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Graco 197344 Carbide Seat

The Graco 197344 Carbide Seat is a durable valve seat designed for Xtreme and Xtreme XP pump lowers, providing a long-lasting seal under high pressure and abrasive materials.

  • Fits Xtreme / Xtreme XP 220, 250, 290 cc lowers
  • Made from wear-resistant carbide for extended service life
  • Ensures tight seal and consistent performance

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Compatibility & Key Details for Graco 197344 Carbide Seat

Compatible Machines / Pump Lowers

Use this list to quickly confirm fitment before ordering.

  • • Graco Xtreme / Xtreme XP 220 cc pump lowers
  • • Graco Xtreme / Xtreme XP 250 cc pump lowers
  • • Graco Xtreme / Xtreme XP 290 cc pump lowers
  • • GH733 units equipped with an Xtreme lower (where specified)

What the Graco 197344 Carbide Seat Does

The 197344 is a hardened carbide valve seat used inside the pump lower. It provides a durable sealing surface for the check ball, maintaining prime and preventing backflow under high pressure and abrasive conditions.

Key Specs & Highlights

Part Number 197344
Material Carbide (wear- and abrasion-resistant)
Application Inlet/outlet check seat in Xtreme / Xtreme XP 220/250/290 cc lowers
Typical Use High-pressure, severe-duty spraying; compatible with abrasive/coarse materials when specified
Included 1 × Carbide Seat (no ball, o-rings, or hardware)

Benefits

  • Long service life due to carbide hardness and erosion resistance
  • Reliable sealing to help maintain prime and pressure stability
  • Designed for Xtreme / Xtreme XP 220/250/290 cc pump lowers

When to Replace

  • Difficulty holding pressure or frequent loss of prime
  • Visible pitting or grooving on the seat sealing surface
  • Leak-back through the check valve after ball/packings are verified

Installation Notes

  • Relieve system pressure and flush per Graco safety procedures
  • Inspect/clean the ball and cavity; replace worn balls/o-rings as needed
  • Install with correct orientation and torque per your lower’s service manual
  • Verify lower size (220/250/290 cc) before reassembly

Frequently Asked Questions

It fits Xtreme / Xtreme XP 220, 250, and 290 cc pump lowers, and GH733 units using an Xtreme lower where specified. Always confirm your lower size and parts list before ordering.

Carbide offers exceptional hardness and wear resistance, improving sealing life in high-pressure and abrasive applications common to Xtreme systems.

This item is the seat only. Depending on wear, you may also need the check ball, related o-rings, or a lower repair kit. Consult your lower’s parts diagram.

Check the ID plate or service manual for your pump lower. The displacement (cc) and lower model are listed there and must match the seat specification.

Use proper filtration, flush after abrasive materials, and replace worn balls/packings promptly to keep the carbide seat sealing surface in good condition.

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