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Gasketed Plate Heat Exchanger
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Product Details
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What is Gasketted Plate Heat Exchanger
Plate Heat Exchanger is composed of many heat exchange plates which are sealed by gaskets and tightened together by tie rods with locking nuts between frame plate. The medium runs into the path from the inlet and is distributed into flow channels between heat exchange plates. The two fluids flow countercurrent in the channel, the hot fluid transfers heat to the plate, and the plate transfers heat to the cold fluid on the other side. Therefore the hot fluid is cooled down and the cold fluid is warmed up.
Product Advantage
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Compact & Modular Design
Surface-Area Density: Achieves 100–200 m²/m³ (vs. 20–50 m²/m³ for shell-and-tube), reducing footprint by 70–90%.
Scalability: Plates can be added/removed to adjust capacity without replacing the entire unit.Thermal Efficiency
Corrugated Plate Patterns: Herringbone, chevron, or washboard designs create turbulent flow, enhancing heat transfer coefficients (U-values of 3,000–7,000 W/m²·K for liquid-liquid applications).
Temperature Approach: Achieves temperature cross (hot outlet cooler than cold outlet) in counterflow configurations. -
Material & Construction Flexibility
Plates: Stainless steel (316L for general use), titanium (seawater/chloride resistance), Hastelloy (acidic environments)
Gasketted: Nitrile/EPDM/Viton gaskets for easy maintenance.Operational Versatility
Multi-Pass Configurations: Optimize for variable flow rates or temperature gradients.
Low Fouling: Smooth plates and CIP (Clean-in-Place) compatibility reduce downtime.
Product Parameters
| Parameter Item | Parameter |
|---|---|
| Max. Design Temperature | 180 ℃ |
| Max. Design Pressure | 36 Bar |
| Plate Thickness | 0.4 – 1.0 mm |
| Nozzle Size | Nozzle Size |
| Max. Area | 4000㎡ |
How to design and manufacture
Gasketted Plate Heat Exchanger
Design
- Process requirements analysis: Determine the heat transfer capacity, fluid flow rates, inlet and outlet temperatures, and pressure drop requirements based on the specific application.
- Plate selection: Choose the appropriate plate material, such as stainless steel, titanium, or nickel - based alloys, considering factors like corrosion resistance and thermal conductivity. Select the plate pattern and size to optimize heat transfer and fluid distribution. Common plate patterns include chevron - type and herringbone - type.
- Calculation of heat transfer area: Calculate the required heat transfer area using heat transfer equations and correlations, taking into account the overall heat transfer coefficient, logarithmic mean temperature difference, and heat load.
- Determination of flow arrangement: Decide on the flow arrangement, such as counter - flow or parallel - flow, to maximize the heat transfer efficiency. Also, determine the number of passes and channels for each fluid to achieve the desired flow velocity and pressure drop.
- Mechanical design: Design the frame, headers, and gaskets to ensure proper sealing and mechanical strength. Consider the operating pressure and temperature conditions to select suitable materials and design features.
Manufacture
- Plate manufacturing: The plates are usually formed by stamping or pressing metal sheets into the desired pattern. Then, they are welded or brazed together at the edges to form a sealed channel.
- Frame and header fabrication: The frame and headers are fabricated from suitable metals, such as carbon steel or stainless steel, using welding and machining processes. They are designed to support the plates and provide the necessary connections for the fluid inlets and outlets.
- Gasket installation: Gaskets are installed between the plates to ensure a leak - tight seal. The gaskets are made of elastomeric materials, such as nitrile rubber or ethylene - propylene - diene - monomer (EPDM), and are carefully placed in the gasket grooves on the plates.
- Assembly: The plates, frame, headers, and gaskets are assembled together to form the complete plate heat exchanger. The assembly process requires careful alignment and tightening of the bolts to ensure proper sealing and operation.
- 5.Testing: The manufactured plate heat exchanger is subjected to various tests, including pressure testing, leak testing, and heat transfer performance testing. These tests are carried out to ensure that the heat exchanger meets the design requirements and operates safely and efficiently.
Applications of Plate Heat Exchangers
Plate heat exchangers are widely used across industries due to their efficiency, compact design, and versatility. They play a critical role in applications such as HVAC systems, chemical processing, food and beverage production, and power generation. By reducing energy consumption and operational costs, plate heat exchangers significantly enhance industrial efficiency and sustainability, making them indispensable in modern industrial operations..
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Heat Exchange Solutions for Oil and Gas IndustryOil and Gas industry is a cornerstone of modern industry, with a supply chain covering everything from the extraction and processing of oil and gas to the production and sale of various petrochemical products. These products are widely used in sectors such as energy, chemicals, transportation, construction, and pharmaceuticals, making the industry essential for economic development. Plate heat exchangers are widely applied in the oil and gas industry due to their high efficiency, compact size, corrosion resistance, and ease of maintenance, making them an ideal choice for this sector. -
Heat Exchange Solutions for Metallurgy IndustryMetallurgy industry is a critical sector for raw material production, often referred to as the “backbone of industry.” It is generally divided into ferrous metallurgy, which includes iron and steel production, and non-ferrous metallurgy, which involves the processing of metals such as copper, aluminum, lead, zinc, nickel, and gold. -
Heat Exchange Solutions for Food IndustryFood industry encompasses production, processing, packaging, and distribution of consumables, prioritizing safety, efficiency, and sustainability. Key sectors include dairy, beverages, canned goods, and prepared foods. Plate heat exchangers (PHEs) play a vital role in thermal processes such as pasteurization, heating, cooling, and concentration. Their compact design, high heat transfer efficiency, and hygienic surfaces ensure rapid temperature control while minimizing energy waste. PHEs also reduce cross-contamination risks and support heat recovery systems, aligning with industry demands for cost-effectiveness and eco-friendly practices. Applications span milk sterilization, juice processing, and waste heat reuse, enhancing productivity and compliance with stringent food safety standards. -
Heat Exchange Solutions for Environmental Protection IndustryEnvironmental Protection industry focuses on reducing pollution, conserving resources, and promoting sustainable development. Its importance lies in addressing climate change, protecting ecosystems, and ensuring public health. The primary goal is to achieve "zero emissions" by minimizing waste and transitioning to renewable energy. This is achieved through advanced technologies, waste recycling, and energy-efficient systems. Plate heat exchangers (PHEs) play a crucial role by enhancing energy efficiency in industrial processes, reducing energy consumption, and enabling heat recovery. Their compact design and high heat transfer efficiency support sustainable practices, making them essential in achieving emission reduction targets and fostering a greener future.
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