- I. Two Common Solutions (Used in 99% of On-Site Cases)
1.Self-limiting electric heating tape (preferred and most commonly used)
• Purpose: Pipe anti-freezing and ice prevention in winter
• Installation: External wall wrapping + aluminum foil tape fixation + external insulation wrapping
• Advantages: Automatic temperature control, no tube burning, customizable cutting, maintenance-free
• Standard Selection: Choose 15～30W/m for freeze protection, and 30W/m for extremely cold regions
2. Pipe-type electric heater (water circulation integral heating)
• Purpose: Not only to prevent freezing, but also to maintain water temperature and provide heat
• Installation: Strung along the loop main pipeline
• Advantages: Fast heating, whole system insulation, suitable for large pipe networks and low-temperature operation in winter
• Specifications: Predominantly 20/30/50kW, stainless steel material with overtemperature protection
II. Rapid Selection Mnemonics
• Anti-freeze, long pipelines, exposed pipes → Use electric heating tape
• Low water temperature, requires constant temperature, system heat supplementation → Use a pipe-line heater
- III. Key Installation Requirements (Mandatory)
The heating tape must be tightly adhered to the pipe wall and covered with insulation to prevent freezing and excessive energy consumption
2. Must be equipped with leakage protection + temperature controller, energy-saving and safe
3. Wrap valves and elbows more thoroughly, as these areas are most prone to freezing
- IV. Material Selection
• General circulating water: 304 stainless steel
• Corrosion-resistant water quality: 316L stainless steel
• Explosion-proof area: Explosion-proof tracing/heating equipment must be used
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Post time: Oct-16-2026
