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Graco 164865 Diaphragm Hanger

The Graco 164865 Diaphragm Hanger supports and aligns the diaphragm inside fluid pressure regulators for stable performance and proper sealing.

  • Ensures accurate pressure control
  • Fits Graco Fluid Pressure Regulator (306813 series)
  • Durable OEM-grade replacement component

$234.81
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Diaphragm Support Component for Graco Regulators

Compatible Assemblies / Systems

This part is used inside specific Graco fluid pressure regulators. If a sprayer uses the regulator listed below, this hanger applies.

  • Graco Fluid Pressure Regulator (manual family 306813 series)
  • Any airless sprayer / finishing unit that incorporates the above regulator (verify via machine service manual).

Product Summary

Graco 164865 is the Hanger, Diaphragm used inside select Graco fluid pressure regulator assemblies. It supports and positions the diaphragm so the regulator can maintain stable fluid pressure and sealing performance.

Part Details

Attribute Value
Part Number 164865
Part Name Hanger, Diaphragm
Function Supports and aligns the regulator diaphragm to ensure proper pressure control and sealing.
Assembly Context Internal component of Graco Fluid Pressure Regulator (e.g., 306813-series regulator manuals).
Typical Symptoms When Worn Inconsistent pressure, leakage, or poor regulator response.

Fitment Guidance

  • Confirm your machine’s regulator part number in its service manual or parts list.
  • If the regulator calls out internal hanger 164865, this part is the correct replacement.

Frequently Asked Questions

It supports and centers the diaphragm inside the regulator so the membrane can flex correctly under pressure changes, maintaining stable outlet pressure and a proper seal.

Check your sprayer’s service manual for the regulator assembly breakdown. If the bill of materials lists hanger 164865 within the regulator, it is compatible.

Pressure drift, irregular spray, or fluid weeping from the regulator. Always inspect the diaphragm and plate at the same time.

It’s good practice to inspect the diaphragm, diaphragm plate, seals, and fasteners. Replace any worn items to restore regulator performance.

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