Graco 15K030 Packing Nut 145 180 cc
$100.80
$112.50
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The Graco 15K030 Packing Nut (145‑180 cc) is engineered to retain the packing assembly in larger volume pump models, ensuring strong fluid seal integrity.
- Packing nut designed for 145‑180 cc models
- OEM quality for larger pump systems
- Prevents fluid bypass and maintains pump performance
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Genuine OEM Part
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Graco 15K030 Packing Nut 145‑180 cc – Product Overview
Compatible Machines
- Graco pump assemblies sized 145‑180 cc
- Large capacity airless sprayers specifying this part
The Graco 15K030 Packing Nut (145‑180 cc) is built for larger‑volume applications where the packing bore is larger and fluid flow is higher. This nut ensures that the packing remains compressed properly and the seal stays intact under higher loads and pressures.
| Key Feature | Description |
|---|---|
| Correct Size for 145‑180 cc Applications | Matches OEM dimensions for that capacity range. |
| Robust Design | Handles higher pressure and fluid volume. |
| Sealing Performance | Prevents leaks in large pump systems. |
| Eases Maintenance | Allows faster nut replacement when servicing the packing. |
Installation & Usage Tips
- Depressurize the system before servicing.
- Inspect the packing and shaft for wear or scoring.
- Tighten the nut to manufacturer‑specified torque to avoid over‑compression.
- Run a check after installation for any signs of leakage.
Frequently Asked Questions
A wrong size nut may mis‑compress the packing, cause leaks, or damage the shaft seal — always match to capacity range.
Refer to Graco’s torque specification for your pump model; too tight can damage packing, too loose causes leaks.
Change the nut when you replace packing, or if you notice fluid seepage or packing movement during operation.
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