Graco 120189 Stainless Steel Nut Cap
$6.85
In Stock
The Graco 120189 Nut Cap SST is a durable stainless steel fitting designed for high-pressure airless sprayers. Key benefits include:
- Compatible Machines: Mark V ProContractor, Mark X Pro, King Airless, Ultra Max II 695, Contractor PC
- High Pressure: Supports up to 4500 psi
- Durable Material: 316L stainless steel with passivation
- Easy Installation: Precision threads for leak-free connection
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines for Graco 120189 Nut Cap SST
- Graco Mark V ProContractor
- Graco Mark X Pro
- Graco King Airless Sprayer
- Graco Ultra Max II 695
- Graco Contractor PC
Graco 120189 Nut Cap SST – High-Performance Stainless Steel Component
The Graco 120189 Nut Cap SST is a precision-engineered stainless steel fitting designed for high-pressure hydraulic systems, ensuring leak-free connections and reliable fluid control in industrial airless sprayer applications.
Key Features
- 316L stainless steel construction for superior corrosion resistance
- Precision CNC machining for repeatable thread tolerances
- Supports pressures up to 4500 psi in airless sprayer systems
- Compatible with solvent-based and waterborne coatings
- Optimized internal profile reduces turbulence and cavitation
Specifications
| Material | 316L Stainless Steel, passivated |
|---|---|
| Thread Standard | ISO 7-1 Pipe Thread |
| Operating Pressure | Up to 4500 psi |
| Surface Finish | Polished Ra ≤ 0.4 μm on wetted surfaces |
| Burst Pressure | Exceeds 10,000 psi |
| Compatibility | Solvent-based and waterborne coatings, high-viscosity fluids |
Installation & Maintenance
Torque to 25–30 Nm using a calibrated wrench. Apply approved thread lubricant to prevent galling. Inspect periodically for surface blemishes and replace O-rings as needed for optimal sealing performance.
Frequently Asked Questions
Compatible with Graco Mark V ProContractor, Mark X Pro, King Airless Sprayer, Ultra Max II 695, and Contractor PC.
It is made of 316L stainless steel with passivation for excellent corrosion resistance and durability in high-pressure applications.
Designed for pressures up to 4500 psi, ensuring reliable performance in industrial airless sprayer systems.
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