Executive office chair, model ML584.

The ML584 armchair is an elegant and refined swivel office chair.

Backrest and seat are padded and upholstered. There is a wide range of upholstery available, in fabric, imitation leather or leather. The internal frame of the body is in beech plywood.

The five-star base is available in black nylon (diameter 68 cm) or in chromed steel (diameter 70 cm). It is equipped with rubber wheels .

The armrests are made of steel, in the same color as the base:

  • base and armrests in chromed steel;
  • base in black nylon and armrests in black painted steel.

Furthermore, the armrests are partially upholstered in the same upholstery chosen for the seat and backrest.

The backrest can be equipped with one of the following mechanisms:

  • O1 - monobloc oscillating mechanism : allows free oscillation and locking in the upright position only; it is equipped with a tensioner, which allows you to adjust the resistance to the oscillation based on the user's weight.

  • OM - multiblock rocking mechanism : allows free rocking and has 4 locking positions for reclining the backrest; it is equipped with a tensioner and has an anti-shock system, which prevents the backrest from suddenly returning to the vertical position.

The seat height is adjustable with a gas lift .

Upon request to the Customer Service are available:

  • certified model 1335 - C;
  • model with 1IM approval (fire reaction class, for padding and covering);
  • coatings of other colors and/or other types.

Standard dimensions
  • Depth 70 cm
  • Width 60 cm
  • Seat height 42-51.5 cm
  • Height 98-111.5 cm
  • 20.3 Kg
Technical data and additional details
  • Requires assembly
  • Made in Italy

Certifications legend

  • UNI EN 1335:2020: European standard that defines the size and safety requirements for seats that can be used for office workstations. European standard tests based on use for eight hours per day by people weighing up to 110 kg.
  • UNI EN 16139: European standard which defines the resistance, durability and safety requirements for office and waiting room seating. Maximum capacity 110 kg.
  • UNI EN 1729: European standard that defines the size and safety requirements of seats that can be used in educational institutions.
  • GS (Geprüfte Sicherheit): safety certification in accordance with German law.
Shipment and delivery time
  • express delivery

    This product is immediately available in the specified quantities and variants and it will leave our warehouse within 24 hours after order confirmation.


  •   30 days for production


  • forwarding (from 2 to 7 working days)

If payment is done during the following days, time of delivery starts from the payment date.

Delivery date is an estimate and can not be considered binding for Sediarreda srl.


Executive armchair in fabric, imitation leather or leather, with armrests, medium backrest
289,00 € -25%

216,80 €

Combination terminated
  • Express Delivery
    Delivery scheduled from 23-04-2024 to 29-04-2024

  • Available
    Delivery scheduled from 21-05-2024 to 27-05-2024

Business solutions

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