Free-fall integrated system with Metal Detector and ejection valve THS/FFV21 series

  • State-of-the Art Quality Control of powder and granular products
  • Detection and ejection of magnetic, non-magnetic and stainless steel metal contaminants
  • Fast detection and rejection speed
  • Fail-Safe Operations
  • Structure and components in AISI 316L Stainless Steel and food-compatible plastics (EU, FDA compliant)
  • Very compact size
  • ATEX version available

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CEIA THS/FFV21 Integrated System is especially designed for the inspection of granular and powder products and the elimination of any contaminating metals, whether magnetic, non-magnetic or stainless-steel.

Integrated system for gravity feed

The carefully selected materials used in construction of the THS/FFV21 Integrated System do not interact with food products, and thus do not modify or alter their composition.
The design of the system incorporates a fast reject valve drive response time to detect and reject the contaminant without slowing down the product flow.
The construction guarantees quick, easy cleaning of the components that are in contact with the product. The technological choices made by CEIA allow the parts in contact with the product to be disassembled and maintained in a short time. The system operates in fail-safe mode, thus avoiding the risk of contaminants passing through even when the system is deactivated or when the electrical power supply is interrupted.

Multi-spectrum technology

Exclusively developed by CEIA, this is a unique metal detection technology that both optimizes sensitivity to all metal contaminants and minimizes product effect in a very wide range of possible products.
By recognizing the different frequency response of conductive products and metals, this innovative technology cancels product effect and maintains high performance levels for all types of metal contaminants, both magnetic and non-magnetic.
The autolearn function used by CEIA Multi-Spectrum metal detectors equates to the repetition of hundreds of conventional transits. It explores the whole spectrum of available frequencies in order to determine the best operating conditions resulting in unique detection performance.

THS/FFV21 ATEX compliance

  • Compliant with ATEX Directive 2014/34/UE “on equipment and protective systems intended for use in potentially explosive atmospheres”
  • IP66/69K protection rating (control power box and detector)
  • Classified as Group II, Category 1/2D equipment

Special features

  • Detection sensitivity
    • THS/FFV21E: High
    • THS/FFV21 ; THS/FFV21-ATEX: Ultra High
  • Immunity to environmental interference: High
  • Data display type
    • THS/FFV21E: Alphanumeric OLED 4×20 characters
    • THS/FFV21 ; THS/FFV21-ATEX: High-contrast graphical OLED 128×64 pixels
  • Local programming
    • THS/FFV21E: 4 keys, 3 with double function
    • THS/FFV21 ; THS/FFV21-ATEX: 16 keys, 3 with double function
  • Construction compliant with 21 CFR Parts 210 and 211
  • Inspected/contaminated product counter
  • Autolearn and automatic tracking of the product effect
  • ISO 9001 certified manufacturer

Data management

  • Management of electronic production data and electronic signatures as per CFR 21, Part 11
    • Data security
    • Data integrity
    • Data traceability

I/O interfaces

  • RS232, Auxiliary RS232, BT wireless communication, Ethernet interface (on request), WI-FI and USB (on request)


  • Acoustic: Via internal buzzer
  • Optical
    • Graphic display with bar-graph indication
    • Light indicators on control unit: RED: Alarm or Fault / GREEN: Power on


  • LOCAL: built-in keyboard and high-contrast display
  • REMOTE: through computer connected via BT wireless communication, RS232, Ethernet or WiFi and managed with CEIA MD Scope software, THS Production Plus software or any other terminal emulation program or through Web Server (with optional IXC card)

Safety and security

  • Protection degree
    • THS/FFV21E IP65
    • THS/FFV21
      • IP66 – IP69K (control power box)
      • IP65 (all other components)
    • THS/FFV21-ATEX
      • IP66 – IP69K (control power box and detector)
      • IP65 (all other components)
  • Electrical insulation
    • Galvanic isolation of the mains voltage
    • Compliant with international standards for safety and radio interference
  • Pollution degree (IEC61010-1): Class 2
  • Installation category (IEC61010-1): Category II


  • Control Power Box
    • Main voltage: 100-240 VAC
    • Frequency and phase: 50/60 Hz – single phase
    • Full load current (FLA): 2.2 A
  • Compressed air
    • Pressure
      • 0,6 ÷ 1 Mpa
      • 0,6 ÷ 0,8 Mpa (THS/FFV21-ATEX)
    • Flow
      • 100 l/min
      • 600 l/min (THS/FFV21-ATEX)

Environmental conditions

  • Temperature
    • Operating
      • -10 to +55 °C (14°F to 131°F)
      • 0 to +40 °C (32°F to 104°F) (THS/FFV21-ATEX)
    • Storage
      • -40 to +70 °C (-40°F to 158°F)
      • -25 to +70 °C (-13°F to 58°F) (THS/FFV21-ATEX)
  • Relative humidity
    • Operating / Storage
      • 5 – 90 %, non-condensing

Product conditions

  • Maximum temperature
    • Product in transit
      • 70°C (158°F)
      • 40 °C (104°F) (THS/FFV21-ATEX)
  • Maximum allowed pressure
    • Internal pressure
      • The ejection valve is suitable for plants with differences in pressure of 0.1 bar maximum respect to the external pressure or the other internal sections

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