The Graco 15H468 Piston Packing 3‑5″ is a heavy‑duty sealing set for piston rods 3 to 5 inches in diameter, designed to restore pump sealing and reduce rod leakage.
Fits 3‑5″ diameter piston rods
High‑integrity sealing for large‑rod pumps
Durable, low‑friction design for extended service life
Compatible Machines for the 15H468 Piston Packing 3‑5″
Graco pumps using 3‑5″ diameter piston rods requiring packing replacement
Industrial coating or transfer systems where rod packing failure leads to performance loss
Product Overview
The 15H468 Piston Packing 3‑5″ is specifically sized for pumps with 3‑5 inch diameter rod assemblies and provides high‑integrity sealing around the rod. It maintains pressure, resists fluid bypass and helps extend pump life by reducing wear from fluid leakage or rod contaminants.
Manufactured with precise tolerance control, this packing assembly allows smooth rod travel, minimal friction and preserves pump efficiency in demanding environments.
Key Features
Feature
Description
Specified Rod Diameter Fit
Designed for 3‑5″ diameter rod applications to ensure proper sealing and mechanical fit.
High‑Integrity Seal
Prevents fluid bypass and reduces rod wear or contamination ingress.
Low‑Friction Operation
Manufactured to allow smooth piston motion and consistent performance.
Extended Service Life
Material and design choices reduce maintenance frequency in demanding service tasks.
Installation & Usage Tips
Lock out system and relieve all pressure before servicing the rod packing.
Remove old packing, inspect rod surface and bore for damage or scoring.
Fit the new 15H468 packing set, ensure correct seating and lubrication if required.
Reassemble properly, then test at low pressure and monitor rod seal performance before returning to full load.
???? Frequently Asked Questions
This packing set is specifically for piston rods with a nominal diameter between 3 to 5 inches — ensure your pump uses that size before ordering.
By renewing the packing around the large‑diameter rod, you restore correct sealing, reduce leakage and rod wear — all of which improve output consistency and service life.
No — it is specifically sized for 3‑5″ diameter rods. Using it on smaller rods will lead to improper sealing and may cause performance issues.
