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Titan 0533525 Pipe Plug

Titan 0533525 Pipe Plug

Sourced From:
Titan Tools Inc.

 

Titan part 0533525 is a pipe plug used to seal unused threaded ports on the AirCoat 423 spray system. Common applications include capping test ports, unused manifold outlets, or drain openings to prevent fluid leakage and contamination.

Part Number 0533525
Part Description Pipe Plug
Brand Titan
Fits
  • AirCoat 423
Condition New

$13.8

 

Pipe Plug for AirCoat 423 Spray System

The Titan 0533525 Pipe Plug is an OEM threaded plug designed for the AirCoat 423 spray system. It is used to seal unused female ports on manifolds, pump housings, or fluid passages, preventing leakage, contamination, and pressure loss.

Pipe plugs can become damaged due to overtightening, corrosion, or thread galling. A missing or damaged plug can cause fluid leaks, air ingestion, or debris entry. Replacing with an OEM pipe plug ensures correct thread fit, proper sealing, and reliable operation.

Service Guidance: When installing a pipe plug, use thread sealant on tapered (NPT) threads. Do not overtighten – snug plus 1–2 turns is sufficient. Inspect the port threads for damage before installation. Replace the plug if the hex drive or threads are stripped.

What it does and when to replace it

What the pipe plug does
Seals unused ports Prevents fluid leaks from inactive threaded openings
Contamination barrier Keeps dirt and debris out of the fluid system
Pressure retention Maintains system pressure by closing off unneeded passages
When replacement is recommended
Cracked or broken plug Visible damage from overtightening or impact
Stripped threads Plug spins or will not tighten properly
Corrosion or pitting Rust or chemical attack compromising seal
Persistent leakage Fluid seeps past the plug even after proper installation

Compatibility

Titan part 0533525 is a direct replacement pipe plug for the following spray system. Verify thread size (e.g., 1/8″ NPT, 1/4″ NPT) and type using your parts diagram.

Brand / Model Components
AirCoat 423 Pipe Plug

Related parts commonly serviced together

When replacing a pipe plug, inspect or replace these associated components for a complete seal repair.

Thread sealant / tape

Use fresh sealant rated for paint solvents on tapered threads. Do not use tape on straight threads.

Port threads (female)

Inspect for damage or debris that could prevent a proper seal.

Adjacent fittings

If the plug was removed for access, check nearby fittings for leaks.

Frequently Asked Questions

It is an OEM pipe plug for the AirCoat 423 spray system, used to seal unused threaded ports and prevent leaks.

Thread size is specific to the AirCoat 423. Common sizes include 1/8″ NPT, 1/4″ NPT, or metric. Always compare with your original plug or consult the parts diagram.

For NPT (tapered) threads, yes – use a sealant rated for paint solvents. For straight threads with a sealing washer or O‑ring, no sealant is needed. Check your service manual.

Tighten NPT plugs until snug plus 1–2 turns – do not overtighten, which can crack the plug or housing. Use a wrench on the hex drive. If the plug has a straight thread with O‑ring, tighten until the O‑ring contacts the sealing face, then an additional ¼ turn.