The Graco 15A039 Air Valve Seat ensures proper sealing and air flow control in select Graco diaphragm pumps. Key points to know:
The Graco 15A039 Air Valve Seat is a critical component in the air‑valve assembly of select Graco diaphragm pumps. It provides a stable seat for the air valve and houses the O-rings that control air flow, ensuring efficient and reliable pump operation.
| Feature | Description |
|---|---|
| Part Number | 15A039 |
| Function | Provides a seat for the air valve and retains the O-rings that regulate air flow |
| Sealing | Houses O-rings to ensure proper air passage switching |
| Material | Durable precision-machined component for longevity and proper sealing |
| Maintenance | Replace when worn, cracked, or during an air-valve rebuild |
| Specification | Details |
|---|---|
| Installation | Seat is inserted or pried in using service procedure; ensure alignment with spring-locating pin |
| O-Ring Locations | Supports multiple O-rings (e.g., #43, #44, #80) to control air flow; check and replace during rebuild |
| Torque Spec | Air valve cover screws: 6 N·m (4.4 ft-lb) |
| Alignment | Air valve seat must be correctly oriented to ensure proper valve function |
Subscribe to our newsletter to get exclusive discounts and new theme launches right in your inbox.
You may unsubscribe at any moment. For that purpose, please find our contact info in the legal notice.
