Graco 111796 U-Cup Seal
$94.25
In Stock
The Graco 111796 U-Cup Seal ensures a reliable seal for high-pressure sprayers, preventing fluid leaks and maintaining optimal performance.
- Type: U-Cup dynamic seal
- Compatible with: Graco 395 Pro Contractor, 390 Classic, 390 ES Plus, 450 ST Pro/455 ST Pro
- Application: Piston and rod assemblies in sprayers and pumps
- Material: Durable elastomer/urethane
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 111796 U‑Cup Seal – Compatible Machines & Details
Compatible Machines
- Graco 395 Pro Contractor Airless Sprayer
- Graco 390 Classic Airless Sprayer
- Graco 390 ES Plus Sprayer
- Graco 450 ST Pro/455 ST Pro Pump Systems
Product Overview
The Graco 111796 U‑Cup Seal is a precision dynamic seal used in high‑pressure fluid‑handling assemblies. Its “U” cross‑section design ensures superior sealing performance in piston and cylinder systems within professional Graco pumps and sprayers.
| Feature | Description |
|---|---|
| Type | U‑Cup dynamic seal |
| Function | Seals piston/rod assemblies, prevents leakage, maintains pressure |
| Material | Elastomer/urethane variants typical for U‑Cup applications |
| Application | High‑pressure sprayers and pumps with reciprocating cylinders |
Installation & Maintenance
When replacing the Graco 111796 U‑Cup Seal, ensure correct orientation of the lips, apply a light film of compatible lubricant, and always use the exact size and material specified in your machine’s parts diagram.
Frequently Asked Questions
A U‑Cup seal maintains a tight seal around a moving piston or rod, preventing fluid leakage and sustaining pressure in high‑load assemblies.
It fits many Graco machines listed above, but always verify in your machine’s official parts list whether part number 111796 is specified for your exact model.
Install with the lips facing the correct direction, apply a thin film of compatible lubricant, and ensure the same size and material as originally specified.
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