Graco 15A056 Air Valve Bushing
The Graco 15A056 Air Valve Bushing is a precision OEM component that guides and supports the air-valve internals, ensuring smooth cycling and reliable operation in diaphragm pumps.
- Fits: Graco air-operated diaphragm pumps
- Maintains proper alignment of air valve components
- Reduces wear and friction for long-term durability
- Prevents air leaks and ensures consistent pump performance
- Essential for air-valve maintenance and rebuilds
Graco 15A056 Air Valve Bushing – Detailed Description
The Graco 15A056 Air Valve Bushing is a factory-grade OEM component crafted to optimize the internal alignment and performance of the air-valve mechanism in Graco diaphragm pumps. It ensures fluid switching efficiency while minimizing wear, playing a crucial role in sustaining reliable and smooth pump cycles.
Key Features
- OEM-level precision for perfect compatibility with Graco air-valve assemblies
- Low-friction, machined bore for minimal internal wear
- Stabilizes internal air‑valve components for consistent switching
- Built from a high-durability metal to handle frequent high-pressure cycling
- Supports tight air-seal control to maintain efficient pump operation
Typical Use Cases
- Air‑operated diaphragm pump rebuilds and maintenance
- Pumps used in high-cycle industrial fluid delivery systems
- Applications involving coatings, chemicals, or aggressive fluids
- Systems requiring long-term reliability in valve performance
Installation & Service Instructions
To install the 15A056 bushing effectively, take care to prepare the air-valve assembly properly and handle internal parts with precision.
- Disassemble the air-valve and clean all components thoroughly to remove old debris or residue.
- Inspect the bushing bore and surrounding surfaces for any signs of damage.
- Install the new bushing flush and aligned within the valve body.
- Reassemble valve components with correct torque and alignment.
- Cycle the pump slowly after installation to check for proper valve operation and absence of air leakage.
When to Replace the Bushing
- Poor or erratic cycling of the pump
- Elevated air consumption or reduced pump efficiency
- Visible wear or scoring inside the bushing bore
- Delayed or inconsistent switching of the air valve
- Degraded performance despite healthy fluid-section components
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 15A056 |
| Component Type | Air Valve Bushing |
| Material | High-strength alloy engineered for valve wear resistance |
| Function | Aligns and supports moving air-valve internals |
| Application | Graco diaphragm / AODD pumps |
Advantages of the OEM 15A056 Bushing
Using the genuine Graco 15A056 Air Valve Bushing is beneficial for maintaining valve precision and extending the operational life of your pump’s air section.
- Ensures stable, accurate alignment of air‑valve components
- Minimizes internal wear for longer valve life
- Reduces risk of air leaks, improving efficiency
- Restores original manufacturer tolerances after rebuild
- Makes maintenance quicker and more reliable with exact-fit parts
Frequently Asked Questions
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