
H76H對夾雙瓣蝶式止回閥結(jié)構(gòu)特點及應(yīng)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  | -  | -  | -  | -  |