Graco 15A147 Diaphragm Cover

Graco 15A147 Diaphragm Cover – Comprehensive Overview

The Graco 15A147 Diaphragm Cover is a genuine OEM replacement component designed for the diaphragm housing of Graco fluid‑regulator or pump assemblies. Engineered to deliver reliable sealing and protection of internal diaphragm mechanisms, this cover helps maintain system integrity, prevent leaks or contamination, and support extended operational life in demanding applications.

Compatible Applications

• Graco diaphragm regulator and pump modules where part number 15A147 is specified
• High‑pressure fluid systems including coatings, adhesives or sealants that use diaphragm‑type housings and require robust covers
• Industrial spray, coating and dispensing equipment needing dependable diaphragm housing protection under cyclic or heavy use

Key Features & Benefits

• OEM‑Exact Fit: Manufactured to match Graco’s original dimensions and mounting details to ensure perfect alignment and sealing in the diaphragm housing.
• Durable Construction: Built from high‑strength materials that resist wear, corrosion, and stress from repeated cycles and high‑pressure environments.
• Sealing Integrity: Provides a secure barrier around the diaphragm chamber, helping to reduce fluid or air leakage, contamination ingress, and maintain consistent performance.
• Service‑Friendly Design: Designed for easy replacement during maintenance intervals, helping reduce downtime and simplify rebuilds.
• Long‑Term Reliability: Using the authentic 15A147 cover ensures the diaphragm housing performs as designed — substituting non‑OEM covers may compromise fit, material compatibility, or sealing performance.

Technical Specifications

Installation & Maintenance Tips

• Ensure the system is fully depressurized and isolated before removing the existing cover.
• Clean the diaphragm housing seating surface thoroughly to remove any debris, old gasket material or damage that could compromise sealing.
• Inspect the new 15A147 cover for any defects and align it properly in the housing before fastening.
• Torque the cover bolts evenly according to manufacturer recommendations to ensure uniform sealing pressure and avoid distortion.
• During scheduled maintenance, inspect the diaphragm cover and surrounding housing for signs of wear, corrosion or fatigue and replace when any abnormality is found to maintain optimal performance.

Frequently Asked Questions