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Graco 24N321 OM PTFE Diaphragm Kit

The Graco 24N321 PTFE Diaphragm Kit is a genuine OEM pump diaphragm replacement designed for Graco pneumatic diaphragm pumps, delivering superior sealing and durability under demanding use.

  • Heavy‑duty PTFE overmolded diaphragms
  • Improves pump sealing performance
  • Chemical‑resistant design
  • Ideal for industrial fluid transfer
  • Restores worn pump performance
  • Essential maintenance kit
  • OEM Graco part quality
  • Easy to install

$715.14
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Graco 24N321 PTFE Diaphragm Kit – Compatible Pumps & Features

Compatible Pumps

Graco Pump Models
Graco Husky 515 Air‑Operated Diaphragm Pump
Graco Husky 716 Air‑Operated Diaphragm Pump
Other Graco Pneumatic Diaphragm Pumps (check pump manual)

Product Overview

The Graco 24N321 Kit, OM PTFE Diaphragm is a heavy‑duty diaphragm replacement kit designed to restore sealing performance in compatible Graco diaphragm pumps. Made with PTFE overmolded diaphragms for exceptional chemical resistance and durability, it improves pump efficiency and service life.

Key Specifications

  • Part Number: 24N321
  • Kit Type: PTFE Diaphragm Replacement
  • Material: Overmolded PTFE
  • Use: OEM diaphragm replacement for pneumatic pumps
  • Includes: Diaphragm assemblies and necessary hardware

Benefits

  • Provides improved chemical resistance over standard diaphragms
  • Extends diaphragm life in demanding industrial applications
  • Restores pump sealing and performance
  • Helps reduce downtime from worn diaphragms

Typical Applications

  • Industrial fluid transfer
  • Coatings and paints handling
  • Chemical processing pump service
  • Maintenance and repair of pneumatic diaphragm pumps

Installation Tips

  • Always relieve air pressure before servicing the pump
  • Follow manufacturer torque specifications during assembly
  • Ensure PTFE diaphragms are centered before tightening
  • Replace u‑cups and seals if worn when installing

Frequently Asked Questions

It replaces worn or damaged diaphragms in specified Graco diaphragm pumps, restoring seal performance.

Yes — PTFE provides enhanced chemical resistance and longer life in harsh conditions.

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