Titan 944-004 O-ring Ptfe
OEM Titan Bleed Valve Seal
Titan 944-004 O-ring PTFE is an OEM chemical-resistant seal used in the 944-620 bleed valve assembly, preventing fluid leakage around the valve stem and ensuring reliable pressure relief on compatible Commander, Admiral, Hydra, PowrTwin, and PowrLiner sprayer models.
Compatibility Overview
Provides a leak-proof seal between the valve stem and valve body. PTFE material resists paints, solvents, and hydraulic fluids while maintaining low friction. A cut, flattened, or hardened O-ring causes fluid leakage from the valve stem, pressure loss, and difficulty priming.
Titan Bleed Valve Seal Replacement
Titan 944-004 O-ring PTFE for 944-620 Bleed Valve Service
Titan 944-004 is an OEM PTFE O-ring used in the 944-620 bleed valve assembly on Commander air-powered airless sprayers and other compatible Titan equipment. Listed as item 5 in the official Hydra M 2000/4000 service manual and the Commander 741-440 manual, this precision seal provides exceptional chemical resistance and low friction, preventing fluid leaks between the valve stem and valve body for reliable pressure relief and safe system priming. The 944-004 is a critical component of the 944-620 Bleed Valve Assembly, which consists of the 944-024 Knob Assembly, 944-020 Valve Body, 944-004 PTFE O-ring, 944-026 Valve Stem Stop, tungsten carbide ball, copper gasket, and 944-904 Valve Seat. During service, if the valve stem is rotated inwardly with the ball removed, the PTFE O-ring may require replacement. If there has been leakage from the valve stem, the PTFE O-ring should be replaced. Over time, PTFE O-rings can become cut, flattened, or hardened due to chemical exposure, compromising their ability to seal properly. This replacement restores proper bleed valve sealing, prevents fluid leaks and pressure loss, and maintains safe pressure relief operations.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | OEM Titan PTFE O-ring used in the 944-620 bleed valve assembly to provide chemical-resistant sealing around the valve stem. |
| Function | Provides a leak-proof seal between the valve stem and valve body, preventing fluid from escaping around the stem during operation. PTFE material offers exceptional chemical resistance to paints, solvents, and hydraulic fluids, along with low friction that reduces wear on mating surfaces. |
| System Location | Bleed valve assembly, item 5. Listed in official Titan service manuals for Hydra M 2000/4000 and Commander 741-440. |
| Documented Compatible Models | Commander Air-Powered Airless Sprayer; Admiral 840-209; Hydra M 2000/4000; Hydra Pro IV/Super; PowrTwin 12000GH/12000GHD/8900GH/6900GH/4900GH/5500/4500/3500/3500-DC/3500 50th Anniversary; PowrLiner 8900/6000/5000/4900/4000; PowrCoat 730/745/940/960/975. Verify your exact model against the parts diagram. |
| OEM Part Number | 944-004 O-ring PTFE (alternate 0944-004). |
| Common Problems Solved | Visible fluid leakage from valve stem, cut or flattened O-ring causing pressure loss, hardened or brittle material from chemical exposure, system priming issues, leakage from the valve stem due to deteriorated PTFE seal. |
| Replacement Indicators | Leakage from the valve stem, visible cuts, flattening, or hardening of the O-ring, or if the valve stem is rotated inwardly with the ball removed. |
| Related Parts Commonly Serviced Together | 944-024 Knob Assembly, 944-020 Valve Body, 944-026 Valve Stem Stop, tungsten carbide ball, 945-003 Copper Gasket, 944-904 Valve Seat. |
| Installation Notes | Open the adjustment knob to full counterclockwise position before unthreading the valve seat from the valve body. Apply Loctite sealant (Titan part #426-051) to all non-moving threads during reassembly. |
The 944-004 O-ring PTFE is a critical sealing component in the bleed valve assembly. If there has been leakage from the valve stem, or if the O-ring shows signs of cutting, flattening, or hardening, replace it with this genuine part to restore proper sealing and safe pressure relief operation. Verify model compatibility against your Titan service manual, as bleed valve configurations vary across sprayer platforms.
Frequently Asked Questions
Contractor-focused answers for confirming fitment and service value.
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