双联弹簧式安全阀
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详细信息
A38Y/A37Y/A43Y弹簧双联式安全阀
双联弹簧式安全阀适用于工作温度≤350℃的蒸汽、水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的系列1
A38Y弹簧双联式安全阀、A43H弹簧双联式安全阀、A37H弹簧双联式安全阀是在Y型接头上装设两个同样规格的A48Y或A47H型安全阀而构成,其公称通径系列指Y型接头进口通径,其组合情况如下表:
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弹簧双联式安全阀外形尺寸和连接尺寸
型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-?d | DN' | D1 | K1 | g2 | b1 | f' | Z1-?d1 | 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 | 16 | 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 | 235 | 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 |
| 20 | 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 | 300 | 250 | 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 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 |