产品描述
产品概述
系列
A38Y-16C、A38Y-25、A38Y-40、A43H-16C、A43H-25、A43H-40、A37H-16C、A37H-25、A37H-40
用途
本阀门适用于工作温度≤ 350℃水、蒸气等介质的设备和管路上，作为超压保护装置。
连接法兰标准按 JB/T-94 系列 2 的标准。
主要零件与材质
A38Y、A43H、A37H 型安全阀除三通（材料 WCB）外，其余零件的材料均和 A47H、A48Y 型弹簧式安全阀相同。
A38Y、A43H、A37H 型双联安全阀是在 Y 型接头上装设两个同样规格的 A48Y 或 A47H 型安全阀而构成，其公称通径列
指 Y 型接头进口通径，其组合情况如下：
| 38Y型(DN) | 相应A48Y型(DN) | A43Y型(DN) | 相应A47Y型(DN) | A37Y型(DN) | 相应A47Y型(DN) |
| 50 | 32x2 | 50 | 32x2 | 50 | 32x2 |
| 80 | 50x2 | 80 | 50x2 | 80 | 65x2 |
| 100 | 65x2 | 100 | 80x2 | 100 | 80x2 |
| 150 | 100x2 | 125 | 100x2 | 125 | 100x2 |
| - | - | 150 | 125x2 | 150 | 125x2 |
* 内容仅供参考，更多需求请联系我们。
规格参数
| 型号 | DN | D0 | D | K | g | g1 | b | f | f1 | Z-Φd | DN' | D1 | k1 | g2 | b1 | f' | Z1-Φd1 | L | L1 | L0 | H | H |
| A37H-16C A43H-16C | 50 | 25 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 |
| 80 | 40 | 200 | 160 | 135 | - | 20 | 3 | - | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | |
| 80 | 50 | 200 | 160 | 135 | - | 20 | 3 | - | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | |
| 100 | 65 | 220 | 180 | 155 | - | 22 | 3 | - | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | |
| 125 | 80 | 250 | 210 | 185 | - | 22 | 3 | - | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | |
| 150 | 100 | 285 | 240 | 210 | - | 24 | 3 | - | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | |
| A37H-25 A43H-25 | 50 | 25 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 |
| 80 | 40 | 200 | 160 | 135 | - | 22 | 3 | - | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | |
| 80 | 50 | 200 | 160 | 135 | - | 22 | 3 | - | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | |
| 100 | 65 | 230 | 190 | 160 | - | 24 | 3 | - | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | |
| 125 | 80 | 270 | 220 | 188 | - | 28 | 3 | - | 8-26 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | |
| 150 | 100 | 300 | 250 | 218 | - | 30 | 3 | - | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | |
| A37H-40 A43H-40 | 50 | 25 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 |
| 80 | 40 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | |
| 80 | 50 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | |
| 100 | 65 | 230 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | |
| 125 | 80 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-26 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | |
| 150 | 100 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | |
| A38Y-16C | 50 | 20 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 |
| 80 | 32 | 200 | 160 | 135 | - | 22 | 3 | - | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | |
| 100 | 40 | 220 | 180 | 155 | - | 22 | 3 | - | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | |
| 150 | 80 | 285 | 240 | 210 | - | 24 | 3 | - | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | |
| A38Y-25 | 50 | 20 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 |
| 80 | 32 | 200 | 160 | 135 | - | 22 | 3 | - | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4=18 | 230 | 120 | 190 | 265 | 817 | |
| 100 | 40 | 230 | 190 | 160 | - | 24 | 3 | - | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | |
| 150 | 80 | 285 | 240 | 218 | - | 30 | 3 | - | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | |
| A38Y-40 | 50 | 20 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 |
| 80 | 32 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | |
| 100 | 40 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | |
| 150 | 80 | 285 | 240 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 |