Product Advantages
1. 3.0 kW Motor: The 3.0 kW motor provides the power needed for high-volume airless spraying applications.
2. 8 L/min Maximum Flow Rate: The maximum flow rate of 8 L/min provides higher material delivery for larger coating areas.
3. 25 MPa Maximum Working Pressure: The 25 MPa maximum working pressure supports high-pressure spraying with compatible coating materials.
4. 0.039 Inch Maximum Nozzle Support: The DF439 supports spray nozzles up to 0.039 inch, giving buyers more options for different coating requirements.

Product Applications
The High Volume Diaphragm Airless Paint Sprayer is suitable for professional coating applications where higher material output is needed.
Building Exterior Wall Painting: Used for large-area exterior wall coating on commercial and residential buildings.
Waterproof Coating: Suitable for compatible waterproofing materials used in building waterproofing projects.
Floor Coating: Suitable for compatible floor coatings in workshops, warehouses, commercial buildings, and other large floor areas.
Steel Structure Coating: Used for compatible protective coatings on steel structures and large metal surfaces.
 
OEM/ODM Services
Sigma provides OEM and ODM services for professional B2B customers. Buyers can discuss branding, packaging, product configuration, and other order requirements with the factory.
The High Volume Diaphragm Airless Paint Sprayer can be supplied for private-label brands, professional distributors, importers, and coating equipment suppliers. Specific OEM/ODM requirements are confirmed according to the order.

 
Company Service Advantages
Sigma is a spraying equipment manufacturer established in 2007. The factory specializes in diaphragm airless paint sprayers, plunger airless paint sprayers, screw spraying machines, and related coating equipment.
The company supplies products to Europe, America, Australia, Southeast Asia, the Middle East, and Africa. It has experience working with professional distributors and brand customers through OEM and ODM cooperation.
The company has obtained CE certification, while some products have obtained patent certificates from the China National Intellectual Property Administration. Specific certification documents for each model can be confirmed before purchase.

1. What is the maximum flow rate of the DF439?
The maximum flow rate is 8 L/min.

2. What is the maximum working pressure?
The maximum working pressure is 25 MPa.

3. What is the largest supported spray nozzle?
The maximum supported nozzle size is 0.039 inch.

4. What type of pump does the High Volume Diaphragm Airless Paint Sprayer use?
The DF439 uses a diaphragm pump for airless material delivery.

5. Can I order the DF439 for OEM or private-label use?
Yes. The factory supports OEM and ODM cooperation for professional B2B buyers.