The black pipe fittings malleable screwed plug size is 1/2 inch for steam and water working pressure up to 150 pounds. It has a squared head.
| Head Type | : | Square |
| Length | : | 0.94 in |
| Material | : | Malleable Iron |
| Operating Temperature | : | -4 to 572 deg F |
| Pressure Rating | : | 300 psi |
| Schedule Rating | : | SCH 40 |
| Suitable for | : | For Closing and Terminating the End of a Pipe or Fitting |
| Nominal Size | : | 1/2 in |
| Connection Type | : | MPT |
