1. Introduction
This manual provides essential instructions for the safe and effective use, setup, operation, and maintenance of your DeVilbiss KB-555 KB Pressure Cup. Please read this manual thoroughly before operating the equipment and retain it for future reference.
The DeVilbiss KB-555 is a 2-quart (approximately 1.9 liters) aluminum pressure cup designed for use with spray guns, providing a regulated material flow for various coating applications.
2. Important Safety Information
Always observe standard safety precautions when operating this equipment. Failure to follow these instructions may result in serious injury or property damage.
- Read and understand all instructions in this manual before use.
- Wear appropriate personal protective equipment (PPE), including eye protection, gloves, and respiratory protection, as recommended by the material manufacturer.
- Ensure adequate ventilation in the work area to prevent the accumulation of hazardous fumes.
- Never exceed the maximum recommended operating pressure for the cup or your spray gun.
- Always depressurize the cup before attempting to open, clean, or service it.
- Keep the equipment clean and in good working condition.
- Do not modify the pressure cup. Use only genuine DeVilbiss replacement parts.
Proposition 65 Warning:
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
3. Product Overview
3.1 Components
The DeVilbiss KB-555 KB Pressure Cup consists of a durable aluminum container, a lid assembly with a pressure regulator, and a handle for portability and hanging.

Image 1: DeVilbiss KB-555 KB Pressure Cup. This image displays the complete assembly of the 2-quart aluminum pressure cup, including the main container, the lid with integrated pressure regulator, and the metal hook for suspension.
3.2 Features
- Capacity: 2 Quarts (approximately 1.9 liters)
- Material: Durable Aluminum construction
- Pressure Regulation: Integrated regulator for consistent material flow.
- Portability: Equipped with a handle/hook for easy transport and hanging.
- Origin: Made in the United States.
4. Setup
4.1 Unpacking
- Carefully remove the pressure cup from its packaging.
- Inspect all components for any signs of shipping damage. If damage is found, contact your supplier immediately.
- Retain packaging materials for future storage or transport.
4.2 Connecting to Air Supply and Spray Gun
- Ensure all connections are clean and free of debris.
- Connect the air inlet of the pressure cup to a clean, regulated air supply line using appropriate fittings.
- Connect the material outlet of the pressure cup to the material inlet of your spray gun.
- Tighten all connections securely to prevent air or material leaks. Do not overtighten.
5. Operation
5.1 Filling the Cup
- Ensure the pressure cup is depressurized before opening.
- Unscrew the lid and carefully pour the desired coating material into the cup. Do not overfill.
- Securely reattach the lid, ensuring it is properly sealed.
5.2 Adjusting Pressure
- With the cup filled and connected, slowly introduce air pressure to the system.
- Use the integrated regulator on the cup to set the desired material pressure. Refer to your material manufacturer's recommendations for optimal pressure settings.
- Always adjust pressure gradually.
5.3 Usage Guidelines
- Maintain consistent air pressure for uniform material delivery.
- Monitor material levels and refill as needed, always depressurizing the cup first.
- After each use, or when changing materials, thoroughly clean the cup and associated components.
6. Maintenance
6.1 Cleaning
- Depressurize the cup completely before cleaning.
- Empty any remaining material from the cup.
- Disassemble the lid and cup. Clean all parts with an appropriate cleaning solution recommended by your material manufacturer.
- Pay special attention to the regulator and air passages to ensure they are free of dried material.
- Rinse thoroughly and allow all components to dry completely before reassembly or storage.
6.2 Storage
- Store the clean, dry pressure cup in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure all seals and O-rings are in good condition before storage. Replace if worn or damaged.
7. Troubleshooting
This section addresses common issues you might encounter with the DeVilbiss KB-555 KB Pressure Cup.
| Problem | Possible Cause | Solution |
|---|---|---|
| Material not flowing | No air pressure; clogged material line; regulator set too low. | Check air supply; clean material line; increase regulator pressure. |
| Air or material leak from lid | Lid not tightened; damaged gasket/seal; debris on sealing surface. | Tighten lid securely; inspect and replace gasket/seal; clean sealing surfaces. |
| Inconsistent material flow | Fluctuating air supply; regulator malfunction; material viscosity issues. | Ensure stable air supply; check/replace regulator; adjust material viscosity. |
8. Technical Specifications
| Specification | Detail |
|---|---|
| Model Name | KB-555 KB Pressure Cup |
| Part Number | 120033 |
| Capacity | 2 Quarts (approx. 1.9 Liters) |
| Material | Aluminum |
| Item Weight | 5 pounds (approx. 2.27 kg) |
| Product Dimensions | 8 x 8 x 12 inches (approx. 20.3 x 20.3 x 30.5 cm) |
| Manufacturer | DeVilbiss |
| Date First Available | May 1, 2015 |
9. Warranty and Customer Support
For information regarding product warranty, please refer to the warranty documentation provided with your purchase or visit the official DeVilbiss website. Warranty terms and conditions may vary.
For technical assistance, replacement parts, or further inquiries, please contact DeVilbiss customer support directly. Contact information can typically be found on the manufacturer's official website or product packaging.





