Graco 15A039 Air Valve Seat
$106.21
In Stock
The Graco 15A039 Air Valve Seat ensures proper sealing and air flow control in select Graco diaphragm pumps. Key points to know:
- Compatible with Graco TRITON 1030HP and 3D350HP series pumps
- Provides a stable seat for the air valve and retains O-rings
- Prevents air leaks and ensures efficient valve operation
- Replace during air-valve rebuilds or if wear is detected
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Genuine OEM Part
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Compatible Machines for Graco 15A039 Air Valve Seat
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.
Compatible Machines
- Graco TRITON 1030HP Diaphragm Pump (Models: 233750, 233751)
- Graco 3D350HP Diaphragm Pump Series
Key Features
| 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 |
Technical Details
| 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 |
Frequently Asked Questions
The air valve seat provides a stable surface for the valve and retains O-rings that control air flow passages during each pump cycle.
This air valve seat fits Graco TRITON 1030HP and 3D350HP diaphragm pump models. Always confirm with your pump's parts manual.
Replace the seat during an air-valve rebuild or if there are cracks, air leaks, or worn surfaces. Also replace associated O-rings at the same time.
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