AL Series Plate Heat Exchanger Unit Models M3 M6 M10 M15 M20 M30 And More
The Plate Heat Exchanger (PHE) is an advanced heat transfer device designed for high-efficiency thermal exchange between fluids. It consists of a series of corrugated metal plates stacked together, forming separate channels for hot and cold fluids. The plates are sealed with gaskets or permanently brazed/welded, ensuring leak-proof operation. PHEs are widely used in HVAC, power plants, chemical processing, food & beverage, pharmaceuticals, and marine industries.
✅ Highly efficient heat transfer (Up to 90%)
✅ Compact & modular design – Easy to scale by adding/removing plates
✅ Energy-efficient & cost-effective – Reduces operational costs
✅ Easy maintenance & cleaning – Plates can be easily removed (for gasketed PHEs)
✅ Customizable for specific industry needs – Various plate materials & gasket options available
Structure & Working Principle
Main Components of a Plate Heat Exchanger
| Component | Description |
| Plates | Corrugated metal sheets that form heat exchange channels. |
| Gaskets | Seals the plates to prevent fluid mixing (only for gasketed PHEs). |
| Frame & Tie Bars | Holds the plates together, allowing assembly/disassembly. |
| Connections | Inlet/outlet ports for fluid flow. |
How It Works
1. Two fluids (hot & cold) enter through separate inlets.
2. Fluids flow through alternating narrow channels without mixing.
3. Heat is transferred from the hot fluid to the cold fluid via the plates.
4. Cooled hot fluid & heated cold fluid exit through separate outlets.
5. Efficient turbulence flow ensures maximum heat exchange with minimal fouling.
Technical Specifications
| Parameter | Specifications |
| Plate Material | SS304, SS316L, Titanium, Hastelloy |
| Gasket Material | NBR, EPDM, Viton |
| Frame Material | Carbon Steel, Stainless Steel |
| Maximum Temperature | 200°C (392°F) |
| Maximum Pressure | 25 bar (360 psi) |
| Flow Rate | 1 – 5000 m³/h |
| Plate Thickness | 0.4 – 1.0 mm |
| Channel Gap | 2 – 5 mm (customizable) |
Industry Applications & Case Studies
| Industry | Common Applications |
| HVAC & Cooling | District heating, air conditioning, heat recovery |
| Food & Beverage | Pasteurization, dairy processing, brewing |
| Chemical Industry | Process heating, solvent recovery, cooling |
| Power Generation | Turbine & generator cooling, lubrication oil cooling |
| Marine & Offshore | Engine cooling, seawater desalination |
| Pharmaceuticals | Sterilization, precise temperature control |
Case Study Example:
• Food Industry: A leading dairy company reduced energy consumption by 30% by switching to a customized gasketed plate heat exchanger for pasteurization.
• Power Plants: Implementation of welded PHEs improved efficiency in cooling turbine lubrication systems, extending equipment lifespan.
Frequently Asked Questions (FAQ)
Q1: How do I choose the right Plate Heat Exchanger?
A: Provide details such as fluid type, temperature range, flow rate, pressure, and application. Our engineers will recommend the best model.
Q2: Can PHEs handle high-pressure applications?
A: Yes, welded and semi-welded PHEs are designed for high-pressure environments.
Q3: How often should I clean my PHE?
A: Cleaning frequency depends on usage, but CIP (Clean-in-Place) maintenance is recommended every 6–12 months for optimal performance.
Order & Inquiry Process
To get a quote, please provide:
1. Fluid types & temperatures (hot & cold sides)
2. Flow rate & pressure range
3. Preferred material (plates & gaskets)
4. Application details & industry
5. Installation environment (space constraints, corrosion factors, etc.)
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