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White Lasco 4-inch Schedule 40 PVC slip cap (part 447-040) shown from side and top view on a white background, socket end visible and domed top

Lasco 447-040 PVC Schedule 40 4 in Slip Cap, Socket End, White

Brand: PVC
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$17.45
$13.09
SKU 447040
In Stock (38)

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Lasco 447-040 Schedule 40 PVC 4 in Slip Cap provides a reliable, long-lasting way to seal the end of 4-inch nominal Schedule 40 PVC pipe. Molded from durable PVC, this socket-style cap resists corrosion and delivers a secure solvent-weld connection for plumbing, irrigation, pool, and drainage systems.

  • Material: Schedule 40 PVC (PVC Type 1, cell classification 12454-B) suitable for standard plumbing applications.
  • Size: Nominal 4 in; fits standard 4 in Schedule 40 pipe with a slip (socket) connection.
  • Color & Dimensions: White finish; nominal length approximately 3.5 in (3-1/2 in).
  • Temperature Rating: Rated up to 140°F; not recommended for compressed air or gas service.
  • Standards & Safety: Manufactured to ASTM D1784 and commonly listed as NSF-safe for potable water; weighted average lead ≤0.25%.
  • Installation: Clean pipe, apply PVC primer and solvent cement, push cap fully and allow full cure before pressure testing.

Designed for contractors and homeowners, this cap is ideal for permanent or temporary end sealing, capping future branch lines, and protection during installation. Check technical documents for carton and pallet quantities, UPC, and warranty information.

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Frequently Asked Questions

What pipe does this cap fit?
This cap fits standard 4 in nominal Schedule 40 PVC pipe with a slip (socket) connection.
How should I install the 447-040 cap?
Use PVC primer and solvent cement for a permanent solvent-weld bond; push the cap fully and allow the cement to cure before pressurizing.
Is this cap safe for potable water systems?
Lasco Schedule 40 PVC fittings are commonly listed as NSF-safe for potable water and meet ASTM D1784 standards.
What temperature and uses are appropriate for this cap?
Rated to about 140°F; suitable for plumbing, irrigation, pools and general water distribution, not for compressed air or gases.

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