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              |  A43H双联弹簧式安全阀 | 返回 |  
              |  |  
              | 产品名称:A43H双联弹簧式安全阀 |  
              | 产品型号:A38Y、A43H、A37H |  
              | 产品介绍: 产品详细资料:   本阀门适用于工作温度≤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/T94的系列 
 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,其公称通径系列指Y型接头进口通径,其组合情况如下表:
 
| A38Y型 | 相应的A48Y型 |  
| 50 | 32×2 |  
| 80 | 50×2 |  
| 100 | 65×2 |  
| 150 | 100×2 |  
 
| A43Y型 | 相应的A47Y型 |  
| 50 | 32×2 |  
| 80 | 50×2 |  
| 100 | 80×2 |  
| 125 | 100×2 |  
| 150 | 125×2 |  
 
| A37Y型 | 相应的A47Y型 |  
| 50 | 32×2 |  
| 80 | 65×2 |  
| 100 | 80×2 |  
| 125 | 100×2 |  
| 150 | 125×2 |  外形尺寸和连接尺寸: 
| 型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-ød | DN' | D1 | K1 | g2 | b1 | f' | Z1-ød1 | 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 |  |  
              | 效 果 图:(如下所示) |  
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