Graco 177156 Packing O-Ring
$9.00
In Stock
The Graco 177156 Packing O‑Ring provides a dependable seal for high-pressure airless spray systems — preventing leaks and ensuring smooth, consistent paint delivery in demanding coatings applications.
- Reliable Seal: Prevents fluid leakage and maintains stable pressure
- Chemical & Pressure Resistant: Withstands coatings, solvents, and high‑pressure cycles
- Universal Fit: Compatible with many Graco sprayer pump and regulator assemblies
- Low Maintenance: Simple installation and long-lasting performance
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 177156 Packing O‑Ring Overview
Compatible Spray Systems
- Graco High‑Pressure Airless Spray Guns
- Graco Modular Pump Assemblies
- Spray Systems Using Quick‑Connect Couplers
- Graco Fluid Regulators & Pump Manifolds
- Industrial and Professional Coating Equipment
Key Features
| Feature | Details |
|---|---|
| Effective Sealing | Prevents leaks and fluid bypass, ensuring consistent pressure and spray quality |
| Chemical & Pressure Resistance | Resists degradation from paint solvents, coatings, and high‑pressure cycles |
| Durable Elastomer Construction | Long service life under repeated use and cyclic pressure fluctuations |
| Wide Compatibility | Fits a variety of pumps, regulators, and spray systems for versatile use |
| Easy Replacement | Simple installation process and ideal for maintenance or seal replacement kits |
Installation & Usage Tips
- Clean sealing grooves and mating surfaces thoroughly before installing the O‑Ring.
- Ensure proper lubrication of the O‑Ring to prevent lip roll‑out or damage during installation.
- Align the O‑Ring correctly in the gland groove to avoid misseating or leaks.
- Inspect periodically for wear or chemical degradation, especially when using aggressive coatings or solvents.
- Replace the O‑Ring if there are signs of cracking, flattening, or pressure loss to maintain optimal spray performance.
Frequently Asked Questions
It creates a tight seal inside the pump or regulator to prevent leaks, maintain fluid pressure, and ensure consistent spray performance.
Yes — it is made from high-quality elastomer designed for chemical resistance, making it suitable for a wide range of coatings and solvents.
Clean the groove and mating surfaces before installation, lubricate properly, and inspect regularly for wear or chemical damage — replace if any issues appear.
No — installation is straightforward: clean parts, lubricate the seal, seat it properly in the gland groove, and reinstall components according to manufacturer instructions.
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