Graco 15D126 0.156 Diameter Shaft U-Cup Seal
The Graco 15D126 U‑Cup Seal ensures leak-free performance on 0.156″ shafts in Graco texture spray guns. Ideal for high-frequency use and precise fluid control.
- U‑cup design for dynamic sealing
- Fits 0.156″ (3.96 mm) shafts
- Durable elastomer construction
- OEM replacement for Graco TexSpray / texture guns
Graco 15D126 U‑Cup Seal (0.156″ Shaft)
The Graco 15D126 U‑Cup Seal is a high-precision sealing component engineered for shafts with a 0.156″ diameter, commonly found in Graco texture spray guns. Its rugged design helps maintain leak‑free performance even during repeated trigger action.
Key Features
- U‑cup profile provides effective dynamic sealing under motion
- Specifically sized for 0.156″ (3.96 mm) shafts
- Made from durable elastomer material that resists wear
- OEM-grade replacement ensures precise compatibility
- Reduces fluid bypass and ensures consistent spray performance
Technical Specifications
| Part Number | 15D126 |
|---|---|
| Seal Type | U‑Cup |
| Shaft Diameter | 0.156″ (3.96 mm) |
| Material | Wear‑resistant elastomer |
| Application | Reciprocating or rotating shafts in Graco texture guns |
Durability & Performance
The U‑cup geometry creates a strong sealing lip that stays in contact with the shaft even when the gun is actuated repeatedly. This helps prevent leakage, backflow, and pressure loss, making it ideal for high-frequency or high-pressure applications.
Applications & Compatibility
This seal is specifically referenced in Graco parts documentation for certain TexSpray / texture guns, particularly models using the 0.156″ diameter fluid‑needle shaft.
- Graco TexSpray / texture gun model 248091 (non‑bleeder)
- Graco TexSpray / texture gun model 248093 / 248094 (bleeder-style) parts list includes 15D126
Installation & Maintenance
- Thoroughly clean the shaft before installing the seal.
- Lubricate the lip with a compatible grease or fluid to avoid initial wear.
- Ensure the U‑cup’s sealing lip faces the pressure side for correct orientation.
- Check periodically for lip wear or deformation; replace if leakage begins.
- Use non-metal tools for installation to avoid damaging the seal material.
Frequently Asked Questions
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