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Titan 770-584 Foam Cup Gasket

Titan 770-584 Foam Cup Gasket

Sourced From:
Titan Tools Inc.

 

Titan part 770-584 is a foam cup gasket used to create an airtight seal between the fluid cup and the spray gun body on compatible HVLP Airspray systems. This gasket prevents air leakage and material seepage, ensuring consistent fluid delivery. Replace when the original foam gasket is compressed, torn, or no longer seals properly.

Part Number 770-584
Part Description Foam Cup Gasket
Brand Titan
Fits
  • HVLP Airspray: Quart Cup
  • HVLP Airspray ProFinish: TS40, TS50
Condition New

$10.3

 

Foam Cup Gasket for Titan HVLP Airspray Systems

The Titan 770-584 Foam Cup Gasket is a replacement sealing ring designed for the fluid cup on compatible HVLP Airspray guns. It fits between the cup and the gun body, creating an airtight seal that prevents air from being drawn into the fluid path and stops material from leaking out at the connection point.

Over time, the foam gasket can become compressed, hardened, torn, or contaminated with dried material, leading to air leaks, erratic spray patterns, fluid dripping, or loss of cup pressure. Replacing the gasket restores proper sealing and ensures reliable material delivery to the air cap.

Service Guidance: Before installing a new foam gasket, clean the cup rim and gun sealing surface thoroughly. Remove any old gasket residue or dried coating. Do not overtighten the cup – just enough to compress the foam slightly. Inspect the cup threads for damage at the same time.

What it does and when to replace it

What the foam cup gasket does
Airtight seal Prevents air from entering the fluid path at the cup connection
Leak prevention Stops material from seeping out between cup and gun body
Consistent flow Ensures steady fluid delivery to the nozzle
When replacement is recommended
Compressed / flattened Gasket no longer springs back; cup feels loose when tightened
Tears or cracks Visible damage that creates a leak path
Hardening Foam has lost flexibility and does not conform to surfaces
Fluid seepage Material visible around cup threads during use

Compatibility

Titan part 770-584 is a direct replacement foam cup gasket for the following HVLP Airspray systems. Always confirm fitment using your equipment's parts diagram.

Brand / Model Components
HVLP Airspray Quart Cup Foam Cup Gasket
HVLP Airspray ProFinish TS40 Foam Cup Gasket
HVLP Airspray ProFinish TS50 Foam Cup Gasket

Related parts commonly serviced together

When replacing the foam cup gasket, inspect these associated components.

Fluid cup (quart or larger)

Check for cracks, warped rim, or damaged threads that could prevent a good seal even with a new gasket.

Gun body sealing surface

Clean off dried material and inspect for nicks or corrosion that could compromise the foam seal.

Cup lid / cap gasket

If the cup is pressurized, the lid seal should also be inspected for air leaks.

Frequently Asked Questions

The 770-584 foam gasket seals the connection between the fluid cup and the spray gun body on HVLP Airspray systems. It prevents air from being sucked into the fluid passage (which causes spitting and inconsistent spray) and stops material from leaking out around the cup threads.

Signs include: fluid seeping from the cup threads during use, air bubbles in the material stream, difficulty building pressure in a pressurized cup system, the gasket feels hard and does not compress, or visible tears/flattening. A loose‑feeling cup even when tightened is another indicator.

It is strongly recommended to use the genuine Titan 770-584 foam gasket. The material density, thickness, and diameter are precisely matched to the cup and gun design. An incorrect gasket may not seal properly, could extrude under pressure, or may degrade quickly when exposed to solvents.

Yes. The 770-584 foam cup gasket is designed for the standard quart cup used on HVLP Airspray guns, as well as the cup systems on ProFinish TS40 and TS50 models. However, always verify with your parts diagram, as some regional variants or older models may use a different gasket size.

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