Introduction
In large-diameter pipeline construction, welding quality and efficiency are the two decisive factors that directly affect project timelines and operational safety. The ENGINE WELDER HW800DS dual-torch diesel generator welder, equipped with a Deutz TD226B engine, delivers a rated welding current of 380A×2 with a 60% duty cycle, providing reliable power support for field operations in complex environments.
1. Deutz TD226B Engine Core Advantages
The Deutz TD226B is a 4-stroke, 3-cylinder water-cooled diesel engine with a displacement of 3120 CC and a rated output of 45 kW at 1500 rpm. Its key advantages include:
- High torque reserve: Maintains stable power output under high welding loads without stalling.
- Excellent fuel economy: The engine’s internal combustion efficiency is significantly higher than that of general-purpose diesel engines, reducing operating costs on long-term projects.
- Water-cooling system: Ensures stable engine temperature even in high-temperature environments, extending service life.
- Electric start: Enables rapid startup in cold conditions, suitable for pipeline construction in northern regions.
2. Dual-Torch Simultaneous Welding Capability
The HW800DS features a dual-torch design with independent outputs of (60-300)A×2 DCA, allowing two operators to weld simultaneously without interference. This is particularly critical for large-diameter pipelines where weld seams are long and time-consuming.
In addition to standard manual arc welding, the HW800DS supports:
- Cellulosic electrode welding
- Semi-automatic flux-cored self-shielded welding
- Simple argon arc welding
3. 30 kW Auxiliary Power Output
The HW800DS provides a 380 VAC auxiliary power output with a rated power of 30 kW, enabling simultaneous operation of field tools such as grinders, pumps, and lighting equipment. This integrated power solution reduces the need for additional generator sets on site, simplifying logistics and lowering equipment investment.
4. Low-Noise Silent Design for Extended Field Operations
Pipeline construction often involves extended operation periods in remote areas. The HW800DS employs a low-noise silent design that significantly reduces operator fatigue. The large 79L fuel tank ensures long uninterrupted operation, minimizing refueling frequency.
5. Key Technical Specifications
| Parameter | Specification |
|---|---|
| Engine Model | Deutz TD226B |
| Engine Type | 4-stroke, 3-cylinder, water-cooled diesel |
| Displacement | 3120 CC |
| Rated Engine Output | 45 kW / 1500 rpm |
| Welding Output (Duty) | 380×2 DCA / 60% |
| Current Range | (60-300)×2 DCA |
| No-Load Voltage | 85 DCV |
| Auxiliary Power | 30 kW / 380 VAC |
| Fuel Tank | 79 L |
| Dimensions (L×W×H) | 2000×900×1000 mm |
| Weight | 1200 kg |
Application Scenarios
The HW800DS is purpose-built for field pipeline welding, including oil and gas transmission pipelines, municipal utility networks, and water supply pipeline projects. Its robust frame design with dimensions of 2000×900×1000 mm and weight of 1200 kg ensures structural stability during high-current welding operations.
Conclusion
The ENGINE WELDER HW800DS, powered by Deutz engine technology, combines high welding current output, dual-torch simultaneous operation, and 30 kW auxiliary power into a single compact unit. For large-diameter pipeline construction projects demanding both efficiency and reliability, the HW800DS represents a professional-grade solution backed by proven technology.
For product specifications, project consultation, or procurement inquiries, please contact us:
Phone: 010-86468776
Email: denoh@126.com
Website: https://www.denohgroup.com/contact/