Secures coupling connections within Graco airless spray systems, maintaining a tight, high-pressure fluid seal during operation.
| Equipment Category | Graco Series / Models (Examples) | Compatibility Notes |
|---|---|---|
| Airless Paint Sprayers | Graco Mark Series (select configurations), Graco Ultra Series | Used in high-pressure fluid delivery assemblies where **Graco 177071 Nut** and **Coupling** components are specified. |
| Professional Contractor Sprayers | Graco Ultra Max II, Graco ProContractor Series | Installed in select pump-to-hose or fluid section connections using **Nl Bull** coupling assemblies. |
| Texture & Heavy-Duty Sprayers | Graco TexSpray Series (select models) | Applied in heavy-material transfer systems where compatible coupling nut fittings are required. |
| High-Pressure Pump Systems | Graco King Series (select configurations) | Used in industrial-grade systems depending on pump assembly design and part specification. |
The Graco 177071 Nut, Coupling (Nl Bull) is a precision-engineered fastening component used in Graco spray equipment assemblies. It is designed to secure and connect fluid or pressure-based components within airless paint sprayer systems, ensuring a tight, leak-resistant connection during high-pressure operation.
This coupling nut plays a critical role in maintaining system integrity by stabilizing connections between key spray components. It is commonly used in professional-grade Graco equipment where durability, pressure resistance, and reliability are essential for consistent spraying performance.
Manufactured to Graco’s industrial standards, this part is intended for maintenance, repair, and replacement applications in compatible sprayer systems.
