Marel Wholefish Grader – 4 station

• Grading whole fish by weight for further processing or packaging.
• Sorting various fish species in primary processing facilities.
• Ensuring consistent product sizing for retail or wholesale distribution.
• Optimising batching processes for different fish grades.

Typical capacity

For this class of equipment, throughput can typically range from 50 to 150 pieces per minute, depending on fish size and desired accuracy.

Power supply

Units of this type commonly require a 3-phase electrical supply, typically 400V, 50Hz.

Belt width

The belt width on Marel wholefish graders typically ranges from 250mm to 400mm, accommodating various fish sizes.

Number of stations

While this unit is listed as 4-station, Marel graders are commonly found with 4 to 16 grading stations, allowing for multiple weight categories.

Construction material

Equipment for food processing, especially for fish, is invariably constructed from food-grade stainless steel for hygiene and durability.

Control system

Modern Marel graders typically feature integrated control systems, often with touch-screen interfaces for programming and monitoring.

Footprint

The overall length of a 4-station grader can typically be between 3 to 5 metres, with a width of approximately 1 to 1.5 metres.

• What types of fish can this grader handle?

  Wholefish graders are designed to handle a wide range of whole fish species, typically from small to medium sizes, depending on the specific belt and weigh cell configuration.

• Is this unit suitable for saltwater or freshwater fish processing?

• What maintenance is typically required for a Marel grader?

• Can the grading parameters be adjusted?

• What is the benefit of an updated screen on an older unit?

Sorting and grading equipment is valued for improving product consistency and processing efficiency. Buyers typically seek machines in good mechanical condition with minimal wear on critical components like belts, motors and calibration systems. Common strengths include reliable performance when properly maintained, cost savings versus new equipment, and compatibility with existing production lines. Industry sentiment favours models from established manufacturers known for durability. Buyers should inspect electrical systems thoroughly and verify spare parts availability before purchasing used units.

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