SprayTech part 0294520 is a lower leather V-ring used in the fluid section of the SprayTech EP2510 airless sprayer. This leather packing provides a dynamic seal around the piston, preventing fluid leakage and maintaining consistent pressure during operation. Replacing a worn or hardened V-ring restores pump efficiency and prevents blow‑by.
| Part Number | 0294520 |
|---|---|
| Part Description | Lower Leather V-ring (packing) |
| Brand | SprayTech |
| Fits | SprayTech Airless EP2510 |
| Condition | New |
The SprayTech 0294520 Lower Leather V‑ring is an OEM replacement packing used in the fluid section of the SprayTech EP2510 airless paint sprayer. This leather V‑ring functions as a dynamic seal that rides on the piston, preventing fluid from leaking past the piston during the high‑pressure stroke. It is typically installed in the lower packing stack and works in conjunction with the upper V‑ring and other seals to maintain pump efficiency.
Leather V‑rings offer excellent resistance to a wide range of coatings and provide long service life when properly maintained. Over time, the leather can dry out, harden, or become worn, leading to fluid blow‑by, pressure loss, and reduced output. Replacing a worn lower V‑ring with this genuine part restores a tight seal and consistent spray performance.
| Dynamic sealing | Seals against the piston to prevent fluid leakage during the pressure stroke. |
|---|---|
| Pressure retention | Helps maintain consistent operating pressure for smooth spray patterns. |
| Piston support | Works with the upper V‑ring to keep the piston centered in the cylinder. |
| Pressure loss / surging | Inconsistent pressure or failure to maintain set pressure. |
|---|---|
| Fluid leakage | Paint leaking from the packing nut or weep hole. |
| Reduced output | Lower flow rate even with proper motor operation. |
| Worn / hardened leather | Visible wear, cracking, or loss of flexibility during inspection. |
SprayTech part 0294520 is a direct replacement lower leather V‑ring for the following model:
| Brand / Model | Application |
|---|---|
| SprayTech Airless EP2510 | Lower V‑ring packing for fluid section |
Always replace both upper and lower V‑rings as a matched set to ensure proper sealing and balance.
Inspect the piston for scoring or wear; replace if damaged to prevent premature seal failure.
The cylinder bore must be in good condition for the V‑rings to seal effectively.
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