主要特点
A42Y-160/320型弹簧全启封闭式高压安全阀适用于工作温度≤200℃的空气、氨氢混合气等介质的设备和管路上。A42Y-160P/320P、A42Y-160R/320R型弹簧全启封闭式高压安全阀适用于工作温度≤200℃有腐蚀性介质的设备和管路上，作为超压保护装置。上海一环生产的以上型号的阀门连接法兰按JB/t2769-92的标准。
适用范围
城建、化工、冶金、石油、制药、食品、饮料、环保
产品概述
弹簧全启封闭式高压安全阀 结构图
弹簧全启封闭式高压安全阀外形及连接尺寸
| 型号 Type | 公称通径 (DN) | do | d | M | K | D | Z-Фd | b | d1 | M1 | K1 | D1 | Z1-Фd1 | b1 | L | L1 | H |
| A42Y -160 | 15 | 8 | 20 | M24×2 | 60 | 95 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
| 20 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
| 25 | 14 | 28 | M33×2 | 68 | 105 | 3-18 | 20 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
| 32 | 15 | 37 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 20 | 47 | M52×2 | 115 | 165 | 6-26 | 28 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
| 50 | 25 | 59 | M64×3 | 115 | 165 | 6-26 | 32 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
| A42Y -320 | 15 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
| 20 | 8 | 30 | M33×2 | 75 | 110 | 3-18 | 22 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
| 25 | 14 | 35 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
| 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 20 | 58 | M64×3 | 115 | 165 | 6-26 | 32 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
| 50 | 25 | 70 | M80×3 | 145 | 200 | 6-29 | 40 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
| A42Y-400 | 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 397 |
弹簧全启封闭式高压安全阀主要零部件材料
| NO. | 零件名称 Name of part | A42Y-160 A42Y-320 材料 Materials | A42Y-160P A42Y-320P 材料 Materials | A42Y-160R A42Y-320R 材料 Materials |
| 1 | 法兰 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 | 反冲盘 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包覆氟塑料 Coated Teflon | 50CrVA包覆氟塑料 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 Sealing surface of material | 堆焊Co基硬质合金 Depositing stellite | |||
<
<
<
<
