Graco 90-521 Flat Universal Spray Tip for Ultra-Heavy Coatings
Compatible Machines
- Graco Airless Paint Sprayers (Professional & Contractor Models)
- Graco Magnum Series Airless Sprayers
- Graco Ultra Series Airless Sprayers
- Graco ST Series Sprayers
- Graco LineLazer Series (with RAC IV or RAC V guard)
- All airless sprayers compatible with RAC IV or RAC V tip guards
Product Overview
The Graco 90-521 Tip Flat Universal 521 Pkgd is engineered for ultra-heavy coatings, featuring a 10-inch fan pattern and a 0.021-inch orifice. This 521 spray tip delivers maximum material flow for demanding professional applications.
The first digit (5) represents the fan width, producing a 10-inch spray at 12 inches from the surface. The last two digits (21) indicate a 0.021-inch orifice, allowing ultra-thick coatings to be applied efficiently and evenly.
Key Specifications
| Tip Size | 521 |
| Fan Width | Approx. 10 inches (at 12" spray distance) |
| Orifice Size | 0.021 inch |
| Spray Type | Airless Spray Application |
| Guard Compatibility | RAC IV & RAC V Systems |
Recommended Applications
- Ultra-heavy latex paints
- Thick elastomeric coatings
- Industrial and protective coatings
- High-build primers and sealers
- Exterior commercial coatings
Frequently Asked Questions
The first digit (5) represents half the fan width, creating a 10-inch spray at 12 inches from the surface. The last two digits (21) indicate a 0.021-inch orifice, ideal for ultra-heavy coatings.
The Graco 90-521 Flat Universal Tip is best suited for ultra-heavy latex paints, thick elastomeric coatings, industrial coatings, high-build primers, and commercial exterior coatings.
Yes, this spray tip is fully compatible with both RAC IV and RAC V guard systems.
