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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Low-Pressure Aluminum Threaded Pipe Fittings
In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications. To prevent cracking, do not tighten more than a 1/4-turn past hand tight.
For technical drawings and 3-D models, click on a part number.
Plugs with Square Drive
- For Use With: Air, Oil, Water
- Pressure Class: 150
- Pipe Nipples and Pipe: Use Schedule 40 aluminum
- Flanges: Use Class 125 aluminum
| Pipe Size  | Plug Construction | Max. Pressure | Each | |
NPT Male | ||||
|---|---|---|---|---|
| 3/8 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 1/2 | Solid | 150 psi @ 72° F | 000000000 | 0000 |
| 3/4 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 1 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 1 1/4 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 1 1/2 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 2 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 2 1/2 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 3 | Solid | 150 psi @ 72° F | 000000000 | 00000 |
| 4 | Solid | 150 psi @ 72° F | 000000000 | 000000 |