Description
Product Overview
Legend Buffer Tank is designed to support stable heating and cooling performance by increasing circulating water volume and helping balance fluctuations in thermal demand. Suitable for heat pump applications, hydronic heating, cooling equipment, and industrial refrigeration, this buffer tank helps maintain more consistent water temperatures and supports reliable equipment operation.
Available in capacities from 60L to 2000L, Legend buffer tanks offer flexible options for residential, commercial, and industrial projects. Customers can choose from SUS304, SUS316L, and Duplex 2205 stainless steel according to application requirements, water conditions, and corrosion resistance needs.
Key Features and Benefits
The Legend buffer tank provides additional water capacity to help reduce rapid temperature changes and support more stable heat pump operation. When correctly sized and installed, it can help reduce short cycling caused by insufficient water volume and improve the coordination between heat generation and heating demand.
The tank features an insulated construction designed to reduce heat loss during operation and standby periods. Its configuration can be selected according to project requirements, including different capacities, installation arrangements, exterior finishes, and connection options.
Stainless Steel Materials and Customization
Legend offers SUS304, SUS316L, and Duplex 2205 stainless steel options to accommodate different operating environments. SUS304 is suitable for many general applications, while SUS316L and Duplex 2205 may be selected where specific corrosion resistance or mechanical properties are required. The appropriate material should be determined by water chemistry and project conditions.
Capacity options range from 60L to 2000L, with selected combined-capacity configurations also available. Exterior options include painted galvanized steel and stainless steel finishes. Customization can cover tank capacity, color, installation style, and coil configuration, subject to technical evaluation and production requirements.
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Buffer Tank |
| Brand | Legend |
| Capacity | 60L–2000L |
| Inner Tank Material | SUS304 / SUS316L / Duplex 2205 |
| Outer Casing | Painted galvanized steel / Stainless steel |
| Maximum Working Pressure | Up to 6 bar |
| Test Pressure | Up to 10 bar, subject to the specific configuration |
| Maximum Operating Temperature | Up to 90°C |
| Insulation Thickness | Approximately 45–50 mm for applicable models |
| Installation Options | Floor-standing / Wall-mounted |
| Coil Configuration | Coil-free and selected customized options |
| Warranty | 3 years, according to warranty terms |
Specifications may vary by capacity and configuration. Please confirm the applicable technical data before ordering.
Applications
The Legend buffer tank is suitable for heat pump heating, hydronic heating circuits, cooling applications, and industrial refrigeration. By adding water volume to the connected circuit, it can help moderate temperature fluctuations and support stable operation under changing demand.
For OEM manufacturers, HVAC contractors, and project buyers, Legend provides flexible material and configuration options to match different installation requirements.
Quality Control and Manufacturing
Legend emphasizes manufacturing consistency and product inspection. The company states that it has 17 years of welding experience, uses certified welders, and conducts online leakage testing. Each project should be evaluated against the applicable pressure, temperature, and material requirements to ensure that the selected tank is suitable for its intended application.
Why Choose Legend Buffer Tank
Legend combines multiple capacity options, stainless steel material choices, and customization capabilities to support different heating and cooling projects. With attention to welding quality, leakage inspection, insulation, and application requirements, Legend helps customers specify a buffer tank suited to their equipment and installation conditions.
Contact Legend to discuss capacity selection, material options, connection requirements, and OEM customization for your next buffer tank project.





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