Polymer electric fusion machine DPS20 series

for industrial applications

Overview
The DPS20 electrofusion welding unit is designed for controlled electrofusion joining of PE/HDPE pipes and fittings, providing digital process control, multilingual interface and data traceability for field and industrial installations.

Main features

• Advanced control: MCU-based digital control with 0.5% accuracy for power and time; minimal voltage deviation (~0.02%).
• User interface: High-brightness LCD with multi-language support (Chinese, English, Polish, Spanish); manual input and barcode scanning options.
• Data management: USB connectivity with storage for up to 200 welding records for traceability and export.
• Programmable cycles: Supports up to 6-phase programmable welding profiles.
• Fitting compatibility: Compatible with typical Chinese fittings and barcoded fittings starting with '9'.

Product details (DPS20 data sheet)

• Models: DPS20-2.2KW; DPS20-3.5KW
• Rated power: 2.2 kW (DPS20-2.2KW); 3.5 kW (DPS20-3.5KW)
• Input voltage: 2Φ AC 220V ± 20%
• Rated current: 45 A (2.2 kW); 55 A (3.5 kW)
• Rated output voltage: 55 V (2.2 kW); 75 V (3.5 kW)
• Welding range: 20–200 mm (DPS20-2.2KW); 20–315 mm (DPS20-3.5KW)
• Input frequency: 40–65 Hz
• Operating ambient temperature: -20 ~ 50 ℃
• Storage temperature: -30 ~ 70 ℃

Applications

• Potable water distribution and supply systems
• Gas pipeline networks
• Building heating systems
• Agricultural irrigation and related PE/HDPE pipeline installations

Technical specifications

• Control precision: 0.5% (MCU digital)
• Voltage stability: ~0.02% deviation
• Languages supported: Chinese, English, Polish, Spanish
• Data storage: USB, up to 200 welding records
• Programmability: Up to 6 welding phases
• Applicable pipe diameters: 20–315 mm depending on model