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Graco 102973 Metallic Ball

The Graco 102973 Metallic Ball is a durable check valve component designed for fluid control in Graco pumps and process equipment. It ensures proper sealing and maintains one-way flow.

  • Part Number: 102973
  • Material: Metallic (stainless/hardened steel)
  • Used In: Dura-Flo lowers, Husky diaphragm pumps, and other compatible Graco systems
  • Function: Intake or outlet check valve ball for reliable pump performance

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Overview & Compatibility – Graco 102973 Ball, Metallic

Compatible Machines

  • Graco Dura-Flo lowers (selected 1800 & 2400 models – intake/outlet check positions)
  • Graco Husky diaphragm/process pumps (selected models using 1.25" metallic check balls)
  • Other Graco industrial/process equipment that specifies a 1.25" metallic check valve ball

Key Specifications

Part Number 102973
Description Ball, Metallic (check-valve ball for pump intake/outlet sections)
Material Metallic (stainless/hardened steel) – corrosion-resistant, precision ground
Nominal Diameter 1.25" (≈ 31.8 mm)
Function Seals in a ball check valve to maintain one-way flow and hold prime
UPC 00633955160934
Typical Use Repair/rebuild of Graco pump lowers & process equipment that specify 102973

Fitment Notes

  • Use your exact model’s parts breakdown to confirm this ball’s size and location (intake vs. outlet).
  • Replace any worn seats/guides at the same time to maximize seal life and performance.
  • Handle carefully—nicks or surface defects can prevent proper sealing.

Frequently Asked Questions

It is the spherical sealing element in a ball check valve. As pressure changes during pump cycles, the ball seats/unseats to allow one-way flow and maintain prime.

Listings identify this as a metallic (stainless/hardened steel) check ball. Always match the material specified for your model and pumped material.

Commonly found in Dura-Flo lowers (selected 1800/2400 variants) and certain Husky/process pumps that specify a 1.25" metallic check ball. Confirm against your unit’s parts diagram for an exact match.

Inspect the seat and guides; replace if worn. Keep the ball and seat clean and undamaged. Follow torque and orientation per the Graco service manual for your specific lower.

Check the exact model number of your sprayer/pump lower and consult the official parts manual. Match the part number, ball size (e.g., 1.25"), and material to avoid returns.

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