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Schmidt-Bretten SIGMA F

Schmidt-Bretten SIGMA F is a free-flow plate family for plate heat exchangers from Schmidt-Bretten supplied by AxFlow for professional heat-transfer applications. It supports heat-transfer duties with suspended solids, fibres or media where blocking of narrow channels must be reduced. The series helps engineers match thermal duty, media behaviour and maintenance needs in compact process equipment. Request a quote for Schmidt-Bretten SIGMA F from AxFlow.

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Key Specifications

  • Flows up to 200 m³/h
  • Pressure up to 25 bar

Product features

  • Open plate geometry → Helps manage solids, fibres or low pressure-drop requirements
  • Corrugated plate geometry → Promotes turbulence and stable thermal performance in compact equipment
  • Modular plate pack → Allows adaptation when process duties or capacity requirements change
  • Wide material selection → Supports selection for food, HVAC, chemical and industrial media
  • Compact heat-transfer surface → Helps reduce footprint compared with many shell-and-tube installations
  • SIGMAFIX or bonded gasket options → Supports service access and correct gasket positioning
  • Low hold-up volume → Helps the process respond quickly to heating or cooling changes
  • AxFlow selection support → Helps match the exchanger type to duty point, media and maintenance needs
  • Serviceable construction → Supports inspection, cleaning and lifecycle cost control
  • Process-specific configuration → Enables selection around temperature, pressure, fouling risk and materials

Product description

Schmidt-Bretten SIGMA F is relevant for plants where heat transfer has a direct effect on product quality, energy use and process continuity. It is selected for heat-transfer duties with suspended solids, fibres or media where blocking of narrow channels must be reduced. For engineers and maintenance teams, the main value is a configurable exchanger concept that can be matched to heat duty, media properties, pressure drop and cleaning strategy without oversizing the installation.

SIGMA F uses a free-flow corrugation pattern that provides more open flow passages than standard high-efficiency patterns. This makes it relevant where fouling, fibres or particulate content are key selection concerns. Schmidt-Bretten plate technology uses corrugated plate geometry to generate turbulence and support effective distribution across the heat-transfer surface. Depending on the variant, the exchanger can be configured with suitable plate material, gasket concept, connection type and frame arrangement so the thermal solution fits the actual process rather than a generic duty point.

Key technical parameters include free-flow plate corrugation with stamped spacers, robust operation and a geometry intended to reduce blocking in the flow channels. Across the SIGMA family, available materials include stainless steels and special alloys, while gasket options include standard elastomers and PTFE-coated or application-specific variants where appropriate. These datapoints should be checked against the final media, temperature profile, pressure level and service requirements before selection.

From a lifecycle perspective, the value of Schmidt-Bretten SIGMA F is not only thermal efficiency but also access, maintainability and adaptability. Correctly selected plate geometry can reduce fouling risk, pressure loss or contamination risk, depending on the process. AxFlow can support product selection, spare-parts planning, service questions and availability so the exchanger remains aligned with process continuity and total cost of ownership.


Performance

Max Capacity
200 m³/h
Max Differential Pressure
25 bar
Max Temperature
200 Celsius
Min Capacity
0.1 m³/h
Min Temperature
-40 Celsius

Schmidt-Bretten SIGMA F is used for heat-transfer duties with suspended solids, fibres or media where blocking of narrow channels must be reduced. It is relevant when efficient heat transfer, compact installation and stable operation are important. AxFlow can help assess the duty point, media and service requirements before selection.
The series is built around free-flow plate corrugation with stamped spacers, robust operation and a geometry intended to reduce blocking in the flow channels. This supports reliable heat transfer while helping engineers manage footprint, pressure drop or leakage risk depending on the configuration. Final selection should be based on media, temperature, pressure and cleaning requirements.
Check heat duty, inlet and outlet temperatures, flow rate, pressure, pressure drop, materials and gasket compatibility. Fouling tendency and cleaning method should also be reviewed. AxFlow can support product selection and availability checks.
Many Schmidt-Bretten plate heat exchanger configurations are built for inspection, cleaning and service access. Gasketed and modular variants can support adaptation when process conditions change. Contact AxFlow to confirm the right service and spare-parts approach for the installed unit.
Schmidt-Bretten SIGMA F is available through AxFlow for professional heat-transfer applications. AxFlow supports selection, availability guidance and service-related questions. Request a quote from AxFlow for the correct configuration.
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