Low-vibration Oversized-spec 380V 48.4KW DD255 Air Cooler Evaporator

Low-vibration Oversized-spec 380V 48.4KW DD255 Air Cooler Evaporator

 

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DD-48.4/255 is tailor-made for ultra-large centralized cold distribution center and integrated food processing industrial park running at standard -18℃ storage condition. Equipped with 48400W nominal refrigeration capacity and 255㎡ full heat exchange area, the unit delivers stable continuous cooling to maintain uniform ambient temperature, effectively lower dehydration and dry loss of bulk stored frozen meat and aquatic commodities during long-cycle stock turnover.

 

Oversized high-ceiling cold storage commonly suffers obvious upper-lower temperature difference and local cooling dead zone caused by unreasonable air duct layout, leading to inconsistent fresh preservation of goods. This model adopts four sets of large-diameter low-noise axial fans plus optimized internal flow guiding structure to realize full-space homogeneous cold air circulation, thoroughly eliminate partial over-freezing or insufficient cooling problems in super-size freezer space.

 

The coil adopts inner-groove high-efficiency copper tube + hydrophilic coated aluminum fin combination, which improves overall heat exchange efficiency by around 15% compared with ordinary smooth tube products. Meanwhile, independent split defrost wiring reduces invalid power consumption during partial frosting, helping cold storage operators cut long-term monthly electricity cost and realize stable energy-saving operation all year round.

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Model	DD-48.4/255
Nominal Cooling Capacity	48400W
Nominal Area	255㎡
Tube Volume	41.9L
Refrigerant Inlet/Outlet Pipe Diameter	φ28/φ54mm
Fin Defrost Power	16800W
Water Tray Defrost Power	4800W

 

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Ruifujie has over 20 years of concentrated R&D and manufacturing experience on DD full-series ceiling evaporators, covering from small mini cold-room models to ultra-large industrial cold-distribution dedicated units. All finished coolers pass 3.0MPa air tightness and hydraulic pressure test before delivery; flexible customization on fin spacing, working voltage and defrost configuration is available for global cold-chain engineering contractors and large food manufacturers.

 

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FAQ

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Q: What's the matching cold storage usable area of DD-48.4/255?

A: It is designed for 230~280㎡ super-large low-temperature freezer for centralized cold logistics base and big food processing factory.

 

Q: Can this model adapt low-GWP environment-friendly refrigerants?

A: We can optimize internal coil piping to match R454C, R513A and other new eco refrigerants per customer's engineering drawing.

 

Q: Can multiple units be arranged in parallel for extra-huge cold warehouse?

A: Multi-unit parallel layout plan and technical layout drawing can be provided by our professional engineering team for free.

 

Q: What is the bulk production delivery period?

A: In-stock items ship within 3 working days; mass bulk order needs 10~15 working days after deposit confirmation.

 

Q: What's the after-sale spare parts supply regulation?

A: Core fan and heating components enjoy 12-month factory warranty; original spare parts are available at cost after warranty expires.

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