| Item No. | DD-311 | DD-511 | DD-711 | DD-911 |
|---|---|---|---|---|
| Power | 4kw | 7.5kw | 7.5kw | 7.5kw |
| Voltage | 220v/380v | 380v | 380v | 380v |
| Input Pressure | 3Mpa | 4Mpa | 6Mpa | 6Mpa |
| Pipe Diameter | 25mm | 32mm | 32mm | 32mm |
| Transmission (Horiz.) | 20m | 40m | 60m | 50m |
| Transmission (Height) | 10m | 20m | 30m | 30m |
| Flow Rate | 3m³/h | 5 m³/h | 7 m³/h | 9 m³/h |
| Max Particle Size | <4mm | 8mm | 8mm | 8mm |
| Weight | 130kgs | 330kgs | 180kgs | 320kgs |
We provide a comprehensive 2-year warranty for all our mechanical equipment. During this period, if any component fails due to manufacturing defects, we will replace it free of charge. Our warranty also includes free labor for repairs related to these defects.
Our team of experienced engineers is available 24/7 to offer technical support. Whether it's a question about equipment operation, troubleshooting, or maintenance, you can reach us via our online customer support platform. We aim to respond to all inquiries within 8 hours.
To ensure the continuous operation of your equipment, we maintain a large inventory of high-quality spare parts. We can supply the required spare parts within 3 business days upon receiving your order. Additionally, we offer competitive prices for these parts, and they come with a 6-month quality guarantee.
For complex issues that cannot be resolved remotely, we provide on-site service. Our service technicians will be dispatched to your location as soon as possible, usually within 15 business days depending on your geographical location. We cover all travel and accommodation expenses for on-site service within the warranty period for issues covered by the warranty.
We offer regular maintenance packages. Our technicians will visit your site at pre-arranged intervals (e.g., quarterly or annually) to perform maintenance checks, clean the equipment, and replace any worn-out parts. We also keep you informed about the latest software and hardware upgrades.
A: This machine is designed for spraying sand, cement, water, and other materials. Please ensure the diameter of the aggregate particles does not exceed 5mm (and up to 8mm for DD-511, DD-711, and DD-911 models).
A: Yes. Designed with an integrated structure combining the pump and compressor, the system is compact and highly portable, facilitating easy movement and deployment across different working areas.
A: We offer a comprehensive 2-year warranty for all our mechanical equipment. This covers the replacement of parts due to manufacturing defects as well as free labor for related repairs.
A: We maintain a substantial inventory of high-quality spare parts and can process and ship the required components within 3 business days of receiving your request.
A: If technical support cannot resolve an issue remotely, we will dispatch field technicians to your location. Technicians are typically sent within 15 business days depending on geographical regions, with travel and lodging covered under the warranty terms for covered defects.
A: Absolutely. The machine features wide applicability and functions successfully with powder spraying, standard mortar spraying, and other compatible coating applications.