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
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
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