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Gasketed Plate Heat Exchangers
Heatxforce provides expert support for the specification, installation, commissioning, repair and maintenance of gasketed plate heat exchangers across commercial, marine and large-scale industrial heating and cooling systems.
Designed for applications that demand high flow rates, easy maintenance and future scalability, gasketed plate heat exchangers are widely used in district energy networks, HVAC systems, marine cooling circuits and industrial process applications.
From new installations and replacement projects to plate pack refurbishment, gasket replacement and emergency repairs, our engineers provide specialist support throughout the entire lifecycle of your heat exchanger.
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Gasketed Plate Heat Exchangers Explained
What is a Gasketed Plate Heat Exchanger?
A gasketed plate heat exchanger (GPHE) is a highly efficient heat transfer device consisting of a pack of thin, corrugated metal plates compressed together within a heavy-duty bolted frame.
Unlike brazed heat exchangers, the plates are separated and sealed by elastomeric gaskets fitted into precision-moulded grooves. These gaskets create isolated flow channels, allowing heat to transfer efficiently between two fluids while preventing them from mixing.
Because the frame can be opened and reassembled, gasketed plate heat exchangers offer complete serviceability, straightforward cleaning and the ability to adjust thermal capacity as system requirements change.
What is a Gasketed Plate Heat Exchanger Used For?
Gasketed plate heat exchangers are ideal for large-scale heating and cooling applications where high flow rates, regular maintenance access and future expansion are important.
Typical Uses
- Handling high-volume flow rates in industrial processes
- Separating primary and secondary heating or cooling circuits
- Reducing system pressures within large HVAC networks
- Cooling corrosive or aggressive fluids, including seawater
- Supporting applications requiring regular cleaning and inspection
- Expanding thermal capacity without replacing the entire unit
Why Choose Our Gasketed Technology?
Our gasketed plate heat exchangers combine exceptional thermal performance with long-term serviceability and operational flexibility.
Fully Serviceable Design
The bolted frame allows the plate pack to be opened completely, making inspection, cleaning, maintenance and component replacement simple and cost-effective.
Scalable Thermal Capacity
As heating or cooling demands increase, additional plates can be installed within the existing frame to increase performance without replacing the complete heat exchanger.
Advanced Leak Protection
Specially engineered gasket systems incorporate drainage and safety channels that direct any potential leakage externally, helping prevent fluid cross-contamination.
Reduced Lifecycle Costs
Individual plates and gaskets can be cleaned, repaired or replaced independently, significantly reducing maintenance costs compared to replacing an entire unit.
Inside the Gasketed Plate Heat Exchanger
How It Works
A gasketed plate heat exchanger contains a series of corrugated metal plates compressed together inside a rigid frame assembly.
Elastomeric gaskets are fitted around the edges and ports of each plate, directing the fluids through alternating channels within the plate pack.
Counter-Current Flow Design
The hot fluid and cold fluid flow through adjacent channels in opposite directions, creating a true counter-current arrangement. This maximises thermal efficiency by maintaining the greatest possible temperature difference across the entire heat transfer surface.
Easy Access for Maintenance
Unlike welded or brazed units, the plate pack can be fully dismantled. This allows engineers to inspect individual plates, replace worn gaskets, remove fouling and restore performance with minimal downtime.
Construction and Materials
Material selection is tailored to the operating conditions, temperatures and fluid characteristics of each application.
Plate Materials
- AISI 304 Stainless Steel
- AISI 316 Stainless Steel
- Titanium (for seawater and chloride-rich environments)
- Hastelloy and other specialist alloys for aggressive chemical applications
Gasket Materials
- NBR (Nitrile Rubber) – General heating and cooling duties
- EPDM – High-temperature and steam applications
- FKM (Viton®) – Aggressive chemicals and specialist process fluids
Frame Construction
Heavy-duty carbon steel frame assemblies feature protective industrial coatings, guide bars and high-tensile tightening bolts to ensure long-term structural integrity.
