Special arrangement of the channels ensures maximum heat transfer efficiency on the lower flow rate side with a minimum pressure drop on the secondary circuit.
The HEXONIC AS asymmetric brazed plate heat exchanger is designed especially for heating applications. Its special channel arrangement is engineered to ensure maximum heat transfer efficiency on the lower flow rate side while maintaining a minimum pressure drop on the secondary circuit.
The biggest advantage of the AS series is its compact size and the possibility of using lower power pumps in central heating systems. In many cases, the efficiency of asymmetric heat exchangers can be up to 18% higher compared to standard brazed plate heat exchangers, making the AS series an excellent choice for modern heating systems where efficiency and low operating costs are critical.
Key Features
- Up to 18% higher efficiency: In many cases, asymmetric heat exchangers can achieve up to 18% higher efficiency compared to standard brazed plate heat exchangers.
- Lower pressure drop on the secondary side: The channel arrangement is designed to minimise water pressure drop on the secondary circuit.
- Compact size: The AS series offers a compact footprint, making it well suited to modern heating installations with limited space.
- Lower pump power requirement: The reduced pressure drop allows the use of lower power pumps in central heating systems.
- Increased capacity: Corrugated heating plates form an additional flow channel, increasing exchanger capacity.
- Higher maximum water flow: The asymmetric plate design supports increased maximum water flow.
- Greater flow turbulence on the primary side: The plate design improves turbulence, supporting efficient heat transfer.
- Lower refrigerant requirement: This is listed as one of the core features of the AS series.
- Low carbon footprint: The live page highlights low carbon footprint as a product feature.
- Stainless version available: A version made entirely of stainless materials, LUNA™, is also available.
Advantages of the plate
- Active front plate forms an additional channel
- Lower water pressure drop
- Increased maximum water flow
- Higher flow turbulence
Technical Specifications
| Parameter | Specification |
| Design Standards | ASME; UL; PED; EAC |
| Max Design Pressure | 25 bar / 250 PSI |
| Max Design Temperature | 230°C / 450°F |
| Heating Plates Materials | Stainless steel 1.4404 (AISI 316L), copper brazing |
| Front and Rear Plate Materials | Stainless steel 1.4301 (AISI 304) |
| Design Types | Asymmetric brazed plate heat exchanger for heating application |
| Connection Types | External thread / external thread (NPT): from 3/8″ to 5/2″Internal thread / internal thread (NPT): from 3/8″ to 2″Dual connections (external thread and soldering): from 3/8″ to 5/2″Victaulic: from 3/2″ to 5/2″Flange: DN50 PN40 Type 11B / ANSI B16.5 2″ Class 300 SORF |
| Certification | ASME; UL; PED; EAC |
Typical Applications
Frequently Asked Questions
The HEXONIC AS series is designed especially for heating applications. Its asymmetric channel layout is intended to maximise heat transfer efficiency on the lower flow rate side while keeping pressure drop on the secondary circuit to a minimum.
The main advantage is the combination of compact size, lower pressure drop on the secondary side, and the possibility of achieving up to 18% higher efficiency compared to standard brazed plate heat exchangers.
Because the secondary-side pressure drop is lower, the AS series can allow the use of lower power pumps in central heating systems, which can help reduce energy consumption and operating costs.
