Part 13458 is a replacement upper ball stop disc for compatible SprayTech airless sprayers. This disc limits the travel of the check ball in the upper valve assembly, ensuring proper valve timing and preventing ball migration. When the original disc becomes worn, deformed, or damaged, replacement restores proper valve function.
| Part Number | 13458 |
|---|---|
| Part Description | Upper Ball Stop Disc |
| Brand | Universal |
| Fits | SprayTech Airless EP2300 SE; SprayTech Airless EP2300; SprayTech Airless EP2400 |
| Condition | New |
The 13458 upper ball stop disc is a direct replacement component for SprayTech Airless EP2300 SE, EP2300, and EP2400 sprayers. This precision disc is installed in the upper valve assembly of the pump, where it serves as a stop for the check ball. During pump operation, the check ball lifts off its seat to allow material to pass during the pressure stroke, then returns to the seat to prevent backflow during the intake stroke. The ball stop disc limits the upward travel of the ball, ensuring it lifts just enough for proper flow without excessive movement that could cause delayed seating or damage. A worn, deformed, or damaged disc can alter ball travel, leading to incomplete sealing, reduced pump efficiency, and erratic pressure. This replacement disc is manufactured to exact thickness and diameter specifications for proper fit and function. Installation requires access to the valve assembly and careful cleaning of all components. Regular inspection during pump service helps identify disc wear before it affects performance.
| Ball travel limit | Controls how far check ball lifts from seat |
|---|---|
| Valve timing | Ensures proper opening and closing timing |
| Flow regulation | Affects material flow through pump |
| Worn disc | Thickness reduced, allowing excess ball travel |
|---|---|
| Deformed shape | Disc no longer flat, affects ball seating |
| Loss of pressure | Pump cannot maintain set pressure |
| Erratic pressure | Pressure fluctuations from improper valving |
Upper ball stop disc 13458 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| SprayTech Airless EP2300 SE |
| SprayTech Airless EP2300 |
| SprayTech Airless EP2400 |
When replacing the upper ball stop disc, inspect these associated components to ensure proper valve function.
Inspect for wear, pitting, or deformation.
Check sealing surface for damage.
Ensure disc seats properly in housing.
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