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Graco 102620 Packing O-Ring

The Graco 102620 Packing O-Ring provides a reliable seal for hose reels and color-change valve assemblies. Made from durable Buna-N (Nitrile), it ensures leak-free performance and long service life.

  • Used in hose reel and color-change valve assemblies
  • Constructed from oil-resistant Buna-N rubber
  • Helps maintain consistent system pressure
  • Genuine Graco replacement part for dependable sealing

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Overview & Key Details

The Graco 102620 Packing O-Ring is a genuine sealing component made of Buna-N (Nitrile). It’s used across various Graco assemblies—including hose reels and color-change valves—to maintain leak-free performance under fluid pressure.

Compatible Machines / Assemblies

  • Hose Reel Models:224051, 224057, 224058, 224059 (Series C), 243982 (Series A)
  • Color Change Valve: Manual 307941 (includes 102620 O-ring in parts list)
  • High-Pressure Color Changer Valve: Manual 308291 (lists 102620; sometimes referenced as “CV75”)

Key Features

  • Genuine Graco replacement Packing O-Ring for dependable sealing.
  • Buna-N (Nitrile) material for oil-resistance and durability.
  • Used in select hose reels and color-change valve assemblies.
  • Helps prevent leaks and maintains system pressure integrity.

Specifications

Attribute Detail
Part Number 102620
Description Packing O-Ring
Material Buna-N (Nitrile)
Common Reference Sometimes referenced in manuals as “CV75” within valve assemblies
Typical Locations Hose reel swivels/unions; color-change valve seals
Package Contents O-ring (Qty: 1)

Installation & Maintenance Notes

  • Depressurize the system and follow the machine manual before service.
  • Lightly lubricate the O-ring with a manufacturer-approved lubricant.
  • Inspect the groove and mating surfaces; replace any worn components.
  • Confirm orientation/placement per the relevant Graco service manual.

Frequently Asked Questions

It’s a Graco-specified Packing O-Ring. Always match by part number (102620) in your machine’s parts list for best fit rather than substituting by generic size alone.

It appears in select hose reel models (e.g., 224051, 224057, 224058, 224059, 243982) and in color-change valve assemblies covered by manuals like 307941 and 308291. Verify your exact model’s parts diagram for 102620.

Buna-N (Nitrile), chosen for oil resistance and dependable sealing performance.

Depressurize first, clean the groove, lightly lubricate the O-ring, and install without twisting. Confirm location/orientation against your Graco manual.

Some applications may use different elastomers (e.g., fluorocarbon) for higher chemical/temperature resistance. Only switch materials if your machine’s documentation allows it.

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