Brazed Plate Heat Exchangers

SWEP E8ASH Brazed Plate Heat Exchanger: Technical Specifications and Key FeaturesIn the world of efficient heat transfer solutions, the SWEP E8ASH brazed plate heat exchanger (BPHE) stands out as a compact, high-performance option designed for demanding applications like HVAC systems, refrigeration, district heating, and industrial cooling. Part of SWEP’s renowned E-series—the most efficient BPHE line on the market—the E8ASH leverages patented AsyMatrix technology to deliver asymmetric channel geometry. This innovation maximizes heat transfer on the refrigerant side while minimizing pressure drop on the water or secondary fluid side, resulting in up to 30% lower hold-up volume, improved coefficient of performance (COP), and reduced pumping energy needs.Whether you’re optimizing a chiller, evaporator, condenser, or economizer, the SWEP E8ASH offers unparalleled thermal efficiency in a lightweight, space-saving design. Compared to traditional shell-and-tube heat exchangers, it’s up to 90% smaller in weight and volume, making it ideal for retrofits or new installations where footprint matters. Below, we break down the technical specifications, performance data, and installation guidelines for the SWEP E8ASH to help engineers, HVAC professionals, and system designers select and integrate it seamlessly.Key Technical SpecificationsThe SWEP E8ASH is engineered for reliability and versatility. Here’s a comprehensive overview of its core specs:

Parameter
Specification/Details
Plate Material
AISI 316L stainless steel (standard); optional SMO 254 for corrosive environments
Brazing Material
99.9% pure copper (C); nickel-based (N) for ammonia or copper-free applications
Design Pressure
Up to 45 bar (test pressure: 67.5 bar)
Max. Operating Temperature
+180°C (short-term up to +225°C)
Min. Operating Temperature
-195°C (suitable for low-temperature refrigeration)
Connection Types
Threaded (G 3/4″ or G 1″); customizable flanges or solder ends available
Port Configuration
4 ports standard; supports single-phase or dual-phase (refrigerant/water) flow
Plate Thickness
0.3 mm (ultra-thin for maximum surface area and efficiency)
Channel Type
Asymmetric (AsyMatrix): High turbulence on refrigerant side, low pressure drop on water side
Weight (Approximate, 30 Plates)
2.5–3.5 kg (varies by plate pack)
Dimensions (H x W x D)
Height: 192 mm; Width: 76 mm; Depth: 60 mm (compact footprint for easy integration)
Certifications
CE, UL, CRN, ASME; PED 2014/68/EU compliant; drinking water approvals (ACS, WRAS, NSF)
Energy Efficiency
EEI < 0.15 (exceeds ErP directives); up to 20% better thermal performance vs. symmetric designs

These specs make the SWEP E8ASH a go-to choice for applications requiring high-efficiency brazed plate heat exchangers, such as air conditioning units, heat pumps, and solar thermal systems. Its vacuum-brazed construction ensures leak-proof joints at every contact point, with no gaskets to degrade over time.Performance Data and Hydraulic/Thermal CharacteristicsSWEP’s AsyMatrix design in the E8ASH optimizes flow dynamics: refrigerant channels promote high turbulence for superior heat transfer (up to 5,000 W/m²K), while water channels reduce pressure drop to under 20 kPa at typical flows. This asymmetry prevents the common trade-off in symmetric BPHEs, where boosting heat transfer spikes energy use for pumping.Typical Performance Example (for water-to-refrigerant evaporation at 5°C evaporation temperature, 40/45°C water inlet/outlet):

  • Thermal Capacity: 20–50 kW (scalable with plate count: 10–200 plates)
  • Refrigerant Flow Rate: 0.5–2 kg/s (R410A, R134a, CO2, or ammonia compatible)
  • Water Flow Rate: 1–3 m³/h
  • Pressure Drop (Water Side): 10–15 kPa
  • Pressure Drop (Refrigerant Side): 50–100 kPa
  • Approach Temperature: As low as 2–3°C for energy recovery

For precise sizing, use SWEP’s online selection tool or consult the official datasheet. In district energy setups, the E8ASH can handle several megawatts when paralleled, supporting sustainable goals like net-zero emissions.Installation and Maintenance GuidelinesInstalling a SWEP E8ASH BPHE is straightforward, enhancing its appeal for field technicians:

  1. Orientation: Mount vertically (ports up) for optimal drainage in refrigeration; horizontal for heating.
  2. Connections: Use silver solder (min. 45% Ag) at 450–800°C—never direct flame at the unit. Protect with a wet rag to avoid overheating.
  3. Flow Direction: Counter-current recommended for max efficiency; label ports clearly (hot/cold inlets).
  4. Cleaning: CIP-compatible; flush with water or mild acid for scale buildup. No routine maintenance needed due to robust brazed design.
  5. Safety Notes: For flammable refrigerants, use welded fittings only. Ensure system pressure stays below 10 bar for potable water apps.

SWEP’s global support network provides custom configurations, ensuring the E8ASH fits your exact needs—from residential boilers to industrial chillers.Why Choose SWEP E8ASH for Your Next Project?As a leader in brazed plate heat exchanger technology, SWEP’s E8ASH delivers lifecycle cost savings through 15–20% higher efficiency and 50% less refrigerant charge. It’s eco-friendly, RoHS-compliant, and built to last 20+ years in harsh conditions. For OEMs and contractors searching for “SWEP E8ASH technical data,” this unit represents the pinnacle of compact, reliable heat transfer.Ready to optimize your system? Download the full SWEP E8ASH datasheet or contact a SWEP representative today. Explore more on SWEP’s AsyMatrix brazed plate heat exchangers for revolutionary performance in HVAC and beyond.

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