(formerly know as TRELLCHEM® Super Freeflow) Combined respiratory protection and high level, gastight chemical protection. Designed for use with external airline, without the use of an SCBA, and therefore specially aimed at industrial use.

  • Encapsulating design without hump
  • Designed for use with an external air source, which allows longer working hours and provides improved wearer comfort
  • Combination of antistatic butyl rubber with a Viton® top coating for outstanding resistance to attack from a wide range of chemicals
  • Exceptional protection against alkalis, strong acids (e.g. hydrofluoric acid), petrochemicals, chlorinated solvents, aromatics and oils
  • Maximises strength and durability while maintaining softness and flexibility, ensuring increased wearer comfort
  • Approved for work in explosive atmospheres


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Encapsulating design without hump. For use with external air supply via airline (no SCBA is to be used).


Outer: Butyl rubber and a top layer of Viton® rubber coated on polyamide fabric
Inner: Butyl rubber

This construction maximizes strength and durability while maintaining softness and flexibility. The combination of antistatic butyl rubber with Viton® on top offers an outstanding resistance to attack from a wide range of chemicals.


Stitched and sealed inside and outside with a glued-on tape, made of the same rubber type as the fabric coating.


Yellow with orange inside


  • EN 943-1:2015 and EN 943-1/prA1:2017
  • EN 14126:2003 (infective agent protection)
  • EN 1149-5:2008 (antistatic suit material)
  • Approved for use in ATEX zones 0, 1, 2/20, 21, 22 and chemical group IIA, IIB, IIC

    Type CV (wide vision with 3D depth of 20 cm), made from a rigid 2 mm impact and chemical resistant PVC.
    Covered by a replaceable, antistatic Tear-off/ATEX lens.

    GLOVES & attachments

    AlphaTec® #38-628 Viton®/Butyl rubber gloves in combination with rubber cuffs for added safety. Other glove options are available. The gloves are attached with a Bayonet glove ring system, which offers quick and simple glove exchange. 
    Read more about Gloves.

    FOOTWEAR & attachments

    Sewn-in socks/booties made of the suit material. Alternatively attached black nitrile rubber safety boots with European approval as Firemen's boots. The boots are fixed with an ergo­nomically designed ring attachment, for simplified boot exchange. Read more about Boots.


    HCR zipper, which includes a barrier film for increased chemical resistance. The zipper is closing downwards, for added safety, and is protected by a flap/splash guard.


    A swiveling airline passthrough made from Acetal (POM) plastic and stainless steel. Placed on the side of the suit. Equipped with a warning whistle which sounds if the pressure drops below 3 bars. Fitted with an adjustable belt and foam padding for enhanced comfort.


    The air is distributed in front of the visor via inside polyurethane (PU) tubing and two diffusers/silencers. Excess air is ventilated through four overpressure valves in the back of the hood.


    0.5 m reinforced rubber breathing hose with a standard EURO connection type CEJN 342 male (nipple).


    Certificate EN 943-1:2015 & EN 943-1/prA1:2017 (type 1c suits)

    eu declaration of conformity

    Link to EU Declarations of Conformity

    product sheet

    PDS AlphaTec® SUPER type FREEFLOW

    User Manual

    Link to Manuals/IFUs


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