| Reference | Other description | system | Category | d (inch) | DN | b | d2 | d2(inch) | d6 | D | k (mm) | k(inch) | n | **Nm | g |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OAT012 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 1/2" | 15 | 13 | 16 | 5/8 | 28 | 97 | 60.3 | 2" 3/8 | 4 | 10 | 209 |
| OAT034 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 3/4" | 20 | 15 | 16 | 5/8 | 34 | 109 | 69.9 | 2" 3/4 | 4 | 15 | 316 |
| OAT100 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 1" | 25 | 17 | 16 | 5/8 | 42 | 117 | 79.4 | 3" 1/8 | 4 | 15 | 433 |
| OAT114 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 1 1/4" | 32 | 18 | 16 | 5/8 | 51 | 139 | 88.9 | 3" 1/2 | 4 | 20 | 702 |
| OAT112 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 1 1/2" | 40 | 19 | 16 | 5/8 | 62 | 149 | 98.4 | 3" 7/8 | 4 | 25 | 804 |
| OAT200 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 2" | 50 | 19 | 20 | 3/4 | 78 | 163 | 120.7 | 4" 3/4 | 4 | 35 | 918 |
| OAT212 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 2 1/2" | 65 | 19 | 20 | 3/4 | 92 | 186 | 139.7 | 5" 1/2 | 4 | 35 | 1155 |
| OAT300 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 3" | 80 | 20 | 20 | 3/4 | 111 | 198 | 152.4 | 6" | 4 | 35 | 1175 |
| OAT400 | **maximum recommended tightening torquen = number of bolts | Special parts and accessories | Flanges | 4" | 100 | 20 | 20 | 3/4 | 133 | 232 | 190.5 | 7" 1/2 | 8 | 35 | 1570 |
**maximum recommended tightening torque
n = number of bolts