Office swivel chair se:flex

Similar mechanism with automatic weight adjustment for dynamic sitting

Basic model ef-122 / ef-102

Backrest with flexible 3D knitted membrane or slim upholstery, height-adjustable lumbar support, multifunctional armrests, similar mechanism with automatic weight adjustment, gas spring with mechanical depth springing, sliding seat, automatic seat forward tilt of up to 5°, black plastic star base, hard castors for soft floors

Mechanism

• Similar mechanism with automatic user weight recognition with smooth force transmission
• Seat and backrest move in full synchrony with the body
• Synchronous ratio between seat / backrest 1:3.5
• Automatic adaptation to different users' body weights (leaning weights of 500 N to 1500 N, 10 N = 1 kG]
  Version for light persons available as an option

• Backrest tilt mechanism: 26°, locking in foremost position possible or additional restriction of backrest movement at 8, 16 and 26°
• Automatic forward tilt (resulting from a shift in the user's weight) of up to 5 degrees
• Recommended for user weights up to approx. 130 kg
• User weight up to 150 kg in combination with aluminium base

Backrest

• ef:122: 3D knitted membrane in 5 different colours
• ef:102: Slim upholstery backrest with fabrics from the Sedus upholstery fabric collection, rear is always anthracite
• Plastic frame made of glass-fibre reinforced polyamide, either in black (RAL 9011) or light grey (RAL 7035)
• Backrest height, measured from occupied seat:
  640 mm
• Backrest width at iliac crest height: 485 mm
• Lumbar support (70 mm height adjustable), optional depth-adjustable comfort lumbar feature (up to 20 mm lumbar depth adjustment, adaptive system which does not require manual adjustment)

Backrest with flex element ensures both additional freedom of movement and extra support.

• Optional fully upholstered neck support with height (90 mm) and tilt adjustment (25°), with fabric models in black imitation leather, with leather models neck support in the selected leather
• Optional coat hanger

Armrests

- Multifunction armrests (3714):

• Multifunctional armrests with pads made of PUR integrated in the model, swivelling armrest pads (40° inwards, 20° outwards), available in either black or pale grey.
  - Length of armrest pads: 230 mm
  - Width of armrest pads: 80 mm
  - Smallest distance between backrest and front edge of the
  armrest: 300 mm

• Adjustment ranges:
  - Height adjustment: 100 mm (200 to 300 mm)
  - Depth adjustment of armrest pads: 40 mm
  - Inside width: 480 mm (with parallel armrest pads)
  - Inside width from swivelling the armrest pads:
  340–600 mm (distance between armrest front edges)

- 4D armrests with soft-touch covers (3424):

• 4D armrests with 360° rotatable soft-touch covers made of PU material, armrest pads in black or pale grey
  - Length of armrest pads: 230mm
  - Width of armrest pads: 105 mm
  - Smallest distance between backrest and front edge of the
  armrest: 250 mm

• Adjustment ranges:
  - Height adjustment: 110 mm (200 to 310 mm)
  - Depth adjustment of armrest pads: 40 mm
  - Width adjustment (no tools required) according to
  DIN EN 1335-1: 385–520 mm

• Maximum pad clear width when the pads are parallel to each other, minimal pad clear width: -15° when the pads are turned inwards

Seat

• Standard – sliding seat

• Anatomically shaped seat surface with seat pan and rounded front seat edges

Automatic forward tilt (resulting from a shift in the user's weight) of up to 5 degrees. Flexibly mounted seat enables lateral seat movements.

• Upholstery thickness 50 mm
• Moulded foam (polyurethane foam)
• Width 490 mm, seat depth adjustment 430-500 mm
  with adaptive lumbar support depth adjustment: 425–495 mm

• Comfort seat – sliding seat (Code 4512):

• Anatomically shaped seat surface with seat pan and rounded front seat edges
• Automatic forward tilt (resulting from a shift in the user's weight) of up to 5 degrees. Flexibly mounted seat enables lateral seat movements.

• Upholstery thickness 75 mm

• Width 490 mm, seat depth adjustment 430–500 mm
  with adaptive lumbar support depth adjustment: 425–495 mm

Seat height adjustment (Standard seat)

• Gas spring with mechanical depth springing: suspension of the body weight even in the bottom seat position, height adjustment 400–520 mm

Optional Sedo-lift mechanism III: Full suspension of the body weight even in the bottom seat position due to pneumatic locking, practically wear-free, no failure or gas spring replacement. The patented mechanism is guaranteed for 30 years.
- i.c.w. aluminium base, height adjustment 420 – 540 mm
- i.c.w. plastic base, height adjustment 420 - 540 mm

• Optional gas spring with end position cushioning for continuous height adjustment 390 – 530 mm
• Optional gas spring for counter frame with footring
• For comfort seats, the seat heights are approx. 15mm higher.
  

Foot

• Plastic star base (glass-fibre reinforced polyamide), black (RAL 9011) or light grey (RAL 7035)
• Optional polished aluminium base
• Castors of 65 mm diameter, either hard or soft
• Neck support and clothes hanger always come in a black plastic design.

Counter design:

• Counter design in conjunction with a fixed seat depth of 425 mm.
• Footring with 19 mm wide surface area, height-adjustable from 300 to 500 mm, diameter of 500 mm
• Footring and gas spring in black, footring finish in brushed aluminium
• Aluminium base – the model colour determines the foot colour
• Seat height 630 - 880 mm
• Constantly braked castors for safe mounting with full mobility of the chair, always with soft covering for improved grip even on smooth floors, 65 mm diameter
• Recommended for user weights up to 130 kg

Shipping & dispatch

Swivel chair also available as easy-self-assembly version in space-saving package (890 x 680 x 470 mm, 18.6. kg) for safe delivery by courier (model code: ef-102 and ef-122).

Quality standards

• GS label of TÜV Rheinland LGA Products GmbH/ DIN EN 1335 / DIN 4573
• Classified as office swivel chair type A to DIN EN 1335-1
• Ergonomics – certificate of the TÜV Rheinland LGA Products GmbH Tested for harmful substances by TÜV Rheinland LGA Products GmbH
• GREENGUARD QUALITY OFFICE certificate
• BLAUER ENGEL Award Winner
• AGR quality seal - Healthy Backs Campaign
• High-quality materials
• Mechanical, almost non-wearing components
• 5-year guarantee
• Produced in accordance with DIN ISO 14001 Environmental management
• Produced in accordance with DIN ISO 9001

Ecology

• Wear-free production of knitted membrane

• Covers not glued into place

• Eco-friendly leather

• Easy to dismantle

• 10-year availability of spare parts

• Easy maintenance thanks to simple part replacement

• Cover fabrics: Oeko-Tex standard 100

• Produced in accordance with DIN ISO 14001 Environmental management

• Eco balance FACT sheet