Graco 15A179 Diaphragm
The Graco 15A179 Diaphragm is a flexible OEM seal that ensures reliable pressure control and prevents leaks in Graco mechanical and pneumatic regulators.
- Compatible with Graco Mechanical and Back-Pressure Regulators
- Durable, high-flex steel construction
- Maintains tight seal and stable regulator performance
- Direct OEM replacement part
Graco 15A179 Diaphragm – OEM Regulator Seal
The Graco 15A179 Diaphragm is a high-quality OEM component that provides a flexible and durable seal inside Graco mechanical and pneumatic regulators, ensuring consistent pressure control and protecting internal components.
Product Overview
This diaphragm is engineered to handle repeated flexing and high-pressure cycles without fatigue. By forming a tight seal between moving parts, it prevents leaks, maintains smooth operation, and extends the life of the regulator assembly. Its OEM design ensures perfect compatibility with Graco regulators.
Key Features
- Genuine Graco OEM part — Part Number: 15A179
- Durable and flexible sealing surface for high-cycle performance
- Maintains tight seal under varying pressures
- Resists fatigue, stretching, and deformation over time
- Critical for proper operation of regulator assemblies
Technical Specifications
| Part Number | 15A179 |
|---|---|
| Description | Diaphragm / Seal |
| Usage | Mechanical and pneumatic regulator assemblies |
| Flexibility | High fatigue-resistance for repeated cycles |
| Weight | Approx. 0.055 lb |
Compatible Systems
- Graco Mechanical Fluid Pressure Regulators
- Graco Back-Pressure Regulators
- Other Graco pneumatic regulator assemblies requiring a flexible internal seal
Installation
To install the Graco 15A179 Diaphragm:
- Depressurize the regulator completely before disassembly.
- Carefully remove the regulator cap or housing.
- Remove the old diaphragm and inspect internal components for wear.
- Install the new 15A179 diaphragm, ensuring it is properly seated and aligned.
- Reassemble the housing, aligning all parts correctly.
- Repressurize slowly and test for proper sealing and regulator operation.
Maintenance Advice
- Inspect the diaphragm during routine regulator maintenance.
- Check for cracking, thinning, or deformation.
- Replace the diaphragm immediately if any damage is observed to prevent leaks or regulator malfunction.
- Follow proper torque specifications when reassembling the regulator housing.
Frequently Asked Questions
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