
H76H對夾雙瓣蝶式止回閥結構特點及應用范圍

| 公稱通徑 | PN1.0 | PN1.6 | PN2.5 | PN4.0 | PN6.4 | PN10.0 | ||||||
| L | D | L | D | L | D | L | D | L | D | L | D | |
| DN50 | 60 | 109 | 60 | 109 | 60 | 109 | 60 | 109 | 60 | 115 | 60 | 122 | 
| DN65 | 67 | 129 | 67 | 129 | 67 | 129 | 67 | 129 | 67 | 140 | 67 | 147 | 
| DN80 | 73 | 144 | 73 | 144 | 73 | 144 | 73 | 144 | 76 | 150 | 73 | 157 | 
| DN100 | 73 | 164 | 73 | 164 | 73 | 170 | 73 | 170 | 79 | 177 | 79 | 183 | 
| DN125 | 86 | 194 | 86 | 194 | 86 | 197 | 86 | 197 | 105 | 213 | 105 | 220 | 
| DN150 | 98 | 220 | 98 | 220 | 98 | 227 | 98 | 227 | 136 | 250 | 136 | 260 | 
| DN200 | 127 | 275 | 127 | 275 | 127 | 287 | 127 | 293 | 165 | 313 | 165 | 324 | 
| DN250 | 146 | 330 | 146 | 332 | 146 | 343 | 146 | 355 | 213 | 364 | 213 | 394 | 
| DN300 | 181 | 380 | 181 | 387 | 181 | 403 | 184 | 450 | 229 | 424 | 229 | 458 | 
| DN350 | 184 | 440 | 184 | 447 | 184 | 460 | 222 | 478 | - | - | - | - | 
| DN400 | 191 | 492 | 191 | 498 | 191 | 518 | 232 | 549 | - | - | - | - | 
| DN450 | 203 | 542 | 203 | 558 | 203 | 568 | - | - | - | - | - | - | 
| DN500 | 219 | 597 | 219 | 620 | 219 | 624 | - | - | - | - | - | - | 
| DN600 | 222 | 698 | 222 | 734 | 222 | 734 | - | - | - | - | - | - | 
| 公稱通徑 | 150Lb | 300Lb | 600Lb | |||
| 寸 | L | D | L | D | L | D | 
| 2" | 60 | 103 | 60 | 110 | 60 | 110 | 
| 21/2" | 67 | 122 | 67 | 129 | 67 | 129 | 
| 3" | 73 | 135 | 73 | 148 | 73 | 148 | 
| 4" | 73 | 173 | 73 | 180 | 79 | 192 | 
| 5" | 86 | 196 | 86 | 215 | 105 | 240 | 
| 6" | 98 | 222 | 98 | 250 | 136 | 265 | 
| 8" | 127 | 279 | 127 | 307 | 165 | 319 | 
| 10" | 146 | 339 | 146 | 361 | 213 | 399 | 
| 12" | 181 | 409 | 181 | 422 | 229 | 456 | 
| 14" | 184 | 450 | 222 | 485 | - | - | 
| 16" | 191 | 514 | 232 | 539 | - | - | 
| 18" | 203 | 549 | - | - | - | - | 
| 20" | 219 | 606 | - | - | - | - | 
| 24" | 222 | 717 | - | - | - | - | 
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