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详细介绍
弹簧全启封闭式高压安全阀适用范围
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、氮氢混合气等介质的设备或管路上 ，A42Y-160P/P、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或管路上，作为超压保护装置，连接法兰按JB/T2769-92的标准。
弹簧全启封闭式高压安全阀产品型号
| A42Y-160 | A42Y-160P | A42Y-160R |
| A42Y-320 | A42Y-320P | A42Y-320R |
弹簧全启封闭式高压安全阀主要零部件材料 Meterial for main parts
| 序号 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-320 R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 site | |||
弹簧全启封闭式高压安全阀主要连接尺寸（mm）Size of main connection
| 公称通径 DN Nominal Diameter | 尺寸（mm）Size | |||||||||||||||
| d0 | d | M | K | D | Z-￠d | b | d1 | M1 | k1 | D1 | Z1-￠d1 | 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 | 165 | 165 | 400 |
| 50 | 25 | 59 | M64*3 | 115 | 165 | 6-￠26 | 32 | 80 | M100*3 | 170 | 225 | 6-￠33 | 50 | 180 | 180 | 495 |
| 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 | 165 | 165 | 400 |
| 50 | 25 | 70 | M80*3 | 145 | 200 | 6-￠29 | 40 | 80 | M100*3 | 170 | 225 | 6-￠33 | 50 | 180 | 180 | 495 |
| A42Y-400 | ||||||||||||||||
| 32 | 15 | 41 | M48*2 | 95 | 135 | 4-￠22 | 25 | 50 | M64*3 | 115 | 165 | 6-￠26 | 32 | 150 | 150 | 397 |
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