Graco 104586 Ball – Premium Intake Valve Component
Compatible Machines
- Graco Model 237254 Series A (Stubby Size, Carbon Steel, Leather Packed)
- Graco Model 237449 Series A (200 L/55 Gal Size, Carbon Steel, PTFE Packed)
- Graco Model 237255 Series A (Stubby Size, Carbon Steel, PTFE Packed)
- Graco Model 215958 Series B (Stubby Size, Stainless Steel, Polyethylene Packed)
- Graco Model 237253 Series A (200 L/55 Gal Size, Stainless Steel, PTFE Packed)
- Graco Model 237256 Series A (Stubby Size, Stainless Steel, PTFE Packed)
- Graco Model 220440 Series A (200 L/55 Gal Size, Stainless Steel, Rubber Packed)
- Graco Model 220439 Series A (Stubby Size, Stainless Steel, Rubber Packed)
Product Description
The Graco 104586 Ball is a precisely engineered intake-side valve ball designed to provide dependable one-way flow control within select Graco displacement pumps. With a diameter of approximately 32 mm, it supports high-pressure systems and ensures efficient fluid handling in demanding applications.
Key Features
- 32 mm diameter designed for intake valve assemblies
High-hardness stainless steel or tungsten carbide construction
for maximum wear resistance
- Optimized seating geometry to reduce leakage and improve pump efficiency
- Specifically tailored for use in professional-grade displacement pumps and large-capacity systems
- Ensures consistent fluid control in high-flow and high-pressure spraying environments
Technical Specifications
| Specification |
Details |
| Part Number |
104586 |
| Component Type |
Intake Valve Ball / Check Valve Ball |
| Diameter |
32 mm |
| Material |
High-hardness stainless steel or tungsten carbide |
| Recommended Use |
Intake side of Graco displacement pumps |
| Pack Housing Compatibility |
Carbon steel, stainless steel, PTFE or rubber packed models |
Applications
The Graco 104586 Ball is suitable for heavy-duty industrial finishing systems, protective coating rigs, and high-volume airless sprayers where optimal intake valve performance, minimal backflow, and reliable pump operation are essential.
Performance Advantages
- Minimizes internal leakage and helps maintain consistent spray pressure
- Extends service intervals by using wear-resistant materials
- Helps pumps maintain high flow rates without sacrificing seal integrity
- Supports heavy- duty coatings and continuous-use applications
- Reduces maintenance downtime thanks to robust design and easy replacement
Maintenance Tips
When servicing the displacement pump, inspect the intake valve seat and the ball for wear or damage. Replace the ball if you notice pitting, scoring, or diminished seat contact. Use proper torque values and ensure clean housing prior to reassembly to maintain optimal performance.
Frequently Asked Questions
The diameter is approximately 32 mm, designed for the intake side of compatible Graco pumps.
It fits various Graco displacement pump models including those listed in the “Compatible Machines” section above — such as the 237254 series A, 237449 series A, 237255 series A, 215958 series B, 237253 series A, 237256 series A, 220440 series A, and 220439 series A.
The ball is constructed from high-hardness stainless steel or tungsten carbide, engineered for high wear resistance and long service life.
Inspection frequency depends on usage conditions. For best results, inspect the valve seat and ball during each scheduled maintenance interval and replace if any signs of wear such as pitting, scoring, or sealing loss are present.
