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Plate Heat Exchanger

VEVOR Pushing Innovative Boundaries with Brazed Plate Heat Exchanger

The effectiveness of heat exchanger systems remains the cornerstone of efficient operation in many areas. Whether it’s optimizing HVAC systems, optimizing technical processes, or improving the use of renewable energy, the efficient and reliable operation of heat exchanger technology is very important.

Among the innovations in this field, the Brazed Plate Heat Exchanger (BPHE) has emerged as a revolutionary solution, offering unparalleled performance, compactness, and versatility to the capabilities of the BPHE suite many transcend traditional boundaries and find applications in a variety of industries and processes.

At the forefront of pushing the boundaries of this cutting-edge technology, VEVOR is a powerful force in engineering and manufacturing.

An Overview of Brazed Plate Heat Exchanger And Working Mechanism

A brazed plate heat exchanger (BPHE) is a compact and efficient device for transferring heat between two fluids. It consists of many thin metal plates stacked together, brazed with edges to create alternating channels for the two fluids. These channels increase fluid contact, facilitating efficient heat transfer to the plates.

The operation of brazed plate heat exchangers is based on the principles of conduction and convection. Here is a breakdown of how it works:

Fluid Flow

The two fluids in the heat exchanger system flow through alternative channels in the BPHE. One stream usually passes through a stream composed of odd-numbered plates, while the other passes through an even-numbered stream. This arrangement increases the temperature between the streams.

Heat Transfer

As the fluids move along their paths, heat is transferred from the hotter to the colder fluid through the narrow plate. The greater proximity of the fluid to its plate surface results in more efficient heat exchange slowly.

The water is at different temperatures and can experience flow, but the design of the BPHE ensures maximum thermal efficiency.

Different Materials Of Brazed Plate Heat Exchanger

Brazed plate heat exchangers (BPHEs) are versatile devices for efficient heat transfer between two fluids. The choice of materials for BPHE construction depends on factors such as operating conditions, fluid compatibility, and the application's specific requirements.

Nickel Alloys

Nickel alloys such as Inconel and Monel are used in BPHE for corrosion or overheating applications. These alloys offer excellent resistance to corrosion, oxidation, and thermal degradation, making them suitable for harsh operating conditions. Nickel alloy BPHEs are commonly found in chemical plants, petrochemical plants, and offshore oil and gas rigs.


Titanium is known for its exceptional corrosion resistance, especially in harsh environments such as seawater and chemicals. Titanium BPHE is lightweight, durable, and foolproof, making it ideal for marine applications, desalination sites, and corrosive water applications. Still, titanium is more expensive than other materials, affecting heat exchanger costs.


Copper is valued for its excellent thermal conductivity, making it an excellent choice for applications requiring high heat transfer where copper BPHE is commonly used. These include HVSC systems, cooling units, and heater recovery. However, copper is more corrosive than stainless steel, especially in certain areas, so careful material selection and water compatibility are important.

Other Materials

Depending on the application's specific requirements, BPHE can also be made of other materials such as carbon steel, aluminum, and various alloys. Each material offers unique characteristics and benefits, and the choice is based on factors such as water compatibility, temperature gradient, pressure level, and cost considerations.

Brazing Techniques for Brazed Plate Heat Exchangers

Various techniques can be used for the brazing process. Each technique has its characteristics and advantages, so getting familiar with them will enable you to choose properly. Here are some common brazing techniques:

Vacuum Brazing

Vacuum brazing is a common method for BPHE production, especially for applications requiring high purity and strict control of the brazing conditions.

In vacuum brazing, the BPHE assembly is heated in a vacuum oven under controlled conditions, which provides clean, oxide-free joints and reduces residual stress.

Controlled Atmosphere Brazing (CAB)

Controlled atmosphere brazing is an alternative method to braze BPHE in a controlled atmosphere of nitrogen or argon gas with controlled oxygen and moisture levels. CAB is suitable for high-volume production and gives good control over the brazing atmosphere and joint quality.

Flame Brazing

Flame brazing is a conventional method in which an oxy-acetylene or oxy-propane flame is used to heat the BPHE assembly. Fire brazing is generally used for minor repairs and requires skilled workers to control the brazing process and achieve high-quality joints.

Induction Brazing

Induction brazing uses electromagnetic induction to heat the BPHE assembly and melt the brazing filler metal. Induction brazing provides fast heat transfer, precise temperature control, and local heating, making it suitable for automated production and high-volume manufacturing of BPHE.

Why Choose VEVOR Brazed Plate Heat Exchanger?

From heating, ventilation, and air conditioning (HVAC) systems in commercial buildings to refrigerators in supermarkets, the flexibility of VEVOR’s BHPE makes it the most sophisticated choice.

VEVOR’s brazed plate heat exchangers offer excellent value for money, combining high performance, reliability, and durability at a competitive price. VEVOR’s brazed plate heat exchangers are manufactured from corrosion-resistant materials such as stainless steel, copper, and nickel alloys, ensuring compatibility with a wide range of water and environmental conditions.

VEVOR's BPHEs' compact design, turbulent flow channel, and countercurrent system promote efficient heat exchange, reduce pressure drop, and improve thermal efficiency. VEVOR is known for its commitment to quality and reliability in engineering and manufacturing.

VEVOR’s brazed plate heat exchangers are carefully engineered and manufactured using high quality materials and advanced manufacturing processes to ensure durability, reliability, and performance under demanding operating conditions

FAQs About Brazed Plate Heat Exchanger

What are the advantages of brazed plate heat exchangers?

BPHE offers many advantages, such as high temperature, compact structure, versatility, durability, and corrosion resistance. They are also cost-effective, easy to install, and require less maintenance than traditional heat exchangers.

How are brazed plate heat exchangers installed and maintained?

BPHEs are generally installed according to the water systems they are designed to use. proper installation, including placement and installation, is critical to your productivity. Maintenance requirements are minimal but include periodic cleaning to prevent contamination and to check for leaks or damage.

Can brazed plate heat exchangers be customized for specific applications?

Many manufacturers offer custom systems and products to tailor brazed plate heat exchangers to specific customer requirements such as size, materials, connections, and performance specifications.