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The SNXH series represents a breakthrough in large-scale cold storage technology, specifically engineered for high-bay automated warehouses. This innovative system maximizes vertical space utilization while delivering powerful, uniform freezing performance for standardized bulk goods. Unlike conventional designs, it strategically positions high-pressure axial fans between dual rows of air coolers mounted above pallet racks, creating a powerful differential-pressure airflow that circulates from both sides toward the center.
SNXH
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The SNXH blast freezer evaporator is a revolutionary industrial refrigeration system engineered for high-bay automated warehousing and large-scale cold storage operations. Designed by STELX, this cutting-edge cold room evaporator redefines high-density storage freezing by combining vertical space optimization with powerful, uniform cooling performance. Ideal for standardized bulk goods, it integrates patented differential-pressure airflow technology to eliminate cold spots, making it a top choice for frozen supply chains, pharmaceutical storage, and e-commerce cold fulfillment centers. Whether for meat, beef, chicken, or durian freezing, this stainless steel evaporator delivers industrial-grade reliability while maximizing energy efficiency and storage capacity.
Installation Diagram 1
Installation Diagram 2
Installation Diagram 3
Crafted with versatility and durability in mind, the SNXH series features a modular construction that adapts seamlessly to existing warehouse layouts. Its unique design positions high-pressure axial fans between dual rows of air coolers mounted above pallet racks, creating a targeted airflow that circulates from both sides toward the center. The casing and water tray options include stain steel 304/316, epoxy, and powder-coated materials, ensuring corrosion resistance and compliance with hygiene standards. Separated fan and cooler modules simplify maintenance, while dual-sided aerodynamic baffles provide splash protection to prevent product contamination.
At the core of the SNXH evaporator is its intelligent airflow management system. The differential-pressure technology guarantees every pallet receives consistent freezing treatment, with adjustable cooler dimensions to match specific rack configurations. Fin distances range from 10mm to 40mm (or custom requirements), optimizing heat transfer while minimizing airflow resistance. This precision translates to rapid, homogeneous freezing, reducing goods weight loss and preserving product quality—critical for perishables and pharmaceuticals alike.
Energy-smart operation is a key highlight: optimized airflow paths reduce power consumption, making the SNXH series an eco-friendly refrigeration evaporator choice. The system supports multiple refrigerants, including HFC, NH₃, CO₂, glycol, water, and brine, offering flexibility for diverse industrial needs. With a capacity range of 30 ~ 250 kW, it scales effortlessly from medium to large-scale operations, while vertical air intake and exhaust enhance space utilization in high-bay warehouses.
| APPLICATIONS | Refrigeration | |||||||
| REFRIGERANTS | HFC | NH3 | CO2 | Glycol | Water | Brine | ||
| CAPACITY RANGE | 30 ~ 250 kW | |||||||
| FIN DISTANCE | 10 , 12 , 16-8 , 18-9 , 20-10 , 24-12-6 , 30-15 , 40-20-10 mm, or as requirements | |||||||
| GEOMETRY | In-line | |||||||
| AIR DIRECTION | Vertical air intake and vertical exhaust | |||||||
| MATERIAL | Titanium | Aluminum | AlMg | Stain steel 304/316 | Copper | Epoxy | Powder coated | Al-Zn coated |
| TUBES | √ | √ | √ | √ | √ | |||
| FINS | √ | √ | √ | √ | √ | √ | ||
| FIN THICKNESS | 0.15mm | 0.2~0.4mm | 0.2~0.4mm | 0.15~0.17mm | 0.15~0.2mm | 0.2~0.4mm | ||
| CASING | √ | √ | √ | √ | ||||
| WATER TRAY | √ | √ | √ | √ | ||||
| DEFROSTING | Electric | Hot gas | Air | Glycol | Brine | Water | ||
| COILS | √ | √ | √ | √ | √ | √ | ||
| FANS | √ | √ | ||||||
| WATER TRAY | √ | √ | √ | √ | √ | √ | ||
| FANS MOTORS | AC or EC fan motors | |||||||
| DIMENSIONS | 700 , 800 , 900 | |||||||
| NUMBERS | 1 ~ 20 | |||||||
Find suitable accessories for SNXH blast freezer
Insulated water tray
Hot water/glycol defrosting
Water defrosting
Electric defrosting
Hot gas defrosting
Fan heaters
Mounting feet
Corrosion protection
Baffle defrosting
High-Density Storage Optimization: Maximizes vertical space for bulk goods, ideal for crowded warehouses.
Uniform Freezing: Patented differential-pressure airflow eliminates cold spots and uneven cooling.
Maintenance-Friendly Design: Separated modules and accessible service points simplify inspections.
Customizable Configuration: Adapts to existing rack systems and warehouse layouts with adjustable components.
Energy-Efficient Circulation: Optimized airflow paths lower power consumption without sacrificing performance.
Corrosion-Resistant Materials: Stainless steel 304/316 and epoxy coatings ensure long service life.
Multi-Refrigerant Compatibility: Works with HFC, NH₃, CO₂, and other common refrigerants.
Splash & Contamination Protection: Aerodynamic baffles safeguard products during operation.
Large Capacity Range: 30 ~ 250 kW to meet industrial-scale freezing demands.
Automation-Ready: Seamlessly integrates with high-bay automated warehouse systems.
Automated frozen food distribution centers: Handles high-volume meat, poultry, and seafood freezing.
Pharmaceutical bulk storage facilities: Maintains consistent temperatures for sensitive medical products.
Industrial ingredient freezing operations: Preserves raw materials for food processing plants.
E-commerce fulfillment cold storage: Supports rapid order fulfillment for frozen goods.
Durian and tropical fruit freezers: Specialized cooling for temperature-sensitive produce.
Businesses seeking to maximize storage capacity while ensuring uniform freezing of standardized pallets. It excels in environments where space is at a premium and operational efficiency is critical—from large-scale manufacturers to third-party logistics providers (3PLs) managing cold chains.
It is compatible with HFC, NH₃ (ammonia), CO₂, glycol, water, and brine, offering flexibility for different industrial refrigeration setups.
Yes! The modular design and adjustable cooler dimensions allow seamless adaptation to most existing rack systems and warehouse layouts—no major renovations required.
Its optimized airflow paths minimize resistance, while the differential-pressure system ensures the fan and cooler modules operate at peak efficiency, lowering overall power usage.
Tubes are available in titanium, aluminum, stainless steel 304/316, copper, and epoxy; fins come in aluminum, AlMg, copper, and epoxy, with thickness ranging from 0.15mm to 0.4mm.
Yes, the corrosion-resistant materials (stainless steel, epoxy coatings) and effective defrosting options (electric, hot gas, water) make it durable in high-humidity settings.