Frame Components
Frame Components are essential for maintaining the structural integrity and mechanical stability of Plate Heat Exchangers (PHEs). They provide support, alignment, and secure positioning for the heat transfer plates, ensuring proper sealing and pressure distribution. The frame structure allows for easy assembly, disassembly, and maintenance, making it a critical element in the efficiency and durability of the heat exchanger.
At Rahavard Saei, we design and manufacture high-quality frame components using carbon steel, stainless steel, titanium alloys, and nickel alloys, ensuring mechanical strength, corrosion resistance, and extended service life. Our frames comply with API 662 and ASME Sec VIII standards, guaranteeing reliability in high-pressure and high-temperature environments.

Key Features & Benefits
- Structural Integrity – Ensures secure positioning and alignment of heat exchanger plates
- Durable & High-Strength Design – Withstands pressures up to 25 bar and temperatures up to 200°C
- Corrosion-Resistant Materials – Manufactured using carbon steel, stainless steel, titanium, and nickel alloys
- Custom Fabrication – Engineered based on specific operational requirements and industry standards
- Easy Maintenance & Accessibility – Designed for quick plate removal and reassembly, reducing downtime
Mechanisms and Diverse Applications
Industries
Oil & Gas
Providing robust and corrosion-resistant frame components for refinery applications
Chemical Processing
Designed to withstand aggressive chemicals and extreme temperatures
Food & Beverage
Ensuring hygienic and secure assembly for pasteurization and sterilization processes
Power Generation
Supporting high-efficiency heat transfer in power generation systems
Marine & Offshore
Corrosion-resistant solutions for seawater-cooled heat exchanger frames
How It Works
The frame of a plate heat exchanger consists of multiple mechanically engineered components designed to secure and align the heat transfer plates, ensuring leak-proof operation and uniform pressure distribution.
Key Components & Functions
- Fixed Frame Plate – Provides a rigid structure, ensuring proper compression of the plates.
- Movable Frame Plate – Allows for easy disassembly, enabling quick maintenance and plate replacement.
- Tightening Bolts – Ensure uniform compression, preventing leaks and optimizing sealing efficiency.
- Top & Bottom Guide Rails – Maintain proper plate alignment during assembly and operation.
- Front Support Stand – Provides additional stability and load-bearing capacity.
During operation, the heat exchanger plates expand and contract due to temperature variations. The frame components compensate for these thermal stresses, ensuring that the plates remain securely compressed, preventing gasket displacement and leaks. Properly designed frames also facilitate easy access for maintenance and reconfiguration, extending the service life of the heat exchanger unit.
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