串聯衛生級隔膜閥有各種不同的角度和位置可供選擇。串聯閥有鍛 造材質或毛坯材質可供選擇（如圖所示）。
焊式（mm） No.KST220-1
| Size | ISO | 3A/BPE | DIN | BS | |||||
| OD | ID | OD | ID | OD | ID | OD | ID | ||
| DN8 | 12.7 | 9.4 | - | - | 11 | 8 | - | - | |
| DN10 | 12.7 | 9.4 | - | - | 13 | 10 | - | - | |
| DN15 | 12.7 | 9.4 | 12.7 | 9.4 | 18 | 15 | 12.7 | 9.5 | |
| DN20 | 19.1 | 15.8 | 19.1 | 15.8 | 22 | 19 | 19.1 | 15.9 | |
| DN25 | 25 | 22.6 | 25.4 | 22.1 | 28 | 25 | 25.4 | 22.2 | |
| DN32 | - | - | - | - | 35 | 32 | - | - | |
| DN40 | 38 | 35.6 | 38.1 | 34.8 | 40 | 37 | 38.1 | 34.9 | |
| DN50 | 51 | 48.6 | 50.8 | 47.5 | 52 | 49 | 50.8 | 47.6 | |
| DN65 | 63.5 | 60.3 | 63.5 | 60.2 | 70 | 66 | 63.5 | 60.3 | |
| DN80 | 76.1 | 72.9 | 76.2 | 72.9 | 85 | 81 | 76.2 | 73 | |
焊式（mm） No.KST220-3
| Size | ISO | 3A/BPE | DIN | BS | |||||
| OD | ID | OD | ID | OD | ID | OD | ID | ||
| DN8 | 25 | 9.4 | - | - | 34 | 8 | - | - | |
| DN10 | 25 | 9.4 | - | - | 34 | 10 | - | - | |
| DN15 | 25 | 9.4 | 25 | 9.4 | 34 | 15 | 25 | 9.5 | |
| DN20 | 25 | 15.8 | 25 | 15.8 | 34 | 19 | 25 | 15.9 | |
| DN25 | 50.5 | 22.6 | 50.4 | 22.1 | 50.5 | 25 | 50.5 | 22.2 | |
| DN32 | - | - | - | - | 50.5 | 32 | - | - | |
| DN40 | 50.5 | 35.6 | 50.4 | 34.8 | 50.5 | 37 | 50.5 | 34.9 | |
| DN50 | 64 | 48.6 | 63.9 | 47.5 | 64 | 49 | 64 | 47.6 | |
| DN65 | 77.5 | 60.3 | 77.5 | 60.2 | 91 | 66 | 77.5 | 60.3 | |
| DN80 | 91 | 72.9 | 90.9 | 72.9 | 106 | 81 | 91 | 73 | |
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