Graco 15A146 Diaphragm Cover

Graco 15A146 Diaphragm Cover – Complete Overview

The Graco 15A146 Diaphragm Cover is a genuine OEM replacement component designed for diaphragm pump and regulator assemblies within Graco fluid‑handling systems. Engineered for demanding industrial use, this cover secures the diaphragm housing, protects internal components, and maintains sealing integrity to help ensure consistent and reliable system performance.

Compatible Applications

• Graco diaphragm regulators and pump modules where part number 15A146 is specified.
• High‑pressure fluid systems including coating, sealant or adhesive dispensing where diaphragm housing protection is essential.
• Industrial spray and processing equipment requiring durable covers for diaphragm housings to maintain integrity under repeated cycles.

Key Features & Benefits

• OEM Fit and Form: Manufactured to match Graco’s original specifications to guarantee proper alignment, sealing and compatibility.
• Robust Construction: Built from high‑strength materials designed to withstand exposure to chemicals, pressure extremes and high‑cycle operation.
• Sealing Integrity: A well‑fitting cover that secures the diaphragm chamber to help prevent leaks, contamination and performance loss.
• Easy Servicing: Designed for straightforward replacement during maintenance or overhaul to reduce system downtime.
• Long‑Term Reliability: By using the correct part, you uphold the system’s designed performance and avoid risks of compromising the diaphragm housing with inferior substitutes.

Technical Specifications

Installation & Maintenance Tips

• Always relieve system pressure and isolate the equipment before removing or installing the cover.
• Clean the seating surface of the diaphragm housing thoroughly to remove debris, old sealant or damage before installation.
• Inspect the new cover for any manufacturing defects and ensure proper orientation when installing.
• Apply correct fastener torque as recommended to avoid distortion of the cover and maintain proper sealing.
• During periodic maintenance, check the cover and seals for signs of wear, corrosion or fatigue and replace if needed to preserve system performance.

Frequently Asked Questions