Fully Welded Plate Heat Exchangers
Engineered for Aggressive Fluids, High Pressures, and Extreme Thermal Loads.
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Technical Overview
Our Fully Welded Plate Heat Exchangers (WPHE) combine the extraordinary heat transfer efficiency of corrugated plates with the rugged, gasket-free durability of a heavy-duty pressure vessel. Utilizing a fully laser-welded plate pack, these units are specifically designed to handle highly aggressive chemicals, intense temperature gradients, and immense pressures where standard elastomers would instantly fail.
Engineering Specifications
| Max Operating Pressure | Up to 60+ BAR |
| Extreme Temp Range | -200°C to +1000°C |
| Plate Materials | SS316L, Hastelloy C-276, Titanium, Inconel |
| Housing Configurations | Welded Block, Shell & Plate, Wide-Gap Welded |
| Gasket Usage | Zero Gaskets in process channels (100% welded) |
| Certifications | ASME Section VIII, PED, ISO 9001 |
Industries & Applications Served
Oil & Gas Refining
Handles crude oil heating, high-pressure hydrocarbon cooling, and sour gas processing safely.
Steam Recovery
Highly efficient steam condensing and boiler feedwater preheating in large power generation plants.
Gas-to-Gas Transfer
Capable of handling extreme temperature gas streams for thermal oxidizers and exhaust heat recovery.
Harsh Chemicals
Processes aggressive solvents, hot acids, and concentrated amines that quickly dissolve standard rubber gaskets.
Why Choose PAL Engineers
Gasket-Free Integrity
The entire plate pack is completely fusion-welded. With zero elastomeric gaskets in the heat transfer zone, we eliminate chemical degradation, blow-outs, and replacement downtime.
Severe Thermal Shock Resistance
The sophisticated laser-welding technique allows the plate core to safely expand and contract, easily withstanding extreme temperature cycling up to 1000°C without structural fatigue.
Ultra-Compact Footprint
Our fully welded design requires up to 70% less floor space and operational volume compared to traditional tubular heat exchangers of the exact same thermal capacity.
