Strayfield's dryers for energy-efficient moisture removal at low temperatures

Advantages of Heat Pump Drying for Fresh Foods

Heat pump drying offers several advantages when it comes to preserving the quality of fresh foods. Firstly, it operates at lower temperatures compared to traditional drying methods, which helps in retaining the nutritional value, flavor, and color of the food products. Heat pump drying also allows for precise control of temperature and humidity levels, ensuring optimal drying conditions and reducing the risk of over-drying or under-drying. Additionally, heat pump drying is an energy-efficient process as it utilizes the heat energy from the surrounding environment or waste heat, resulting in lower energy consumption and reduced operating costs.

Advantages of Radio Frequency Drying for Fresh Foods

RF (Radio Frequency) drying and heating provides unique advantages for the drying and processing of fresh foods. One of the key benefits is the rapid and uniform drying and heating it offers. RF energy can penetrate deep into the food products, promoting quick evaporation of moisture and providing efficient heating throughout the product. This leads to reduced drying and processing times, minimizing the exposure of the food to heat and preserving its quality. RF drying and heating also allow for precise control of temperature distribution, enabling targeted heating for specific applications such as cooking, blanching, or pasteurization. Additionally, RF technology offers enhanced microbial control, effectively reducing the risk of spoilage and extending the shelf life of fresh foods.

Combining Heat Pump Drying and RF Drying/Heating with Strayfield

Strayfield has developed an innovative technology that combines the advantages of both heat pump drying and RF drying/heating. By integrating heat pump, RF drying, and heating systems, Strayfield’s technology optimizes the drying and processing process for fresh foods. The heat pump component ensures gentle and energy-efficient drying, preserving the nutritional value and quality of the products. Meanwhile, the RF drying and heating component enables rapid and uniform drying and efficient heating at low moisture levels, reducing processing time and maintaining the desired texture and structure. This combination allows for precise control over the drying and heating conditions, resulting in superior product quality, extended shelf life, and improved energy efficiency. Strayfield’s technology represents a significant advancement in food drying and processing, offering a holistic solution that maximizes the benefits of heat pump drying and RF drying/heating for fresh foods.

Heat Pump Technology Advantages

  • Achieve unmatched drying efficiency through Strayfield’s RH dryers: With Strayfield’s RH dryers, you can achieve exceptional drying efficiency. These dryers enable the evaporation of 1-1.2 liters of water for every 1 unit of applied power*. This high drying efficiency ensures faster drying times and reduces energy consumption, resulting in cost savings for processors.
  • Maintain product freshness, color, and aroma by ensuring low-temperature dehydration: Strayfield’s technology ensures low-temperature dehydration during the drying process. This gentle approach helps to preserve the freshness, color, and aroma of the products being dried. By drying at lower temperatures, the nutritional value and sensory characteristics of the fresh foods remain intact, resulting in high-quality dried products.
  • Recycle product moisture and drying energy for climate-conscious processors: Strayfield’s system incorporates the capability to recycle energy utilized for drying. This feature is particularly valuable for climate-conscious processors who aim to reduce their environmental impact. Recycling of drying energy improves overall energy efficiency and, this sustainable approach aligns with environmental goals and reduces resource consumption.

Radio Frequency (RF) Technology Advantages

  • Uniform Heating: Unlike conventional methods, RF heating provides more uniform heating throughout the food product. The dielectric properties of food allow it to absorb the RF energy evenly, reducing the risk of hot or cold spots.
  • Rapid Drying and Heating: Due to its ability to penetrate deeper into food products, RF technology can heat or dry food faster than traditional methods. This can result in reduced processing time and increased production efficiency.
  • Energy Efficiency: RF technology can be more energy-efficient than other drying and heating methods, especially at lower moisture levels. Since it directly heats the food product without the need to heat the surrounding air, less energy is wasted, leading to potential cost savings. Additionally, there is less dependency on maintaining low relative humidity to aid the drying process.
  • Quality Retention: RF heating tends to be gentler on food, preserving its quality. This means that nutrients, flavour, colour, and overall texture can be better retained compared to other methods that might degrade these attributes.
  • Flexibility in Processing: RF technology can be adapted to various food products and processing requirements. Whether it’s for pasteurization, blanching, or just drying, the technology can be fine-tuned to achieve the desired outcome.

Dryers For

Fresh Fruits Vegetables

Fresh Fruits & Vegetables

Fish Defrosting




Alternative Proteins

Alternative Proteins



Aromatic Foods

Aromatic Foods

Efficiently dry your products with Monga Strayfield’s Radio Frequency & Heat Pump Dryers.
Enjoy unmatched efficiency, low temperature dehydration for freshness, and a more sustainable production process.

Welcome to Monga Strayfield, the Benchmark for High Precision Heating and Drying Technology.

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Bhosari Industrial Estate,
M.I.D.C. Bhosari, Pune - 411 026

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