Low Temperature PTC Self Limiting Heat Trace Cable 220V Waterproof Heating Cable for Fire Fighting Pipeline Antifreeze

Low Temperature PTC Self Limiting Heat Trace Cable 220V Waterproof Heating Cable for Fire Fighting Pipeline Antifreeze. Adopts PTC polymer core, automatically adjusts power output with temperature change. Built-in overheat protection, safe even with overlapping installation. Cut-to-length on site for easy installation. Flame-retardant, explosion-proof & corrosion-resistant jackets optional for harsh working conditions. Direct manufacturer, custom specifications available. Used for pipeline freeze protection & temperature maintenance in oil & gas, chemical, fire protection industries.