Technical Specifications
Operating Performance
| Operating Pressure | Up to 10–25 bar |
| Operating Temperature | -20°C to +180°C* |
| Flow Capacity | Suitable for very high-volume systems |
| Serviceability | Fully dismantlable and expandable |
*Temperature limits depend on gasket material selection.
Fluid Compatibility
Suitable for:
- Seawater
- Chemical solutions
- Industrial wastewater
- HVAC heating and cooling circuits
- Hydraulic oil systems
- Food and beverage process fluids
Key Benefits
Flexible Capacity Expansion
As facilities grow or process demands change, additional plates can be installed to increase thermal performance while retaining the existing frame structure.
Simplified Cleaning
The fully removable plate pack allows for both manual cleaning and clean-in-place (CIP) procedures, making gasketed units ideal for applications where hygiene or fouling control is critical.
Enhanced Operational Safety
Integrated leak detection channels help identify gasket failures early and safely direct leakage away from the process stream.
Trusted Across Critical Heating and Cooling Infrastructure
Heavy Industry & Power Generation
- Power plant cooling systems
- Steel and metals processing
- Hydraulic oil cooling
- Data centre cooling infrastructure
Marine & Offshore
- Central seawater cooling systems
- Engine jacket water cooling
- Offshore process cooling
- Marine HVAC systems
Food, Beverage & Dairy
- Pasteurisation processes
- Product heating and cooling
- Hygienic processing applications
- CIP-enabled production systems
District Energy & Large HVAC Networks
- District heating systems
- District cooling systems
- High-rise pressure break stations
- Geothermal heating and cooling networks
Gasketed Plate Heat Exchanger Services
Specification & Design
Correct sizing calculations are vital to ensure long-term reliability. Heatxforce evaluates system water volumes, target approach temperatures, allowable pressure drops, and fluid velocities to specify the exact plate count and corrugation angle required.
Our engineering team undertakes detailed thermal and hydraulic calculations to ensure every heat exchanger is correctly specified for its operating environment. We assess flow rates, temperatures, fluid characteristics, pressure drop limitations and future capacity requirements to determine the optimal plate configuration, material selection and frame size. This ensures maximum efficiency, reliability and ease of maintenance throughout the equipment lifecycle.
Installation & Commissioning
Our field engineers manage plant room integrations, mechanical rigging, pipe alignment, and initial compression verification. Complete commissioning includes progressive pressure testing and operational checks to eliminate any risk of initial gasket seating leaks.
Heatxforce delivers complete installation and commissioning support, from equipment positioning and pipework integration through to final performance verification. Our engineers oversee frame assembly checks, gasket compression settings, pressure testing, flushing and operational validation to ensure the heat exchanger performs as designed from day one. Comprehensive commissioning records and operator guidance are also provided.
Overhaul & Repair
Overhaul, Chemical Cleaning & Plate Repair
Over time, plates can experience scaling or bio-fouling. Heatxforce provides specialized Clean-in-Place (CIP) Flushing, off-site plate pack chemical dipping, non-destructive crack detection (dye penetrant testing), and full gasket replacement services to restore peak operational performance.
Maintenance & Service
Planned Preventative Maintenance
Routine inspections include checking the physical frame torque measurements, monitoring pressure drops across channels, assessing gasket resilience, and testing water quality to protect your thermal infrastructure from premature degradation.
We also offer scheduled replacement and installation of plate heat exchanger plate packs on an annual basis, or at intervals tailored to your specific operational requirements. By proactively replacing worn components and maintaining plate pack performance, these service programmes help ensure optimum heat transfer efficiency, improve system reliability and reduce the risk of unexpected breakdowns and costly downtime.
Codes, Standards & Certifications
Heatxforce build pressure equipment in accordance with PD5500 and ASME VIII Pressure vessel codes whilst conforming to the European Pressure Equipment Directive (PED) and UKCA Pressure Equipment Safety Regulations (PESR), which are mandatory inspection requirements applicable to pressure vessels and systems.
Our welding procedures are in accordance with ISO 15614-1 and ASME IX.
Welder qualifications are in accordance with ISO 9606-1 and ASME IX.
All of our welding related qualifications are certified by TUV Nord.
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