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Graco 164432 Vented Cap

The Graco 164432 Vented Cap helps maintain proper air flow and pressure balance in drum-feed systems. Ideal for Graco Topper Units using Fire-Ball, President, or GT 750 pumps.

  • Part Number: 164432
  • Type: Cap, Vented
  • Used In: 400-lb Drum Topper/Inductor Units
  • Ensures: Proper venting and contamination control

$381.62
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Vented Cap 164432 — Overview & Compatibility

The Graco 164432 Cap, Vented is a small but critical component that allows controlled air flow while keeping contaminants out. Use it where a vented cap is specified in Graco drum-feed/inductor-plate assemblies.

Compatible Machines / Assemblies

Fits Graco drum-feed Topper Units (400-lb drum size) using the pump families below:

  • • 50:1 Fire-Ball In-Line Pump Topper/inductor-plate assemblies
  • • 50:1 President In-Line Pump Topper/inductor-plate assemblies
  • • 75:1 President In-Line Pump Topper/inductor-plate assemblies
  • • 36:1 GT 750 Pump Topper/inductor-plate assemblies

Key Features

  • Allows pressure equalization while the system is sealed
  • Helps reduce moisture/contaminant ingress versus open vents
  • Sized and threaded for Graco Topper/inductor-plate locations that call for 164432
  • OEM quality for reliable fit and durability

Technical Details

Part Number 164432
Description Cap, Vented
Application Inductor-plate/Topper-unit vent location on drum-feed systems
Typical Systems 400-lb drum size Topper Units paired with Fire-Ball, President, or GT 750 pump families (as listed above)
Included 1 × Graco 164432 Cap, Vented

Frequently Asked Questions

It allows the inductor-plate/Topper assembly to breathe so pressure equalizes as material is dispensed, helping prevent vacuum lock while limiting contaminant entry.

Generally no. This part is used on drum-feed Topper Units. Verify against your model’s parts manual—look for the exact call-out 164432.

Match the part number in your unit’s exploded view. For drum-feed systems using Fire-Ball/President/GT 750 families, look at the inductor-plate assembly and confirm it specifies 164432 Cap, Vented.

Keep the vent path clean and free of dried material. Inspect threads and sealing surfaces during routine service; replace the cap if damaged or if venting becomes restricted.

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