594-040 Ball Valve is a replacement ball valve used to control fluid flow on or off. This component provides reliable shut-off and flow control on compatible equipment.
| Part Number | 594-040 |
|---|---|
| Part Description | Ball Valve |
| Brand | Airless |
| Fits | Airless LX80 Platinum |
| Condition | New |
The 594-040 Ball Valve is a replacement ball valve designed to control fluid flow on or off on the Airless LX80 Platinum spray gun. This ball valve serves as the primary flow control mechanism, using a rotating ball with a through-bore to either allow or block fluid passage from the gun body to the spray tip. When the original ball valve becomes worn, develops internal leakage, or fails to rotate properly, it can lead to fluid dripping from the tip when the gun is closed, difficulty achieving full flow when open, or inconsistent spray performance. Replacing the ball valve restores positive shut-off and reliable flow control necessary for professional application results.
This ball valve is manufactured to original equipment specifications, ensuring proper fit and sealing within the Airless LX80 Platinum spray gun. The valve consists of a precision-ground ball and sealing seats that work together to provide a tight seal when closed and unrestricted flow when open. A properly functioning ball valve stops fluid flow completely when the trigger is released, provides full flow immediately when actuated, and maintains consistent performance over extended use. Common indicators that the ball valve requires replacement include fluid dripping from the spray tip when the gun is closed, difficulty turning the valve or sticking during operation, reduced flow even when fully open, visible wear or damage to the ball or seats, or the valve failing to shut off completely. Installing this replacement valve restores positive shut-off and reliable flow control.
| Flow control | Allows or blocks fluid passage through the spray gun |
|---|---|
| Positive shut-off | Stops fluid flow completely when valve is closed |
| Full flow capability | Provides unrestricted flow when valve is fully open |
| Tip dripping | Fluid drips from spray tip when gun is closed |
|---|---|
| Difficult operation | Valve sticks or requires excessive force to turn |
| Reduced flow | Fluid output decreases even when valve fully open |
| Visible wear | Ball or sealing seats show visible damage or wear |
Part 594-040 is compatible with the following equipment models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Model | Component |
|---|---|
| Airless LX80 Platinum | Ball valve |
Flow control issues often involve multiple components. When replacing the ball valve, these parts are commonly inspected at the same time.
Replace sealing components to ensure proper shut-off.
Check trigger linkage for wear affecting valve actuation.
Inspect gun head for damage that could affect valve seating.
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