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Plates in plate heat exchangers isolate media conduct heat exchange

I. Product Positioning and Core Functions

The TL15B-H Plates and Gaskets are the "core functional components" of plate heat exchangers. They work together to ensure the stable operation of the heat exchanger, with core functions reflected in two key dimensions:

Medium Isolation and Sealing: The sealing gaskets fill the gaps between plates and block specific corner holes, completely preventing cross-flow of hot and cold media. At the same time, they prevent fluid leakage to the outside, avoiding process contamination or medium waste;
Support for Efficient Heat Exchange: As heat transfer carriers, the metal plates, combined with a special structural design, enhance heat transfer efficiency, providing key support for the heat exchanger to achieve the core goal of "cooling hot media and heating cold media".

II. Core Component: Detailed Specifications of Plates

1. Composition and Functions of Plates

Each TL15B-H plate consists of a "metal sheet + sealing gasket", and their functions complement each other. The specific parameters are as follows:

Component Name	Structural Design	Core Functions and Advantages
Metal Sheet	Made of thin metal sheets through mold stamping, with corrugations, sealing grooves and corner holes pressed on the surface	1. Heat Transfer Enhancement: The corrugated structure expands the heat transfer contact area, breaks the medium flow boundary layer, and improves heat transfer efficiency; 2. Structural Reinforcement: The corrugated design increases the rigidity of the thin sheet, directly improving the overall pressure-bearing capacity of the plate heat exchanger; 3. Self-cleaning and Anti-clogging: Corrugations guide the medium to flow in a turbulent state, reducing the accumulation of sediments and dirt on the plate surface and lowering the cleaning frequency; 4. Flow Channel Distribution: Corner holes cooperate with sealing grooves to divide independent flow channels for hot and cold media, ensuring fluid flows according to the designed path
Sealing Gasket	Customized to match the plate size, installed in the gasket groove around the plate	1. Sealing and Leak Prevention: Fills the gaps between plates to prevent fluid leakage to the outside (refer to "Causes and Solutions for External Leakage of Plate Heat Exchangers" for more leakage prevention solutions); 2. Flow Channel Partitioning: Seals some corner holes according to design requirements, forcing hot and cold media to flow in dedicated channels and eliminating the risk of cross-flow

2. Material Selection for Plates

According to the application scenarios of the plate heat exchanger (medium corrosiveness, temperature and pressure conditions), the metal sheets of TL15B-H plates can be selected from a variety of corrosion-resistant materials to meet different industrial needs:

Stainless Steel Series: 304/304L (for general neutral media, cost-effective), 316/316L (resistant to weak corrosion, suitable for chemical industry and food processing), 254SMO (high corrosion resistance, resistant to high-concentration salt solutions and acidic wastewater);
Special Alloy Series: Titanium (resistant to strong corrosion + excellent thermal conductivity, suitable for seawater desalination), Nickel (high temperature resistance + alkali resistance, suitable for chemical strong alkali conditions), Titanium-Palladium Alloy (resistant to high-concentration strong acids, such as sulfuric acid and hydrochloric acid), Hastelloy (resistant to various strongly corrosive media, suitable for extreme industrial scenarios).

3. Plate Manufacturing Process

The TL15B-H plates adopt a one-time mold stamping forming process, and the process advantages directly determine the product performance:

Ensures the dimensional accuracy and structural consistency of all plates. Uniform metal point contact is formed between plates, improving sealing stability;
The uniform point contact structure not only allows the plate heat exchanger to operate stably under relatively high pressure, but also effectively withstands system pressure shocks, reducing the risk of equipment damage.

