通过Vlong认证 
一、防腐法兰式电磁阀结构原理:
| DN(mm) | 螺纹 | 法兰 | ||||||||||
| L | L0 | L1 | H | G | L | L0 | L1 | H | D | D1 | N-D | |
| 2 | 38 | 34 | 36 | 60 | G1/8 | |||||||
| 4 | 45 | 34 | 82 | 60 | G1/4 | |||||||
| 6 | 50 | 34 | 82 | 85 | G1/4 | |||||||
| 8 | 50 | 38 | 92 | 95 | G3/8 | |||||||
| 10 | 50 | 38 | 92 | 95 | G3/8 | |||||||
| 15 | 65 | 38 | 92 | 125 | G1/2 | 115 | 58 | 92 | 145 | 59 | 65 | 4—14 |
| 20 | 75 | 67 | 100 | 135 | G3/4 | 125 | 67 | 100 | 155 | 105 | 75 | 4—14 |
| 32 | 90 | 75 | 100 | 160 | G1 | 140 | 75 | 100 | 180 | 115 | 85 | 4—14 |
| 40 | 120 | 87 | 110 | 215 | G1¼ | 160 | 87 | 110 | 235 | 140 | ||
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