| | a | D0 | 公称通径DN | b | d2 | d3 | A | h1 | a | D0 | 公称通径DN | b | d2 | d3 | A | h1 | h2 | mm | in | mm | in | 30 | 25 | 20 | 3/4 | 40 | 10 | M10 | 40 | 70 | 30 | 25 | 20 | 3/4 | 40 | 10 | M10 | 40 | 70 | 28 | 30 | 28 | 20 | 3/4 | 40 | 10 | M10 | 40 | 70 | 30 | 28 | 20 | 3/4 | 40 | 10 | M10 | 40 | 70 | 28 | 38 | 32 | 25 | 1 | 40 | 10 | M10 | 48 | 76 | 38 | 32 | 25 | 1 | 40 | 10 | M10 | 48 | 76 | 31 | 38 | 34 | 25 | 1 | 40 | 10 | M10 | 48 | 76 | 38 | 34 | 25 | 1 | 40 | 10 | M10 | 48 | 76 | 31 | 46 | 38 | 32 | 11/4 | 50 | 10 | M10 | 56 | 86 | 46 | 38 | 32 | 11/4 | 50 | 10 | M10 | 56 | 86 | 37 | 46 | 42 | 32 | 11/4 | 50 | 10 | M10 | 56 | 86 | 46 | 42 | 32 | 11/4 | 50 | 10 | M10 | 56 | 86 | 37 | 52 | 44.5 | 40 | 11/2 | 50 | 10 | M10 | 62 | 92 | 52 | 44.5 | 40 | 11/2 | 50 | 10 | M10 | 62 | 92 | 40 | 52 | 48 | 40 | 11/2 | 50 | 10 | M10 | 62 | 92 | 52 | 48 | 40 | 11/2 | 50 | 10 | M10 | 62 | 92 | 40 | 64 | 57 | 50 | 2 | 50 | 12 | M12 | 76 | 109 | 64 | 57 | 50 | 2 | 50 | 12 | M12 | 76 | 109 | 49 | 64 | 60 | 50 | 2 | 50 | 12 | M12 | 76 | 109 | 64 | 60 | 50 | 2 | 50 | 12 | M12 | 76 | 109 | 49 | 82 | 76 | 65 | 11/2 | 50 | 12 | M12 | 94 | 125 | 82 | 76 | 65 | 11/2 | 50 | 12 | M12 | 94 | 125 | 57 | 94 | 89 | 80 | 3 | 50 | 12 | M12 | 94 | 138 | 94 | 89 | 80 | 3 | 50 | 12 | M12 | 94 | 138 | 66 | 120 | 108 | 100 | 21/2 | 60 | 16 | M16 | 106 | 171 | 120 | 108 | 100 | 21/2 | 60 | 16 | M16 | 106 | 171 | - | 120 | 114 | 100 | 3 | 60 | 16 | M16 | 136 | 171 | 120 | 114 | 100 | 3 | 60 | 16 | M16 | 136 | 171 | - | 148 | 133 | 125 | 4 | 60 | 16 | M16 | 136 | 191 | 148 | 133 | 125 | 4 | 60 | 16 | M16 | 136 | 191 | - | 148 | 140 | 125 | 4 | 60 | 16 | M16 | 164 | 191 | 148 | 140 | 125 | 4 | 60 | 16 | M16 | 164 | 191 | - | 176 | 159 | 150 | - | 60 | 16 | M16 | 192 | 217 | 176 | 159 | 150 | - | 60 | 16 | M16 | 192 | 217 | - | 176 | 167 | 150 | - | 60 | 16 | M16 | 192 | 217 | 176 | 167 | 150 | - | 60 | 16 | M16 | 192 | 217 | - | 202 | 14 | 175 | - | 60 | 16 | M16 | 218 | 249 | 202 | 14 | 175 | - | 60 | 16 | M16 | 218 | 249 | - | 228 | 219 | 200 | - | 70 | 20 | M20 | 248 | 283 | 228 | 219 | 200 | - | 70 | 20 | M20 | 248 | 283 | - | 282 | 273 | 250 | - | 70 | 20 | M20 | 302 | 334 | 282 | 273 | 250 | - | 70 | 20 | M20 | 302 | 334 | - | 332 | 299 | 00 | - | 70 | 20 | M20 | 352 | 385 | 332 | 299 | 00 | - | 70 | 20 | M20 | 352 | 385 | - | 332 | 325 | 300 | - | 70 | 20 | M20 | 352 | 385 | 332 | 325 | 300 | - | 70 | 20 | M20 | 352 | 385 | - | 378 | 351 | 350 | - | 70 | 24 | M24 | 402 | 435 | 378 | 351 | 350 | - | 70 | 24 | M24 | 402 | 435 | - | 378 | 368 | 350 | | 70 | 24 | M24 | 402 | 435 | 378 | 368 | 350 | | 70 | 24 | M24 | 402 | 435 | - | ![](http://www.czyy.sh.cn/images/images/004/32_.jpg) | |