We are Leading Dimensions Socket Weld Flanges & Stud Bolts ASME B16.5
| CLass | 150 | 300 | 600 | 900 | 1500 | 2500 |
|---|---|---|---|---|---|---|
| DIA A | 30 | 38 | 38 | 38 | 38 | 43 |
| DIA D | 90 | 95 | 95 | 120 | 120 | 135 |
| THK B | 11.2 | 14.3 | 20.7 | 28.7 | 28.7 | 36.6 |
| DIA G | 35.1 | 35.1 | 35.1 | 35.1 | 35.1 | 35.1 |
| DIA K | 60.3 | 66.7 | 66.7 | 82.6 | 82.6 | 88.9 |
| H | 15.6 | 22.6 | 28.4 | 38.4 | 38.4 | 46.4 |
| NO. L | 4 | 4 | 4 | 4 | 4 | 4 |
| DIA L | 15.9 | 15.9 | 15.9 | 22.2 | 22.2 | 22.2 |
| Stud Bolts Diameter x Length | ||||||
| DIA (in) | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 |
| lgth (mm) | 55 | 65 | 75 | 110 | 110 | 120 |
Notes
- Dimensions are in millimeters unless otherwise indicated.
- The length of the Stud Bolt does not include the height of the chamfers (points).
- The length of the Stud Bolts includes one Spiral Wound Gasket with a 4.5mm thick sealing element, which is compressed to 3mm while tightening the Raised Face flange connection.
- Important! please read this short article
Dimensional Tolerances of Threaded Flanges ASME B16.5
Tolerances not listed in ASME B16.5 2013
≤ 24 = 1.6 mm
> 24 = ± 3.2 mm
Within Limits on Boring Gauge
Bolt Circle = 1.6 mm
Bolt Hole Spacing = ± 0.8 mm
≤ 2.1/2 = 0.8 mm max
≥ 3 = 1.6 mm max
≤ 12 = + 2.4 mm / - 1.6 mm
≥ 14 = ± 3.2 mm
Same as for Inside Diameter
≤ 18 = + 3.2 mm / - 0
≥ 20 = + 4.8 mm / - 0
≤ 18 = + 3.2 mm / - 0.8 mm
≥ 20 = + 4.8 mm / - 1.6 mm
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face
Tongue & Groove / Male-Female
± 0.4 mm
Studs are measured parallel to the axis (L) from the first to the thread without the chamfers (points). S = free threads equals 1/3 time bolt dia
Hex bolts are measured from under the head to the end of the bolt
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