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D6.0E9 Heavy-Duty Dual-Fan Low-Temperature Industrial Evaporator

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D6.0E9 Heavy-Duty Dual-Fan Low-Temperature Industrial Evaporator

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D6.0E9 Heavy-Duty Dual-Fan Low-Temperature Industrial Evaporator

Product Advantages

Optimized 12-Meter Air Throw for Extended Cold Room Layouts

The D6.0E9 is engineered specifically for deep-freeze storage and logistics facilities operating at an ambient room temperature of -35 °C. Powered by dual 400 mm low-temperature external rotor motors, the unit delivers a high-velocity air volume of 7800 m³/h (2*3900 m³/h) and a powerful 12-meter air throw. This extended throw range makes it highly effective at maintaining uniform temperature profiles in deeper rectangular cold rooms, eliminating thermal stratification without requiring auxiliary ducting.

Extra-Wide 9.0 mm Fin Pitch for Extreme Frost Management

Operating at deep sub-zero evaporating temperatures down to -42 °C creates a high-humidity environment prone to rapid frost formulation. The D6.0E9 mitigates this with an extra-wide 9.0 mm fin spacing (3 FPI) that slows down frost bridging, keeping your refrigeration cycles active longer. Combined with a staggered copper tube layout, this configuration forces passing air into a winding path, ensuring continuous direct contact with the cold coil surfaces while allowing ample room for ice accumulation between defrost cycles.

Advanced Fin Geometry and Integrated Thermal Defense

To maximize air-side heat transfer, the evaporator features high-efficiency open-window, double-sine wave aluminum fins with corrugated edges. The inner-grooved copper tubes are mechanically expanded directly into the aluminum fin collars, creating a gap-free metal-to-metal bond that prevents degradation during heavy thermal cycling. For rapid frost removal, the unit is equipped with an integrated 6.0 kW high-output stainless steel electric defrost system distributed throughout the coil core and the drip tray.

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D6.0E9 Heavy-Duty Dual-Fan Low-Temperature Industrial Evaporator

Technical Specifications

Parameter	Value
Model	D6E9
Nominal Cooling Capacity	6 KW
Air Volume	2x3900 m³/h
Fan Power	2x180 W
Voltage	380 V
Liquid Inlet / Suction Outlet	16 mm / 28 mm
Defrost Power	6 KW

Company Profile

Ruifujie has established itself as an elite manufacturer of thermodynamic systems, commercial compressors, and industrial refrigeration equipment. With over twenty years of industry-leading manufacturing experience, we specialize in high-capacity air-cooled condensers, industrial evaporators, and rugged compressor units including screw, scroll, and semi-hermetic piston configurations. Our state-of-the-art facilities rely on automated production pipelines, advanced mechanical tube-expansion technologies, and rigorous multi-stage quality control. We are proud to serve as a reliable OEM/ODM partner for commercial refrigeration contractors, cooling system designers, and global distributors across Europe, North America, and the Middle East.

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Frequently Asked Questions

How does the 12-meter air throw of the D6.0E9 perform in a deep rectangular cold storage room, and where should the unit be installed?

In long, rectangular deep-freeze rooms, installing the D6.0E9 with its airflow parallel to the longest wall ensures the 12-meter throw drives cold air completely to the far end of the room. The air then drops and returns along the floor, preventing stagnant warm pockets behind high-density racking. We recommend leaving at least 500 mm of clearance from the rear intake wall to prevent air short-circuiting.

Why is the suction pipe of the D6.0E9 sized at 28 mm, and does this cause issues with compressor oil return at -42 °C?

At extreme evaporating temperatures like -42°C, refrigerant gas density drops and compressor oil becomes highly viscous. The 28 mm suction port is mathematically optimized to maintain the precise minimum vapor velocity required to continuously drag the thick oil back up the suction riser to the compressor, preventing oil logging inside the evaporator coils and preserving heat transfer capacity.

The D6.0E9 has a high defrost power of 6.0 kW. How does this impact the overall heat load and temperature recovery of the cold room?

While a 6.0 kW defrost capacity seems high, distributing the heating elements across both the coil core and the drip tray ensures a rapid, thorough melt. A high-wattage, short-duration defrost cycle is actually more energy-efficient than a slow, low-power cycle because it clears the ice quickly and allows the room to return to cooling mode before the ambient room air can absorb significant heat.

What is the Minimum Order Quantity (MOQ) required for purchasing your products?

There is no MOQ for in-stock items, and the MOQ for mass production orders is negotiable.

Do you support custom branding, logos, or localized nameplates on your equipment?

Yes, we support LOGO and multi-language nameplate customization.

Streamline Your Procurement Pipeline

At Ruifujie, we bridge the gap between complex thermodynamic design and seamless field deployment. Whether you are engineering a high-density cold storage warehouse from scratch or bidding on a specialized industrial food processing contract, our application team is positioned to accelerate your project timeline. We provide direct-from-factory pricing and dedicated technical coordination to ensure every piece of equipment aligns perfectly with your system's design parameters.

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