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Due to the Holiday schedule this year, Superior Signal will be closing early on 12/24/2025 and reopening on 1/5/2026. Orders to be shipped in 2025 must be placed as early as possible the week of 12/15/2025, or sooner. Last shipping day of the year will be Tuesday 12/23/25. Orders to be recorded as 2025 orders must be placed by end of day Monday 12/22/25. Shipping will resume the week of 1/5/2026.

1 1/2" NPT Clean Seal Plug
1 1/2" NPT Clean Seal Plug1 1/2" NPT Clean Seal Plug1 1/2" NPT Clean Seal Plug

1 1/2" NPT Clean Seal Plug

$46.22 each

Clean-Seal® plugs are a quick and easy way to block off sections of building plumbing or plug the building outlet for a smoke test.  Re-usable and durable, Clean-Seal® plugs thread directly into any standard test tee to block plumbing lines for smoke testing or other applications, and come in a range of sizes to fit any need.

Clean Seal Pipe Plug
Clean Seal Pipe Plug
Clean Seal Pipe Plug

1 1/2" NPT Clean Seal Plug Features

  • Works in both plastic and cast-iron test tees
  • Natural rubber body provides a leak-free seal
  • High-impact ABS threads for maximum durability
  • Removable/replaceable tire inflation valve fitting

Pipe Plug Specs

Part # Size Inflation Pressure Max Back Pressure
P-271508 1.5" 30 psi 13 psi
P-271705 2" 35 psi 13 psi
P-271713 3" 35 psi 13 psi
P-271721 4" 35 psi 13 psi
P-271758 6" 25 psi 13 psi

Questions? Contact Us
To Order: Call 732-251-0800 or Find a Dealer