Aircoat / PowrCoat part 0533408 is a PTFE O-ring used to create a positive, chemical-resistant seal between components in the pump fluid section of compatible sprayers. This high-performance O-ring prevents fluid leaks, maintains pressure, and withstands aggressive solvents and coatings. It is an essential replacement seal during pump service on Aircoat 423 and PowrCoat 630 models.
| Part Number | 0533408 |
|---|---|
| Part Description | PTFE O-Ring |
| Brand | Aircoat / PowrCoat |
| Fits | Aircoat 423, PowrCoat 630 |
| Condition | New |
The Aircoat / PowrCoat 0533408 PTFE O-ring is a precision sealing component made from polytetrafluoroethylene (PTFE), a high-performance material known for its exceptional chemical resistance and low friction properties. It is designed to create a reliable static seal between mating surfaces in the pump fluid section.
PTFE O-rings offer superior resistance to solvents, water-based paints, and aggressive coatings that would degrade standard rubber O-rings. They maintain their sealing properties across a wide temperature range and provide long service life in demanding applications. Replacing worn or damaged PTFE O-rings during pump service ensures leak-free operation and consistent pressure.
| Creates leak-proof seal | Prevents fluid escape between static components |
|---|---|
| Chemical resistant | Withstands solvents, water-based paints, and corrosive fluids |
| Maintains pressure | Helps sustain proper operating pressure for consistent spray |
| Low friction | PTFE material allows easy assembly and disassembly |
| Visible leakage | Fluid seeping from sealed joints indicates O-ring failure |
|---|---|
| Loss of pressure | Internal bypass past a worn O-ring reduces output pressure |
| During disassembly | O-rings should always be replaced when a sealed joint is opened |
| Deformation or cuts | Physical damage prevents proper sealing |
Aircoat / PowrCoat part 0533408 is compatible with the following sprayer models. Always confirm the specific sealing location and O-ring dimensions before ordering.
| Brand / Model | Component |
|---|---|
| Aircoat 423 | PTFE O-Ring |
| PowrCoat 630 | PTFE O-Ring |
When servicing the fluid section, these components are often inspected or replaced alongside the PTFE O-ring to ensure a complete and reliable repair.
Includes all O-rings, back-up rings, and seals for a full fluid section overhaul.
Worn packings can cause leaks and pressure loss; replace during rebuild.
Inspect sealing surfaces for scratches or corrosion that could damage the new O-ring.
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