M36×2 | 110 | 75 | 3-18 | 22 | 29 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 263 | |
| 25 | 12 | 35 | M42×2 | 115 | 80 | 4-18 | 22 | 40 | 47 | M52×2 | 165 | 115 | 6-26 | 28 | 130 | 135 | 314 | |
| 32 | 14 | 41 | M48×2 | 135 | 95 | 4-22 | 25 | 50 | 59 | M64×3 | 165 | 115 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 18 | 58 | M64×3 | 165 | 115 | 6-26 | 32 | 65 | 74 | M80×3 | 200 | 145 | 6-29 | 40 | 180 | 165 | 495 | |
| 50 | 23 | 70 | M80×3 | 200 | 145 | 6-29 | 40 | 80 | 94 | M100×3 | 225 | 170 | 6-33 | 45 | 190 | 190 | 510 | |
| A42Y-400 | 32 | 15 | 41 | M48×2 | 135 | 95 | 4-22 | 25 | 50 | 59 | M64×3 | 165 | 115 | 6-26 | 32 | 150 | 150 | 397 |
若已经由设计单位选定我公司的《安全阀》系列，请按型号直接向上海剑泉泵阀公司销售部订购。当使用的场合非常重要或环境比较复杂时,请您尽量提供设计图纸和详细参数，由我们的技术专家为您审核把关。
