The Compact Brazed Plate Heat Exchanger (C-BPHE) leverages micro-channel corrugated SUS316 plates fused via advanced vacuum brazing. Engineered specifically for applications with strict spatial and weight limitations, it delivers maximum thermal density within a minimized footprint for laser cooling, EV charging stations, residential boilers, and micro-heat pumps.
Technical Parameters & Compliance
Item
Specification Range
Google EEAT & Buyer Verification
Plate Material
SUS316 / SUS316L
Low-carbon premium grade for high durability
Brazing Material
99.9% Pure Copper / Optional Nickel
Forms a seamless, high-strength monoblock structure
Plate Thickness
0.3 mm – 0.4 mm
Ultra-thin micro-plates for optimized conduction
Design Pressure
30 bar – 45 bar
High pressure resistance despite small external dimensions
Test Pressure
45 bar – 65 bar
100% factory pressure validated for absolute safety
Operating Temp.
-196°C to +200°C
Handles extreme cryogenic expansion and thermal shock
Footprint Reduction
Up to 85% vs. Shell-and-Tube
Maximizes cabinet space allocation for system integration
Certificates
ASME (U/U2), National Board, AD2000
100% compliant with global pressure equipment codes
Leak Test
100% Helium Leak & Pressure Tested
Zero-leakage guarantee for sensitive electronic/industrial loops
Core Technical Advantages
Extreme Power Density: Micro-corrugated patterns generate high fluid turbulence at low velocities, allowing a tiny unit to replace traditional shell-and-tube or gasketed exchangers up to six times its size and weight.
Minimized Fluid Holding Volume: Extremely narrow internal channels sharply reduce the required refrigerant or coolant charge, lowering chemical fluid costs and speeding up system thermal response.
Vibration-Proof Monoblock Structure: Fused as a single metallic entity without gaskets or external bolts, making it highly resistant to continuous mechanical vibration in mobile or industrial machinery cabinets.
Certified Manufacturing & Quality Control
Strict Code Compliance: Manufactured and stamped under certified ASME (U & U2) and European AD 2000-Merkblatt frameworks to easily clear regional regulatory inspections.
ISO 3834-2 Precision Joining: Computer-controlled vacuum brazing ensures 100% copper/nickel penetration at every micro-node, eliminating dry spots and weak joints.
100% Helium Mass Spectrometry: Every single unit passes a rigorous helium vacuum leak test to guarantee zero internal cross-contamination, crucial for protecting water-sensitive systems like electronics and lasers.
OEM/ODM & Engineering Support
Micro-Fluidic Selection Software: Precision thermodynamic calculations tailored for low flow rates, micro-pressure drops, and high heat fluxes.
Custom Space-Saving Ports: Available with compact elbows, customized BSP/NPT threads, or solder connections oriented at custom angles to fit ultra-tight chassis layouts.
Turnkey Integration Accessories: Supplied with custom-fit, fire-retardant EPP insulation shells and integrated mounting brackets for fast factory assembly.
FAQ
Q: How does a compact exchanger maintain high heat transfer efficiency with such small dimensions?
A: Efficiency comes from our micro-stamped chevron patterns. These channels disrupt the fluid boundary layers and force continuous mixing (high turbulence) even at very low flow rates. This creates a massive effective heat transfer coefficient, meaning you get the same thermal capacity inside a fraction of the physical volume.
Q: Is a compact micro-channel structure more prone to fouling or clogging?
A: Because the channels are narrow, we mandate the installation of an inline Y-strainer (16-20 mesh, filtering particles > 1 mm) on the fluid inlets. However, the high-turbulence flow design also creates a continuous fluid shear stress that minimizes particle adhesion, giving the unit a natural self-cleaning effect under steady flow conditions.
Q: Can these compact units be customized to fit inside pre-existing, non-standard equipment cabinets?
A: Yes. We specialize in tailoring connection heights, thread types (BSP/NPT/Solder), and multi-circuit configurations to directly match your spatial constraints. Our engineering team can adjust the plate stacking height to give you the exact thermal capacity required within your physical cabinet dimensions.
Q: What is the benefit of your ultra-low internal volume for eco-friendly refrigerants like R290 (Propane)?
A: Flamable or high-GWP refrigerants face strict charge weight limits in commercial and residential equipment. Our compact internal channel geometry allows you to design high-performance heat pumps or chillers while keeping the total refrigerant charge safely below standard regulatory ATEX limits ($150\text{g}$ or $494\text{g}$ thresholds).
Q: What are your shipping port capabilities and manufacturing lead times for mass OEM orders?
A: All shipments are dispatched from Qingdao Port under standard international trade terms (FOB, CIF, DDP). Our automated production line ensures a highly predictable lead time of 15–20 days for bulk OEM orders, complete with traceable mill sheets and pressure testing certificates.
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