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White Lasco Schedule 40 PVC 3-inch female threaded cap (FIPT), dome-top profile photographed at an angle showing threads and exterior finish.

Lasco Schedule 40 PVC 3" Female Threaded Cap (FIPT)

Brand: PVC
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$10.01
$7.51
SKU 448030
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Lasco 448-030 is a 3" Schedule 40 PVC cap with female pipe threads (FIPT), designed to securely close the end of 3-inch threaded PVC pipe. Made from Type 1 PVC and produced to industry standards, it provides reliable sealing for irrigation, pool, and plumbing applications.

  • Schedule 40 construction: fits 3-inch nominal pipe, white finish, dome-top cap profile.
  • Female threaded (FIPT) connection for easy installation over male pipe threads; no solvent required.
  • Material: Type 1 PVC, cell classification 12454-B; meets ASTM D2466 and is suitable for potable water systems (NSF/ANSI 14/61G).
  • Pressure rating approximately 190 PSI at 73°F; maximum service temperature about 140°F. Not for compressed air or gas.
  • Injection-molded, lead-free construction commonly used in irrigation, pool/spa, plumbing, and industrial systems.

Simple to install and maintain, the Lasco 448-030 cap provides a cost-effective, durable solution for capping threaded PVC lines. Inspect threads and use appropriate pipe thread sealant where required; do not use on pressurized systems containing gases or for compressed-air testing.

Available individually or in cartons; verify part number 448-030 for compatibility. For commercial projects, consult local codes and the manufacturer's technical documentation for pressure and temperature limits.

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Frequently Asked Questions

What size and thread type does this cap fit?
Fits 3-inch nominal Schedule 40 threaded PVC pipe with female pipe threads (FIPT). Verify part number 448-030 for compatibility.
Is this cap safe for potable water systems?
Yes. Made from Type 1 PVC and listed to NSF/ANSI 14/61G, this cap is suitable for potable water applications.
Can I use this cap for pressure testing or compressed-air systems?
No. Do not use the cap for compressed-air or gas applications; it is not rated for compressed-air testing.
What installation or sealing method should I use?
Use PTFE tape or an appropriate FPT sealant on the male threads, hand-start then wrench snug; inspect threads before assembly.