Plate-and-frame Heat Exchangers

The Plate-and-frame Heat Exchangers manufacture!

 

Nantong Hi-eff Heat Exchange Equipment Co., Ltd. is a leading supplier of heat exchangers and their plates and gasket spare parts. Our main products are plate and frame heat exchangers, welded plate heat exchangers, plate heat exchanger accessories, etc.

 

 
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Why choose us

Rich experience

Our team consists of more than 30 technical personnel with more than 20 years of industry experience and has helped our products obtain more than 55 patent certificates.

Accept ODM

Our team is good at customized design and production, and supports OEM and ODM orders, including providing various heat exchange tubes, fins, structural parts, and pipes to meet the requirements of different use environments.

Well equipped

The company is equipped with multiple advanced mold processing CNC machine tools, special hydraulic presses, punching machines, integrated blanking machines and other equipment, and can provide customers with high-quality heat exchanger and gasket spare parts, especially GEA, Tranter, APV, AGC and other models.

Quality assurance

We have our own quality inspection center to ensure that the production process complies with ISO standards, and conduct quality inspection of heat exchangers through hydraulic pressure testing equipment, strength testing equipment, etc. to ensure that all products comply with CE and RoHS certifications.

 

Material

SS

Usage/Application

Cooler

Max Output Flow Rate

50-100 m3/hr

Medium Used

Water

Primary Exchanger Material

Steel

Plate Heat Exchanger Type

Gasketed Plate and Frame

Design Pressure

4.5 MPa

Working Temperature

350 Degree C

Connection Size

50A

Max Heat Transfer Area

700 m2/unit

Max Working Pressure

3.5 [MPaG]

 

Advantages of Plate-and-frame Heat Exchangers

 

Heat transfer precision

Improved temperature approach, true counter-current flow, 80-90% less hold-up volume.

01

Low cost

Low capital investment, installation costs, limited maintenance and operating costs.

02

Greatest reliability

Less fouling, stress, wear, and corrosion.

03

Responsible

Least energy consumption for most process effect, reduced cleaning.

04

Easy to expand capacity

Adjustable plates on existing frames.

05

 

Type of Plate and Frame Heat Exchangers

 

 

Gasketed plate heat exchangers

Use elastomeric gaskets to seal the plates together.

 

Welded plate heat exchangers:

The plates are welded together to form a sealed unit.

 

Brazed plate heat exchangers

The plates are bonded together with a brazing alloy to form a sealed unit.

 

 

Applications of Plate and Frame Heat Exchangers
 

Chemical Processing
In chemical processing, PFHEs are used for heating, cooling, and condensing chemical mixtures. They can handle corrosive fluids and high temperatures, making them suitable for various chemical reactions and processes.

 

Food and Beverage Industry
PFHEs are extensively used in the food and beverage industry for pasteurization, sterilization, and cooling of products. Their hygienic design, ease of cleaning, and precise temperature control make them ideal for handling food products.

 

HVAC Systems
In HVAC systems, PFHEs transfer heat between air and water or refrigerant, providing efficient heating and cooling solutions. They are used in heat recovery systems, air conditioning units, and district heating and cooling systems.

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Pharmaceuticals
The pharmaceutical industry uses PFHEs for maintaining precise temperatures during processes like fermentation, crystallization, and purification. The ability to maintain sterile conditions and the easy cleaning of plates make PFHEs suitable for pharmaceutical applications.

 

Power Generation
In power plants, PFHEs are used for heat recovery, cooling, and condensing. They help improve the efficiency of power generation processes by transferring heat from one medium to another, often using waste heat for energy recovery.

 

Marine Applications
PFHEs are used in marine applications for cooling engines, lubricating oil, and other fluids. Their compact size and high efficiency make them suitable for use in confined spaces on ships and offshore platforms.

