📏 PVC Schedule 40 Female Adapter Size Chart
| Nominal Pipe Size (inches) | Outside Diameter (OD) | Inside Diameter (ID) |
|---|---|---|
| ½” | 0.840″ | ~0.602″ |
| ¾” | 1.050″ | ~0.804″ |
| 1″ | 1.315″ | ~1.029″ |
| 1¼” | 1.660″ | ~1.360″ |
| 1½” | 1.900″ | ~1.590″ |
| 2″ | 2.375″ | ~2.047″ |
| 2½” | 2.875″ | ~2.445″ |
| 3″ | 3.500″ | ~3.042″ |
| 4″ | 4.500″ | ~3.998″ |
| 6″ | 6.625″ | ~6.031″ |
| 8″ | 8.625″ | ~7.942″ |
Note: The nominal size refers to the inner diameter (ID) of the pipe, not the actual outer diameter (OD). The female adapter has:
One side with a socket/slip end for solvent welding.
The other side with female pipe threads (FPT) for threaded male fittings.
All fittings are typically rated under Schedule 40 or Schedule 80. Ensure compatibility with your pipe’s pressure rating and wall thickness.
Use Teflon tape or thread sealant when installing the threaded end to prevent leaks.
For potable water use, confirm that the fitting is NSF certified and meets ASTM D2466 (Schedule 40) or ASTM D1785 standards.
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