III. Core Component: Technical Parameters of Sealing Gaskets

1. Composition of Gaskets

The TL15B-H sealing gaskets are complex polymer composite systems. Each component works together to determine the final performance of the gasket. The specific components and their functions are as follows:

Component Type	Core Function	Impact on Gasket Performance
Rubber Polymer	Base material of the gasket	Determines the basic elasticity, temperature resistance and corrosion resistance of the gasket (e.g., natural rubber, isoprene rubber, etc.)
Vulcanizing Agent	Cross-links rubber molecules	Improves the strength, hardness and aging resistance of the gasket, preventing deformation after long-term use
Filler	Optimizes physical properties	Reduces costs while enhancing the wear resistance and pressure resistance of the gasket
Anti-aging Agent	Delays aging rate	Extends the service life of the gasket and reduces performance degradation caused by oxidation and light
Processing Aid	Improves manufacturing process	Does not directly improve usability, but optimizes the processing fluency of mixing, extrusion and molding processes
Diluent	Adjusts the viscosity of rubber compound	Facilitates gasket forming and ensures precise size matching with the plate gasket groove

2. Performance Comparison of Mainstream Rubber Materials

According to different application scenarios, the TL15B-H gaskets can be made of a variety of rubber materials. The performance differences and suitable scenarios of each material are as follows:

Rubber Type	Chemical Composition	Core Performance Advantages	Suitable Scenarios
Natural Rubber	Extracted from Hevea brasiliensis latex, mainly composed of cis-polyisoprene	Excellent elasticity, high mechanical strength, good wear resistance, and good compatibility with other rubbers	Normal temperature, low pressure, neutral medium scenarios (e.g., civil HVAC systems)
Isoprene Rubber (Synthetic Natural Rubber)	Polymerized from isoprene, with a structure similar to natural rubber	Performance close to natural rubber, stable raw material supply, and can replace natural rubber	General working conditions requiring stable supply and performance matching natural rubber
Styrene-Butadiene Rubber (SBR)	Copolymerized from butadiene and styrene (two types: emulsion polymerization and solution polymerization)	Good aging resistance, better wear resistance than natural rubber, and low cost	General industrial sealing scenarios, suitable for non-strongly corrosive media
Polybutadiene Rubber (BR)	Polymerized from butadiene	Excellent cold resistance, wear resistance and elasticity, low heat generation under dynamic load, strong aging resistance, and easy blending with natural rubber and neoprene	Low-temperature environments and high dynamic load working conditions (e.g., low-temperature fluid heat exchange, frequently started/stopped heat exchangers)

IV. Product Application Scenarios

As universal accessories for plate heat exchangers, the TL15B-H Plates and Gaskets can be adapted to heat exchange needs in various fields based on material selection. Typical application scenarios include:

Chemical Industry: Temperature regulation of acid-base solutions and chemical raw materials (316L, titanium alloy, Hastelloy plates + corrosion-resistant gaskets are recommended);
Food and Beverage Industry: Sterilization and cooling of fruit juices, preheating of dairy products (304 stainless steel plates + food-grade rubber gaskets are selected to meet hygiene standards);
Water Treatment Industry: Seawater desalination and industrial wastewater treatment (titanium or 254SMO plates are suitable to resist corrosion from seawater/sewage);
HVAC Industry: Building heating and cold-hot exchange in central air conditioning (general 304 stainless steel plates + ordinary temperature-resistant gaskets are used, with high cost-effectiveness);
Low-Temperature Industrial Scenarios: Heat exchange of low-temperature fluids (e.g., chilled water) (polybutadiene rubber gaskets are recommended to ensure elasticity and sealing at low temperatures).

Plates in plate heat exchangers isolate media conduct heat exchange

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Categories	Heat Exchanger
Brand Name:	Botai
Model Number:	TL15B-H
Place of Origin:	China
MOQ:	1
Price:	Negotiable
Payment Terms:	L/C,D/A,D/P,T/T,Western Union
Supply Ability:	100
Delivery Time:	10 Working Days
Packaging Details:	Wooden box
Origio:	Tian Jin, China
Productioncapacity:	100000pieces/Year
Design Pressure:	2.2m/PA
Material Type:	SS304/SS316L