Design standard of heat exchanger bull-plugs. Use this standard for study purposes only.
General Notes
- Dimension L. is equal to diameter
- Provide all drain-, vent- and thermometer connections with a bullplug
- For material see exchanger drawing
| Size | Diameter | Width across flats |
| 1/4" | 14 | 11 |
| 3/8" | 17 | 13 |
| 1/2" | 22 | 17 |
| 3/4" | 27 | 22 |
| 1" | 34 | 27 |
| 1 1/4" | 43 | 32 |
| 1 1/2" | 49 | 36 |
| 2" | 61 | 46 |
The next figure shows a typical design:
