Shenzhen Xinhaisen Technology Limited
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Precision Etched Printed Circuit Heat Exchangers Superior Thermal Efficiency
Printed Circuit Heat Exchangers Overview
Xinhsen's chemically etched PCHEs represent the next generation of compact heat exchangers, delivering unmatched thermal performance in critical applications. Utilizing our proprietary photochemical etching technology, we create complex micro-channel patterns that achieve superior heat transfer efficiency while maintaining exceptional pressure resistance.
Key Advantages
✔ Ultra-high efficiency - Surface area density up to 2500 m²/m³
✔ Extreme pressure capability - Up to 600 bar operational pressure
✔ Compact & lightweight - 85% smaller than conventional exchangers
✔ Corrosion resistant - Wide material compatibility
✔ Custom flow designs - Optimized channel patterns for each application
Printed Circuit Heat Exchangers Specifications
| Parameter | Specification |
| Materials Available | 316L SS, Inconel 625/718, Titanium, Hastelloy |
| Operating Temperature | -200°C to +900°C |
| Operating Pressure | Up to 600 bar |
| Channel Width | 0.2mm - 2.0mm |
| Channel Depth | 0.5mm - 5.0mm |
| Plate Thickness | 0.5mm - 6.0mm |
Design Features
• Channel Patterns: Straight, zigzag, sinusoidal, or custom CFD-optimized
• Layer Stacking: Diffusion bonded or brazed construction
• Port Configurations: Cross-flow, counter-flow, multi-pass designs
• Special Features: Integrated sensors, hybrid channel sizes
Performance Data
◈ Heat transfer coefficients: 3000-8000 W/m²K
◈ NTU values up to 50
◈ Temperature approach within 3°C
◈ Pressure drop as low as 0.1 bar
Applications
▸ Supercritical CO₂ power cycles
▸ LNG & cryogenic processing
▸ Nuclear reactor systems
▸ Aerospace thermal management
▸ Hydrogen fuel cell systems
▸ Industrial waste heat recovery
Quality Assurance
100% dimensional inspection (optical measurement)
Material certificates (MTC, EN10204 3.1)
Pressure testing to 1.5x design pressure
ASME BPVC Section VIII Division 1 compliant
ISO 9001 & AS9100 certified production
Customization Options
✓ CFD-optimized channel designs
✓ Special coatings (Ni, Cr, ceramic)
✓ Instrumentation ports
✓ Compact modular units
✓ Full system integration
Why Choose Xinhsen PCHE?
Our chemical etching process enables:
• True micro-scale features without mechanical stress
• Perfect channel uniformity for balanced flow
• Complex geometries impossible with machining
• Rapid prototyping - 2-3 weeks for test samples
Production Capacity
• Prototypes: 2-3 weeks
• Mass production: 50,000+ plates/month
• Complete units: 4-8 weeks lead time