 

Plate Heat Exchanger Sizing

 

 

Plate heat exchangers can vary significantly in size. Available sizes range from:
9.7 x 32 x 51 mm (or 0.97 x 3.2 x 5.1 cm) at the lower end
524.4 x 112 x 24.1 mm (or 52.44 x 11.2 x 2.41 cm) at the higher capacity end

 

Meanwhile, transfer plate sizes run from:
100 mm x 300 mm (10 cm x 30 cm) on the smaller side
1000 mm x 2500 mm (100 x 250 cm) on the larger side

 

Our factory

 

Our company has advanced machines and skilled workers, which can meet the needs of various enterprises

 

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Certification

 

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FAQ

 

Q: How do I select the right plate and frame heat exchanger for my application?

A: Selection depends on factors such as the type of fluids, temperature and pressure requirements, flow rates, and the desired heat transfer efficiency. Consulting with a heat exchanger specialist or using selection software can help determine the best option for specific needs.

Q: What materials are used in plate and frame heat exchangers?

A: Common materials include stainless steel, titanium, nickel alloys, and other high-performance materials. The choice of material depends on the chemical compatibility with the fluids, temperature, pressure conditions, and corrosion resistance requirements.

Q: How often should plate and frame heat exchangers be cleaned?

A: The frequency of cleaning depends on the application and the nature of the fluids. Regular inspections and cleaning are necessary to prevent fouling and maintain heat transfer efficiency. Gasketed PFHEs can be easily disassembled for thorough cleaning.

Q: What is the difference between gasketed and brazed plate and frame heat exchangers?

A: Gasketed plate and frame heat exchangers use removable gaskets to seal the plates and direct fluid flow, allowing for easy disassembly and cleaning. Brazed plate and frame heat exchangers have plates permanently joined by brazing, providing a compact, leak-proof design suitable for high-pressure and high-temperature applications.

Q: Can plate and frame heat exchangers handle high-pressure applications?

A: Yes, certain types of plate and frame heat exchangers, such as brazed and welded PFHEs, are designed to handle high-pressure applications. They are suitable for demanding environments, including chemical processing and power generation.

Q: How do I maintain a plate and frame heat exchanger?

A: Regular maintenance includes inspections for leaks, gasket integrity checks, cleaning, and replacing damaged plates or gaskets. Preventive maintenance helps ensure efficient operation and extends the life of the heat exchanger.

Q: What are the common issues faced with plate and frame heat exchangers?

A: Common issues include fouling, gasket degradation, leaks, and pressure drops. Addressing these issues promptly through regular maintenance and proper operation can prevent significant performance losses.

Q: Are plate and frame heat exchangers suitable for hygienic applications?

A: Yes, plate and frame heat exchangers are widely used in the food and beverage and pharmaceutical industries due to their hygienic design. They allow for easy cleaning and sterilization, ensuring compliance with stringent hygiene standards.

Q: What is the useful life of plate and frame heat exchanger?

A: High-quality plate-and-frame heat exchangers can operate efficiently for ten years without maintenance.

Q: What is the maximum temperature for plate heat exchanger?

A: It is a welded plate exchanger (so there are no gaskets between the plates) that can operate up to a pressure of 30 bars and at temperatures as high as 500°C.

Q: What is the maximum pressure of plate and frame heat exchanger?

A: Although the plate and frame heat exchanger can be used in a broad range of applications, the following selection criteria may be used as a guideline: Maximum design or working pressure is limited to 450 psi. Temperature limits and fluids must be compatible with gasket materials, typically limited to 300°F.

Q: What is the Reynolds number of a plate heat exchanger?

A: To have turbulence in the channels of a plate heat exchanger, the Reynolds number must be more than 2200. The Reynolds number is a function of velocity occuring in the channels. A fewer number of channels means higher level of turbulence yet also higher pressure losses.

Q: What is the maximum viscosity for a plate heat exchanger?

A: Plate heat exchangers can function with oils having viscosities as high as 2,500 centiPoise.

As one of the leading plate-and-frame heat exchangers manufacturers and suppliers in China, we warmly welcome you to buy high-grade plate-and-frame heat exchangers for sale here from our factory. All equipment are with high quality and competitive price. For quotation, contact us now.

Standard Plates For Apv, Plate and frame Heat Exchangers