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  • Eagle Eyes CHINA Inspection Service (China): Eagle Eyes (CHINA) Quality Inspection Co.,Ltd. is a professional Third Party China Inspection company, offering...
  • Double Decker Bus Ac - China

    price: 1.00 Dollar US$

    Double Decker Bus AC

    The SZB-IIIA-D is a high-performance air conditioning unit designed for double-decker buses, delivering powerful cooling to ensure a comfortable passenger experience.

    With a cooling capacity of 52 kW, this system is ideal for buses ranging from 11 to 12 meters in length.

    It features a DANFOSS TGEN7 R134a expansion valve for optimized refrigerant control and a 6NFCY compressor with a 970 cc/r displacement, ensuring high efficiency and reliability.

    Key Features & Benefits

    Superior Cooling Performance 52 kW cooling capacity ensures rapid cooling for large double-decker buses.

    Efficient DANFOSS expansion valve enhances system performance.

    Optimized Airflow for Uniform Cooling Condenser airflow: 14, 400 m³/h (6 fans).

    Evaporator airflow: 9, 000 m³/h (12 blowers).

    Ensures even temperature distribution throughout both decks.

    Energy-Efficient Operation Electricity consumption of 14 kW, balancing performance with energy efficiency.

    Uses BSE55 lubricant for improved compressor durability.

    Lightweight & Compact Design Roof unit weight: 350 kg, designed to minimize impact on vehicle load.

    Compact dimensions (2000 × 750 × 1180 mm) for easy installation.

    Reliable Refrigeration System Refrigerant type: R134a, an environmentally friendly cooling solution.

    Refrigerant weight: 11 kg, ensuring optimal system efficiency.


    Company Contact:


    • Phone: 15900583852

    • Address: No. 4999 Huaning Road, Shanghai, P.R. China, 201108, Shanghai , Alberta , China

    • Email: Email


    Published date: May 27, 2025

    • Business Description: SONGZ AUTOMOBILE AIR CONDITIONING CO., LTD herein referred as SONGZ, was founded in 1998 - It is a joint-stock company specializing in research, development, manufacturing and sales of vehicle air-conditioning systems.

      Our Products:

      - School Bus Air Conditioner

      - Mini Bus Air Conditioning Unit

      - Electric Truck Refrigeration Units

      - Box Truck Refrigeration Unit

      - Electric Refrigerated Truck

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