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Titan 0533561 Regulator Seal

Titan 0533561 Regulator Seal

Sourced From:
Titan Tools Inc.

 

0533561 Regulator Seal is a genuine OEM replacement seal for the pressure regulator on Titan AirCoat sprayers. This seal (typically a diaphragm or gasket) creates a leak‑tight barrier between the regulator body and the fluid passage, ensuring accurate pressure control. A worn, torn, or hardened regulator seal can cause pressure loss, fluid leakage, and unstable spray performance. Replacing the seal restores proper regulator function and consistent output pressure.

Part Number 0533561
Part Description Regulator Seal (diaphragm / gasket for pressure regulator)
Brand Titan
Fits AirCoat 423
Condition New

$8.2

 

Regulator Seal for Titan AirCoat 423 Sprayer

The Titan 0533561 Regulator Seal is a critical sealing component inside the pressure regulator assembly of the AirCoat 423 sprayer. It creates a fluid‑tight barrier between the regulator's control chamber and the high‑pressure fluid passage, allowing the regulator to modulate output pressure accurately. This seal is often a diaphragm or a specially shaped gasket made of chemical‑resistant elastomer.

Over time, regulator seals can become torn, hardened, or compressed, leading to internal bypass of fluid. A failed seal results in pressure instability, inability to maintain set pressure, fluid leaking from the regulator body, or complete loss of regulation. Replacing the seal with an OEM component restores precise pressure control and prevents fluid leaks.

Service Tip: When replacing the regulator seal, inspect the mating surfaces for nicks or corrosion. Replace the regulator spring (0533556) and O‑rings (0533559) at the same time for a complete, reliable rebuild.

What it does and when to replace it

Function of the regulator seal
.=Transmits pressure force to regulator spring for control
Fluid isolation Separates high‑pressure fluid from adjustment mechanism
Pressure sensing
Leak prevention Prevents external and internal fluid bypass
When replacement is recommended
Pressure instability Pressure surges or drops without knob movement
Fluid leak from regulator Visible material seeping from regulator body seams
Inability to maintain set pressure Pressure drifts continuously after adjustment
Visible seal damage Torn, hardened, or deformed seal during inspection

Compatibility

Part 0533561 is the OEM regulator seal for the following Titan sprayer model. Always verify with your machine's parts diagram.

Brand / Model Component
AirCoat 423 Regulator Seal

Related parts commonly serviced together

When replacing the regulator seal, inspect or replace these related regulator components.

Regulator spring (0533556)

The spring works with the seal to set pressure; replace if fatigued.

Regulator O‑ring (0533559)

O‑rings on the stem and housing; replace during rebuild.

Regulator stem (0533558)

Inspect for wear or corrosion that could damage the new seal.

Frequently Asked Questions

0533561 is the OEM regulator seal (diaphragm/gasket) for the pressure regulator on the Titan AirCoat 423 sprayer. It seals the fluid chamber and enables accurate pressure control.

Common signs include: unstable or surging pressure, inability to hold a set pressure, fluid leaking from the regulator body, and a pressure adjustment knob that feels “spongy” or unresponsive.

This seal is designed for the Titan AirCoat 423 airless sprayer. Always confirm with your machine's parts diagram before ordering.

While it is possible to replace only the seal, it is strongly recommended to also replace the regulator spring and O‑rings at the same time. These components wear at similar rates, and a partial rebuild may leave other worn parts that cause continued issues. Use a full regulator rebuild kit if available for best results.