Titan 800-333 Back-Up Ring PTFE
OEM Titan Fluid Section Sealing Component
Titan 800-333 Back-Up Ring PTFE is a genuine OEM white PTFE back-up ring used in the fluid section of compatible Impact, 840, 1140, Advantage, Helix, Performer, and PowrTex sprayers, protecting O-rings from extrusion under high pressure.
Compatibility Table
A worn or missing PTFE back-up ring allows the O-ring to extrude into clearance gaps under pressure, causing seal failure and fluid leaks. Replacement restores proper seal support.
Titan Sprayer Fluid Section Sealing Component
Titan 800-333 PTFE Back-Up Ring for Impact and 840/1140 Series Sprayers
Titan 800-333 is the OEM white PTFE back-up ring specified for the fluid section sealing arrangement on compatible Titan sprayer platforms. It sits behind the Viton O-ring to prevent extrusion into clearance gaps under high pressure, maintaining seal integrity and preventing fluid leaks.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | Genuine Titan OEM white PTFE back-up ring listed in the fluid section of compatible sprayer parts diagrams and included in factory repacking kits. |
| Function | Installed behind the Viton O-ring to prevent the elastomeric seal from extruding into clearance gaps under high pressure. Maintains seal integrity and extends O-ring life. |
| Replacement Triggers | Visible wear, cracking, deformation, O-ring extrusion, fluid leaks past the seal assembly, or any time the O-ring is serviced. |
| Industrial Applications | Professional sprayer repair, fluid section repacking, pump rebuilding, and scheduled seal maintenance. |
| Compatible Titan Machines | Impact 740, 840, 1040, 1140, 1640; 840i/840ix, 1140i/1140ix; Advantage 700/1100; Helix FR/VR; Performer 1140ix; PowrTex 1200SF. Listed as item 8 with quantity 2 in the 840i owner's manual parts list. The official repacking procedure references the white back-up rings during lower housing and foot valve reassembly. Confirm fitment using your specific model and revision parts diagram. |
| OEM Part Number | 800-333 Back-Up Ring PTFE. |
| Related Parts Commonly Serviced Together | Viton O-ring 800-332, wear ring 800-354, upper packing 800-248, lower packing, and repacking kits 800-273 or 805-1010. The mating O-ring should always be replaced with the back-up ring. |
| Common Problems Solved | O-ring extrusion under high pressure, seal failure causing fluid leaks, and accelerated wear of the O-ring from lack of proper backing support. |
| Target Users / Markets | Painting contractors, maintenance crews, rental fleet operators, and repair shops servicing Titan sprayers. |
| OEM and Brand Information | Genuine Titan OEM sealing component documented in manufacturer parts diagrams and included in factory repacking kits. |
| Commercial Benefits | Low-cost OEM component that protects the O-ring from extrusion, extending seal life and preventing costly fluid leaks and pressure loss. |
The 800-333 Back-Up Ring PTFE is installed during fluid section reassembly. The official Titan repacking procedure specifies that the new white back-up rings must be lubricated with grease and in position between the upper and lower housings, and between the lower housing and the foot valve housing. Two rings are required per assembly. Inspect the mating Viton O-ring and replace it together with the back-up ring for a complete seal repair.
Frequently Asked Questions
Quick answers for confirming fitment, function, and replacement timing.
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