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B2-08
TCHAIN
L020200012
The B2-08 evaporator coil assembly is a large-size internal heat exchange component tailor-made for TCH12TA-R rooftop air conditioning units, widely equipped on 12-meter long-distance intercity coaches, tourist buses and large city transit buses. As the refrigeration core inside the passenger compartment, it absorbs heat from circulating air to realize cooling, and its oversized heat exchange area guarantees stable cold output for large-capacity passenger cabins.
Extended Double-Row Blue Hydrophilic Fin Structure
Long double-layer coil layout expands total heat exchange area, matching the large cabin volume of 12m coaches. Blue hydrophilic coating accelerates condensate drainage, prevents thick frost buildup and cabin water leakage under long-hour low-temperature operation.
Thickened Seamless Copper Tube & Precision Tube Expanding Craft
High-density thick seamless copper tubes are tightly bonded to aluminum fins via mechanical tube expansion, delivering outstanding thermal conductivity. It quickly lowers cabin temperature and maintains uniform cooling effect across the whole passenger compartment even under high ambient temperature.
Reinforced Pipeline & Anti-Vibration Structure
Multi-bend copper pipelines adopt full penetration welding process, matched with thick metal mounting brackets. The whole core can withstand continuous vibration from long-distance highway driving, effectively avoiding pipeline cracking and refrigerant leakage.
100% Nitrogen High-Pressure Leakage Inspection
Each finished evaporator undergoes strict air tightness testing before delivery. Zero leakage rate reduces after-sales repair frequency for fleet operators and coach maintenance workshops.
Original Standard Dimension Plug-and-Play Replacement
All mounting holes, pipe joint positions and overall outline fully conform to original TCH12TA-R specifications. No cutting, bending or modification needed during installation, drastically cutting overhaul labor time and vehicle downtime.
TCH12TA-R 12m large coach rooftop air conditioning units
Long-distance intercity tourist bus AC overhaul & evaporator replacement
Large public transit city bus air conditioner routine maintenance
Bus OEM factory original supporting evaporator spare parts
Global repair shop one-stop heavy-duty coach HVAC spare parts supply
With 39 years of professional bus HVAC manufacturing experience, TCHAIN provides fully inspected large-size evaporator coils compatible with TCH12 series 12-meter bus air conditioners. We offer bulk wholesale, technical dimension drawing support and fast global delivery to minimize your fleet maintenance cost.
