A PU Foam Spray Machine applies two component polyurethane foam to different surfaces. Contractors use it when they need a continuous foam layer for insulation work. The machine uses a controlled supply system, heating unit, pressure system, hoses, and spray gun. Each part affects the final spraying result. For contractors and equipment distributors, understanding the machine structure and daily operating requirements can make equipment selection and use much easier.
PU Foam Spray Machine Parameters
YG Machinery provides several configurations for polyurethane foam spraying work. The main technical data is listed below for comparison.
| Model | YG-H-T50 | YG-H5600T | YG-H-T40 | YG-H5600 | YG-Q30 | YG-IIIH |
| Power Supply | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/220V | 380V/220V |
| Heating Power | 25 kW | 25 kW | 22 kW | 22 kW | 15 kW | 9.5 kW |
| Total Power | 29 kW | 29 kW | 26 kW | 26 kW | 15.5 kW | 9.5 kW |
| Drive Type | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Pneumatic | Pneumatic |
| Material Output | 2–8 kg/min | 2–8 kg/min | 2–12 kg/min | 2–12 kg/min | 2–10 kg/min | 2–10 kg/min |
| Air Supply | ≥0.6 m³/min | ≥0.6 m³/min | ≥0.6 m³/min | ≥0.6 m³/min | 0.5–1 MPa ≥1 m³/min | 0.5–0.8 MPa ≥0.9 m³/min |
| Max Output Pressure | 36 MPa | 36 MPa | 36 MPa | 36 MPa | 28 MPa | 25 MPa |
| A/B Ratio | 1:01 | 1:01 | 1:01 | 1:01 | 1:01 | 1:01 |
| Heating Temperature Range | 0–85°C | 0–85°C | 0–85°C | 0–85°C | 0–85°C | 0–80°C |
| Packaging Size (LWH) | 1350×1150×1650 mm | 1350×1150×1650 mm | 1250×1050×1500 mm | 1250×1050×1500 mm | 850×850×1650 mm | 850×850×1650 mm |
| Gross Weight | 420 kg | 420 kg | 350 kg | 350 kg | 200 kg | 205 kg |
| Air Compressor | – | 4 kW, 0.5 m³/min | 4 kW, 0.5 m³/min | – | 7.5 kW, 0.9–1.0 m³/min, 8 bar | – |
PU Foam Spray Machine Core Components
A spraying system contains several working parts, and each has a different role.
- Material pumps: These move the two components from their containers toward the spray system. Stable material delivery is important for consistent spraying.
- Heating system: It prepares the material for spraying and helps maintain suitable flow conditions during operation.
- Heated hoses: The hoses carry material from the main unit to the spray gun. Proper hose condition is important for stable delivery.
- Spray gun: It is the final working part where the materials combine and the spray gun applies them to the surface.
Together, these parts form the main structure of Polyurethane Spray Equipment. Regular inspection of each part is important because a problem in one section can affect the whole spraying system.
Polyurethane Foam Spray Machine Material Preparation
Material preparation has a direct effect on spraying results. Operators should use a polyurethane foam spray machine with materials that match the equipment and the intended application.
Before operation, pay attention to:
- Material condition: Check that the components are clean and suitable for use.
- Moisture control: Keep containers closed when you are not using the materials. Unwanted moisture can affect polyurethane reactions.
- Correct connection: Make sure you connect the A and B material lines to the correct supply sides.
- Storage conditions: Follow the material manufacturer’s storage instructions. Avoid exposing the materials to unsuitable temperatures or direct contamination.
Operators should always match a Spray Foam Insulation Machine with the correct material system. Consult the machine supplier and material supplier when you introduce a new formulation.
PU Spray Machine Spray Gun Control
The spray gun determines how the material reaches the surface. Good control requires more than simply pulling the trigger. Operators should keep the gun movement steady and maintain a consistent spraying pattern. The gun should move in a planned direction instead of staying in one area for too long. Uneven movement may lead to differences in the applied layer. The operator should also pay attention to the spray pattern during work. Any sudden change may indicate a blocked tip, material supply issue, or another machine problem. Regular gun cleaning is also important because cured material can affect the spray pattern and make later maintenance more difficult.
PU Foam Spray Machine Operation Notes
Safe operation should be part of every spraying job. Operators should prepare the working area before starting and use suitable protective equipment according to the material manufacturer’s safety instructions.
Important points include:
- Protective equipment: Use suitable gloves, eye protection, protective clothing, and respiratory protection when required.
- Ventilation: Maintain proper ventilation in enclosed work areas.
- Hose inspection: Check hoses, fittings, and connections before operation.
- Work area control: Keep unnecessary personnel away from the spraying area.
- Pressure safety: Do not loosen connections or service pressurized components during operation.
These practices reduce unnecessary risks and provide better working conditions for operators.
PU Foam Spray Machine Maintenance
Regular maintenance helps keep the equipment ready for the next job. Operators should check a Polyurethane Spray Machine after each working period rather than only when a fault appears.
Clean the spray gun according to the recommended procedure to remove material residue. Inspect hoses and fittings for leakage, cracks, or other visible damage. Also check material filters and seals regularly because dirt and wear can affect material delivery. Inspect electrical connections and heating components as part of routine service. When the machine will remain unused for an extended period, follow the proper shutdown and storage procedure for the equipment and materials.
PU Foam Spray Machine for Sale from YG Machinery
For customers searching for a PU Foam Spray Machine for Sale, YG Machinery supplies polyurethane spraying equipment for overseas construction and industrial projects. The company provides equipment selection, configuration support, factory direct supply, and technical communication for international customers.
YG Machinery also offers related machines for different surface treatment needs, including Polyurea Coating Machine and Gypsum Spray Plaster Machine. These products can support projects that involve protective coating, plastering, and other material spraying work.
Send YG Machinery your material type, application, local power conditions, and project requirements to discuss a suitable configuration and request a quotation.【WhatsApp/WeChat/Phone/Skype】+86 13937183602
