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Graco 15A283 Diaphragm

Ensure reliable fluid transfer and leak-free operation with the Graco 15A283 Diaphragm. Ideal for pump rebuilds and high-cycle applications.

  • Maintains tight seal during each pump cycle
  • Durable elastomer for long service life
  • Chemical-resistant for multiple fluid types
  • OEM-fit for Graco diaphragm pumps
  • Facilitates easy maintenance and rebuilds

$120.97
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Graco 15A283 Diaphragm Overview

The Graco 15A283 Diaphragm is a high-quality, replacement fluid diaphragm designed for industrial Graco diaphragm pump systems. Engineered to deliver reliable sealing and long service life, it helps maintain consistent fluid performance under demanding pump cycles.

Compatible Machines

  • Graco Husky 1050 Diaphragm Pump
  • Graco Husky 1590 Diaphragm Pump
  • Graco SaniForce / Sanitary Diaphragm Pumps (various models)

Technical Specifications

Specification Details
Part Number 15A283
Diaphragm Type Fluid-side elastomer diaphragm
Material High‑durability elastomer (e.g., EPDM or similar)
Design Overmolded or bonded to provide wear resistance
Function Seals and flexes under pump cycles to transfer fluid without leakage
Service Application Used for diaphragm pump rebuilds and fluid-section maintenance

Key Features

  • High flexibility: Built to flex thousands of cycles without fatigue.
  • Robust sealing: Maintains tight seal even under high pressure.
  • Chemical resistance: Compatible with a wide range of fluids.
  • OEM-fit: Direct replacement for Graco diaphragm assemblies.
  • Durable construction: Designed for long service intervals and reduced downtime.

Frequently Asked Questions

This diaphragm flexes with each pump cycle, maintaining a fluid-tight seal and enabling the transfer of liquid without leaks.

Replace it when you notice loss of performance, frequent leaks, or at regular intervals during a pump rebuild to maintain reliability.

Yes — depending on the pump model, Graco offers diaphragms in different materials including overmolded PTFE variants for enhanced chemical resistance.

During a pump rebuild, remove the old diaphragm, clean the mounting surfaces, position the new 15A283 diaphragm carefully, and reassemble the fluid section according to Graco’s torque specifications.

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