Steel Bare-Tube Evaporator Shelf
The Steel Bare-Tube Evaporator Shelf from Chinese refrigeration manufacturer Lynxcool is perfect for cold storage, quick-freeze warehouses, fish and meat preservation, and ammonia refrigeration systems. It adopts an integrated carbon steel bare-tube welded heavy-duty shelf, with a customizable layer count and size, and a per-layer load capacity of 200–2000 kg. Processed with premium anti-corrosion treatment, it delivers stable temperature performance and high humidity resistance.
The Steel Bare-Tube Evaporator Shelf is manufactured by Chinese professional refrigeration equipment maker Lynxcool, designed for industrial cold storage applications, including cold rooms, quick-freeze warehouses, fish and meat storage, and ammonia refrigeration systems.Its modular installation allows direct pallet placement, compatible with ammonia R717 and multiple HFC refrigerants, with hot gas or electric defrost options, providing safe, efficient, and energy-saving operation for cold storage.
Core Features
This evaporator shelf excels in load capacity, cooling efficiency, durability, and multi-refrigerant compatibility, meeting the requirements of various industries.
High Load-Bearing and Impact Resistance
● Load per layer: 200–2000 kg, customizable
● Suitable for heavy loads and fishing vessel cold storage
● Welded frame ensures long-term stability
Natural Convection and Temperature Stability
● Fanless design with bare tube natural convection
● Stable temperature with minimal fluctuations
● Uniform cooling even in high-humidity environments
Long-Term Durability and Corrosion Resistance
● Hot-dip galvanization or epoxy coating
● Service life: 20–40 years
Modular Floor Installation
● Customizable for cold room height, layer number, and cargo size
● Modular design facilitates transport and rapid installation
● Floor-standing shelving allows direct pallet placement
Refrigerant and Defrost Compatibility
● Compatible refrigerants: R717 (ammonia), R404A, R507A, R448A, R449A, R22
● Defrost methods: hot gas for ammonia systems, electric for HFC systems
The Lynxcool Steel Bare-Tube Evaporator Shelf provides high load capacity, impact resistance, natural convection cooling, and long-term reliability, making it suitable for all types of low-temperature storage.
Product Structure and Design Concept
The Lynxcool Steel Bare-Tube Evaporator Shelf is built with high-strength carbon steel bare tubes integrated with a welded frame heavy-duty shelf, specifically designed for low-temperature storage. It balances load-bearing capacity, corrosion resistance, and efficient natural convection cooling.
Core Tube Design
● Tube standard: GB/T 8163 / ASTM A106
● Tube diameters: φ19 / φ25 / φ32 / φ38 mm
● Tube spacing: 25–50 mm, adjustable according to product density
High Load-Bearing Structure
● Load per layer: 200–2000 kg, customizable
● Welded frame certified: ASME IX / EN 287 / GB 150
Surface Treatment and Durability
● Hot-dip galvanization or epoxy anti-corrosion coating
● Corrosion-resistant, rust-proof, and humidity-tolerant
Modular Design
● 3–8 layers customizable
● Floor-standing installation, suitable for direct pallet placement
● Flexible combinations for fast adaptation to different cold storage spaces
These structural features ensure that the Lynxcool Steel Bare-Tube Evaporator Shelf provides strong load capacity, natural convection cooling, and corrosion resistance, laying a solid foundation for long-term stable cold storage operation.
Technical Parameters
|
Parameter |
Value / Range |
|
Tube Material |
Seamless carbon steel (GB/T 8163 or ASTM A106) or ERW welded steel |
|
Tube Outer Diameter |
φ19 mm / φ25 mm / φ32 mm / φ38 mm (application-dependent) |
|
Tube Wall Thickness |
2.0 mm — 3.5 mm (pressure rating and tube OD dependent) |
|
Tube Spacing (centre-to-centre) |
25 mm — 50 mm (model-dependent; closer spacing = higher heat transfer area) |
|
Heat Transfer Area per Shelf Tier |
0.8 m² — 8.0 m² (tube OD, spacing, tier length, and row count dependent) |
|
Refrigerant-Side Design Pressure |
25 bar (HFC); 18 bar (ammonia standard); higher-rated options available |
|
Factory Pressure Test |
Hydraulic test at 1.5× design pressure; certificate issued per unit |
|
Refrigerant Compatibility |
R717 (ammonia) / R404A / R507A / R448A / R449A / R22 |
|
Tube Surface Temperature |
−28°C to −40°C (evaporation temperature-dependent) |
|
Number of Tiers per Rack |
3 — 8 tiers (customised to product height and room height) |
|
Tier Spacing (clear height) |
150 — 600 mm (matched to product / pallet height) |
|
Rack Frame Material |
Welded carbon steel; hot-dip galvanised (standard); anti-corrosion paint option |
|
Rack Dimensions (typical) |
Length: 2,000–8,000 mm × Width: 600–2,000 mm × Height: 1,500–2,800 mm |
|
Surface Treatment (tubes) |
Hot-dip galvanised or red-oxide / epoxy anti-corrosion paint |
|
Defrost Method |
Hot-gas defrost (standard for ammonia); electric defrost (HFC option) |
|
Defrost Trigger |
Time-clock or evaporator surface temperature sensor |
|
Refrigerant Connection |
Flanged or threaded steel connections; manifold header at rack end |
|
Circuit Configuration |
Single-pass or multi-pass; individual or grouped manifold per tier |
|
Applicable Cold Store Temperature |
−5°C to −35°C (medium and low temperature) |
|
Product Load Capacity per Tier |
200 — 2,000 kg (frame and tube dimension dependent; pallet-compatible options) |
Industry Application Value
The Lynxcool Steel Bare-Tube Evaporator Shelf offers significant value across food, pharmaceutical, cold chain logistics, and industrial low-temperature storage industries.
Food Industry
● Extends storage life of dairy, fish, and frozen foods
● Maintains high humidity and minimal temperature fluctuations
Cold Chain Logistics
● Direct pallet placement for convenient handling
● Improves space utilization
These advantages allow the product to deliver efficient storage and safe cooling across multiple industries.
Problems It Solves
In cold storage and industrial low-temperature environments, common challenges include uneven temperature, high product loss, high energy consumption, and low space utilization.
● Uneven temperature damaging goods :Bare-tube natural convection ensures stable temperature with minimal fluctuations
● High product loss :Uniform cooling in high-humidity environments reduces spoilage
● High energy consumption and frequent compressor cycling :Fanless design minimizes failures and energy use
● Low space utilization:Modular design allows direct pallet placement, maximizing storage density
The Lynxcool Steel Bare-Tube Evaporator Shelf ensures uniform temperature, safe storage, energy efficiency, and optimized space utilization.
Contact and Customization Services
Lynxcool provides comprehensive technical support and full customization services.
● Customizable layer numbers, module lengths, and tube spacing
● Tailored design for cold room dimensions and cargo requirements
● Professional installation guidance and after-sales support
With full customization and expert support, the product meets unique cold storage needs while ensuring efficiency, safety, and long-term reliability.
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No. 1 Zhengzhou Road, Shibei District, Qingdao City, Shandong Province, China
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