Torsion Stack Chair



- Overview
- Price List
- Brochure - Stack Chair
- Info Sheet - G2 Tablet for Fixed & Stack Seating
- Torsion Seating Collection Brochure
- Technical Info
- Parts Diagram - Dolly
- Technical Specifications - Stack Chair
- Replacement - Upright Screw
- Replacement - Sled Base Stack Chair Seat
- Environmental Info
- Environmental Data Sheet - Dollies and Caddies
- Environmental Data Sheet
- Design Resources
- See It Spec It
- CAD/Revit Symbols
- Glide Selection Guidelines - 4-Leg (Rapture, Torsion, Torsion Air, Xylon)
- Weight Rating - KI Seating
- Tablet Arm Chair Matrix
- Glide Selection Guidelines - Sled Base (Apply, Doni, Grazie, Torsion, and Torsion Air)
Features & Highlights
- Torsion stack chairs provide unexpected comfort at a price comparable to fixed-back stack chairs
- Patented torsion flex mechanism delivers flex back comfort, encourages movement, relaxation and enhanced circulation
- Poly or upholstered
- Arms, armless or tablet arm
- Four-leg or sled bases
- Stacks up to 6-high
Construction
- Seat and backrest are molded compound curved polypropylene with a textured finish
- Torsion mechanism creates gradually increasing resistance over the full 12 degrees of back flex
- Sled base is 16-gauge welded tubular steel; four-leg frame is 15-gauge welded u-shaped tubular steel
- Legs are finished with baked-on, electrostatically-applied powdercoat paint or bright nickel chrome plating
View Approved Fabrics & Finishes
Select a style to view available options

DESIGNER
Giancarlo Piretti
Giancarlo Piretti (Bologna, Italy, 1940) is an Industrial Designer. Among his successful designs are Plia folding chair, his best-seller exhibited at Moma NY, Platone folding desk, and DSC (106-AXIS) seating system. For Vertebra chairs he obtained the Compasso d'Oro (Italy) as well as for his largest project, Piretti Collection office & institutional seating system. Other designs include Xylon wooden chairs, Torsion collection of institutional chairs; Engage & Impulse office chair lines featured by a synchro tilt mechanism Piretti developed; #18000 nesting & stacking chairs; and the Strive chair collection. The Pirouette nesting table and Grazie and Doni chairs for KI U.S. are G. Piretti's latest designs.