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VISER Co., Ltd. · Heat Exchanger Business Division Purpose-built for Data Centers, Korea's first PHE achieving LMTD 1°C — verified by KATRI independent testing. Officially designated K-Innovative Product by the Public Procurement Service (Dec 2025).
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▶ Product Introduction Videos
Watch our VISER Heat Exchanger Business Division introduction videos. Learn about the VX Series and VISER's core technology in under 3 minutes.
PRODUCT VIDEO · 150s
FreeCooling Ultra-HE Plate Heat Exchanger
LMTD 1°C · AHRI Certified · K-Innovative — VX Series in 150 seconds
SHORTS
VISER Heat Exchanger Division
Quick intro to VISER's Heat Exchanger Business Division
02 Core Technical Features
The VX Series is engineered around four core technologies.
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🌡️ ① LMTD 1°C Ultra Efficiency 1°C / LMTD · KATRI Verified
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🔩 ② High-Pressure Design 25–28 bar 28bar / MAX. PRESSURE · 5 Models AHRI
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⚙️ ③ In-House Gasket Manufacturing NBR·EPDM · FDA APPROVED
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🌿 ④ Eco-Friendly & ESG Design CO₂ Reduced · ESG Compliant
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03 Product Specifications
All 5 models including VX-25B and VX-35B hold AHRI LLHE Standard 400 international certification. Max. working pressure 25–28 bar, LMTD ≤ 1°C. Custom specs available on request.
| Specification | VX-25B | VX-35B | 3 Add. Models |
|---|---|---|---|
| Max. Working Pressure | 25 bar | 28 bar | 25 – 28 bar |
| LMTD Achieved | ≤ 1°C | ≤ 1°C | ≤ 1°C |
| AHRI LLHE Cert. | ✔ Certified | ✔ Certified | ✔ Certified |
| Gasket Material | Patented EPDM | Patented EPDM | Patented EPDM |
| Primary Application | Data Center / Aquathermal | Data Center / Aquathermal | Industrial / HVAC |
| ASME Audit | Planned Jul 2026 | Planned Jul 2026 | Planned Jul 2026 |
| ISO Certifications | ISO 9001·14001·45001 | ISO 9001·14001·45001 | ISO 9001·14001·45001 |
※ All 5 models hold AHRI LLHE Standard 400 certification
※ Custom capacity, pressure & material specifications available upon request
Certifications & Designations
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04 Application Areas & Full Product Lineup
Applicable across data center server cooling (FreeCooling), aquathermal heat pump systems, ESS battery thermal management, and diverse industrial sectors including high-rise buildings, hospitals, and factories.
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🖥️ Data Center Cooling Server FreeCooling / Cooling tower / PUE min. |
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🌊 Aquathermal Energy River/lake heat source / Heat pump / Carbon-neutral |
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🔋 ESS Thermal Mgmt. Battery heat dissipation / Temp. control / Safety |
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🏢 Building & HVAC High-rise / HVAC integration / Hospitals & factories |
| 제품 코드 | Product | Features |
|---|---|---|
| VX Series | FreeCooling Ultra-HE Plate Heat Exchanger | AHRI LLHE Certified · K-Innovative Product |
| DHU | District Heating Unit | Supply record: LH · SH · GH |
| BHU | Box-Type Heat Exchanger | Compact packaged unit |
| SHU | Steam Line Heat Exchanger | High-temp industrial processes |
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VISER operates a fully vertically integrated manufacturing system, producing 100% of rubber gaskets (NBR & EPDM) in-house — ensuring cost competitiveness and quality consistency. Holding ISO 9001/14001/45001, US FDA material approval, AHRI LLHE international certification, and K-Innovative Product designation, VISER is advancing toward its ASME audit (Jul 2026) as part of its global expansion strategy. |
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VISER Co., Ltd. · Heat Exchanger Business Division
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