Why Genuine Gaskets and Plates Matter for Your Heat Exchanger Performance

In the world of plate heat exchangers, not all parts are created equal. When it comes to maintaining optimal performance and minimizing costs, the quality of your replacement parts is crucial. Using lower-cost, lower-quality plates and gaskets can lead to decreased efficiency and increased expenses over time.

The Importance of Genuine Rubber Gaskets

Genuine rubber gaskets are essential for ensuring tighter seals, a longer lifespan, and more uptime for your gasketed plate heat exchangers. Did you know that Alfa Laval gaskets can contain up to 30% more polymer than other gaskets? This contributes significantly to optimal sealing, reducing the risk of leaks and downtime.

Don't be misled by gaskets that are slightly thicker. Thicker does not mean better; in fact, incorrect thickness can lead to inaccurate tightening calculations, causing leakage, deformation, and even the destruction of the entire plate pack. This is a common issue experienced by customers who opt for non-OEM spare parts.

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The Advantage of Genuine Plates

Genuine Alfa Laval plates are manufactured using a single-step pressing process. This technique ensures uniform plate strength and thickness across the entire plate, significantly reducing the risk of fatigue cracking. The correct material quality is vital for your process, and Alfa Laval ensures that every plate is specified according to its intended use.

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Comprehensive Plate Packs

In addition to individual spare parts, we offer complete spare plate packs. These packs often replace the most affected parts of a plate heat exchanger, restoring its function without the need for a full replacement. Installing a new plate pack can revitalize your heat exchanger, ensuring continued performance and efficiency.

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The Results of Alfa Laval Parts Performance Investigation

To illustrate the inefficiency of some suppliers' parts, Alfa Laval conducted a comprehensive investigation. This study replaced an original plate in an Alfa Laval plate heat exchanger with plates from three other suppliers. Conducted by an accredited laboratory, the investigation included visual examinations, stereo microscope evaluations, photographic documentation, and pressing depth measurements.

The results were clear: discrepancies were found in eight major areas of the other suppliers' plates, leading to severe performance issues:

• Plate Pattern: Caused uneven fluid distribution
• Plate Distribution Area: Increased fouling, decreased stability, and leakage
• Pressing Depth: Uneven press depths were susceptible to cracking
• Portholes: Off-center portholes weakened the sealing system
• Corner Guides: Poor corner guidance increased misalignment and plate sliding
• Gasket Groove: Weak groove edges risked gasket blowout
• Gasket Attachment: Weakened plates due to stress
• Carrying Bar Plate Interface: Incorrectly shaped interface caused plate sliding

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????????? Petru Cosei???- Technical Manager?????

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