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Titan 9871048 O-Ring PTFE

Titan 9871048 O-Ring PTFE

Sourced From:
Titan Tools Inc.

 

9871048 is a PTFE (polytetrafluoroethylene) O‑ring used as a static or dynamic seal in the fluid section or drive assembly of the SprayTech EP2510 airless sprayer. PTFE material provides excellent chemical resistance, low friction, and high temperature tolerance for reliable sealing in paint and solvent environments.

Part Number 9871048
Part Description O-Ring PTFE
Brand SprayTech
Fits SprayTech EP2510
Condition New

$5

 

PTFE O‑Ring for SprayTech EP2510 Airless Sprayer

The 9871048 PTFE O‑Ring is an OEM replacement seal made from virgin or filled polytetrafluoroethylene (PTFE) for the SprayTech EP2510 airless sprayer. It is used in critical fluid sealing applications, such as between pump housing sections, valve seats, or piston/cylinder interfaces. PTFE offers superior resistance to paints, solvents, and chemicals, as well as a low coefficient of friction for dynamic sealing.

Over time, PTFE O‑rings can become compressed (take a permanent set), develop nicks or cuts, or be damaged during disassembly. A failed O‑ring leads to external leaks, pressure loss, fluid bypass, or contamination. Replacing the worn O‑ring with the 9871048 restores a leak‑tight seal and prevents further damage to surrounding components.

Service Guidance: When installing a PTFE O‑ring, inspect the groove and mating surfaces for damage or debris. Unlike rubber O‑rings, PTFE does not stretch easily; do not force it over sharp edges. Lubricate lightly with compatible grease to aid installation. Replace O‑rings whenever a joint is disturbed to ensure reliable sealing.

What it does and when to replace it

What the PTFE O‑ring does
Static sealing Prevents fluid leaks between stationary mating surfaces
Dynamic sealing (if applicable) Seals between moving parts with low friction
Chemical resistance Withstands aggressive paints and solvents without swelling
When replacement is recommended
Visible damage Cuts, nicks, or flattened cross‑section
Hardening or deformation O‑ring no longer returns to original shape
External leak Paint or fluid seeping from the sealed joint
Disassembly / overhaul Always replace PTFE O‑rings when a joint is opened

Compatibility

Part 9871048 is designed for the following SprayTech model. Always verify with your machine's parts diagram before ordering.

Brand / Model Component
SprayTech EP2510 PTFE O‑ring (fluid section / valve / housing seal)

Related parts commonly serviced together

When replacing the PTFE O‑ring, these related components are often inspected or replaced at the same time.

Backup ring

PTFE O‑rings often use a backup ring to prevent extrusion; replace as a set.

Fluid housing or valve assembly

Inspect mating grooves and surfaces for corrosion or damage.

Other seals / O‑rings

If rebuilding a section, replace all seals in that area.

Frequently Asked Questions

PTFE offers superior chemical resistance to paints and solvents that can swell or degrade rubber. It also has a very low coefficient of friction, making it ideal for dynamic sealing applications where the O‑ring must slide against a mating surface.

Reuse is not recommended. PTFE takes a permanent compression set over time and may not seal properly after disassembly. Always install a new O‑ring to ensure leak‑free performance.

This PTFE O‑ring is specifically designed for the SprayTech EP2510. Check your parts diagram to confirm the exact location and size.

Yes. Apply a light film of compatible grease (e.g., PTFE or silicone lubricant) to the O‑ring and groove before assembly. This prevents pinching and helps the O‑ring seat properly without rolling.

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