A42Y-160/220/250/320/400C/P/R型弹簧全启封闭式高压安全阀用途
A42Y-160/320型碳钢弹簧全启封闭式高压安全阀适用于工作温度≤300°C的空气、氮氢混合气等介质的设备和管路上。A42Y-160P/R. A42Y-320P/R型不锈钢弹簧全启封闭式高压安全阀适用于工作温度≤200°C有腐蚀性气体的设备和管路上，作为超压保护装置。
连接法兰按JB/T2769-2008的标准。
A42Y-160/220/250/320/400C/P/R型弹簧全启封闭式高压安全阀主要连接尺寸
型号
| 公称通径 DN(mm) | do | d' | M | D | K | z-Φd | b | di | C | Mi | Di | Ki | zi-Φd | bi | Li | L | H |
A42Y-160/220 | 15 | 8 | 20 | M24x2 | 95 | 60 | 3-18 | 20 | 29 | 37 | M42x2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 280 |
20 | 10 | 27 | M33x2 | 105 | 68 | 3-18 | 20 | 29 | 37 | M42x2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 280 | |
25 | 12 | 28 | M36x2 | 110 | 75 | 3-18 | 20 | 40 | 47 | M52x2 | 165 | 115 | 6-26 | 28 | 125 | 125 | 314 | |
32 | 15 | 37 | M42x2 | 115 | 80 | 4-18 | 22 | 50 | 59 | M64x3 | 165 | 115 | 6-26 | 32 | 150 | 150 | 390 | |
40 | 20 | 47 | 165 | 115 | 6-26 | 28 | 65 | 74 | M80x3 | 200 | 145 | 6-29 | 40 | 165 | 165 | 495 | ||
50 | 25 | 59 | M64x3 | 165 | 115 | 6-26 | 32 | 80 | 94 | M100x3 | 225 | 170 | 6-33 | 45 | 180 | 180 | 510 | |
A42Y-250/320 | 15 | 8 | 27 | M33x2 | 105 | 68 | 3-18 | 20 | 29 | 37 | M42x2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 280 |
20 | 10 | 32 | M36x2 | 110 | 75 | 3-18 | 22 | 29 | 37 | M42x2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 280 | |
25 | 12 | 35 | M42x2 | 115 | 80 | 4-18 | 22 | 40 | 47 | 165 | 115 | 6-26 | 28 | 125 | 125 | 314 | ||
32 | 14 | 41 | M48x2 | 135 | 95 | 4-22 | 25 | 50 | 59 | M64x3 | 165 | 115 | 6-26 | 32 | 150 | 150 | 390 | |
40 | 18 | 58 | M64x3 | 165 | 115 | 6-26 | 32 | 65 | 74 | M80x3 | 200 | 145 | 6-29 | 40 | 165 | 165 | 495 | |
50 | 23 | 70 | M80x3 | 200 | 145 | 6-29 | 40 | 80 | 94 | M100x3 | 225 | 170 | 6-33 | 45 | 180 | 180 | 510 | |
A42Y-400 | 32 | 15 | 41 | M48x2 | 135 | 95 | 4-22 | 25 | 50 | 59 | M64x3 | 165 | 115 | 6-26 | 32 | 150 | 150 | 397 |
