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Graco 193798 Valve Stem

The Graco 193798 Stem Valve is an OEM replacement stem for Graco fluid systems, restoring proper valve control and sealing when installed. It enables accurate fluid flow regulation or shut‑off in industrial spray or pump setups.

  • Part Number: 193798
  • Function: Valve stem controlling flow inside valve housing
  • Compatibility: Sprayers, pressure rigs, fluid‑handling equipment
  • Installation: Fits inside existing valve housing — direct replacement

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Graco 193798 Stem Valve – Compatibility & Details

Compatible Applications & Equipment

  • Graco fluid systems using valve stems for flow regulation or sealing.
  • Industrial spray rigs and pumps needing reliable stem‑type valve mechanisms.
  • Maintenance or rebuild tasks replacing worn or damaged valve stems in valve assemblies.
  • Equipment specifying part 193798 to ensure correct stem fit and valve operation.

The Graco 193798 Stem Valve is a replacement valve‑stem assembly for Graco fluid‑handling equipment. It enables accurate control or shut‑off of fluid flow by manipulating the internal valve trim. Installing this stem valve ensures reliable fluid regulation and restores proper valve functionality in worn or compromised systems.

Specification Details
Part Number 193798
Component Type Valve Stem / Valve Internal Trim
Function Regulates or shuts off fluid flow by controlling valve internal elements
Compatible Equipment Type Sprayers, fluid‑handling rigs, industrial pumps
Material / Build Durable metal suitable for high‑pressure fluid systems
Installation Replace existing valve stem inside valve housing
  • Precise Flow Control: Enables accurate regulation or shut‑off of fluid flow within system lines.
  • OEM Replacement: Matches original Graco specifications for proper fit and performance.
  • Durable Construction: Built to withstand pressure and repeated use in industrial settings.
  • Easy to Replace: Can be installed using standard valve housing and basic tools.
  • Restores Valve Function: Helps recover lost or degraded valve performance when original stem is worn.

Frequently Asked Questions

The stem valve regulates or stops fluid flow by controlling internal valve mechanisms in Graco systems.

Replace it if the valve leaks, stem becomes worn, or flow regulation becomes unreliable — indicating internal wear or seal failure.

No — replacement is straightforward. The new stem fits into the existing valve housing with standard tools under proper depressurization.

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