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Graco 164912 PTFE Vee Packing

Graco 164912 PTFE Vee Packing — piston seal for select Graco displacement pumps; prevents fluid bypass and maintains operating pressure.

Confirm your pump model before ordering (see quick list below).

  • Fits pump models: 223595 (Series C), 223596 (Series B), 237958, 239145, 239140 (Series A)
  • Material: PTFE for low friction and chemical resistance
  • Use: Displacement pump piston/rod sealing

$33.92
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PTFE V-Packing Seal – Functions, Fitment & Specs

Compatible Machines / Assemblies

This Graco 164912 PTFE Vee Packing is specified for the piston section of select Graco displacement pumps. Confirm your sprayer’s pump model before ordering.

  • Graco Displacement Pump 223595 (Series C)
  • Graco Displacement Pump 223596 (Series B)
  • Graco Displacement Pump 237958
  • Graco Displacement Pump 239145
  • Graco Displacement Pump 239140 (Series A)

What this part does

A PTFE vee-stack piston seal used to prevent fluid bypass and maintain operating pressure inside the displacement pump. PTFE offers low friction and chemical resistance for high-duty spraying.

Key Specifications

Attribute Detail
Graco Part # 164912
Type V-packing (piston) – vee-stack seal
Material PTFE (Teflon)
Application Area Displacement pump piston/rod sealing
Typical Benefits Low friction, chemical resistance, long service life

Fitment & Installation Notes

  • Relieve system pressure and follow the pump’s service procedure.
  • Inspect piston rod/sleeve for scoring—damage shortens packing life.
  • Install vee stack with correct lip orientation per the pump manual.
  • Lightly lubricate with a compatible lubricant during assembly.
  • Tighten the packing nut to the specified torque in the service guide.

Frequently Asked Questions

Check your machine’s pump model on its nameplate or parts list. If your pump is listed in the compatibility section above (e.g., 223595, 223596, 237958, 239145, 239140), then 164912 is the specified piston V-packing for that pump assembly.

PTFE provides lower friction, good solvent and chemical resistance, and durable performance in high-pressure applications—ideal for industrial coatings or frequent use.

Keep filters clean, avoid running dry, flush with compatible solvent after use, and ensure the rod and sleeve surfaces remain smooth and free of scoring.

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