Operating range

  • For single reel as well as narrow reels and multi-core-usage
  • For any type of cores ≥ Ø 60 mm

Characteristic features

  • Pneumatic pre-centering of winding cores
  • Multi-bladder design
  • Multi-bladder design
  • Simple maintenance
  • Budget-priced due to standardization
Characteristic features
  • Pneumatically actuated by means of pressurization
  • Clamping rails of polyurethane or aluminium optional with spring assisted reset
  • Pre-centering rails of aluminium or plastic
  • Internal and covered multi-bladder-system
  • Base material: aluminium profile (lightweight-design) or special materials
  • Budget-priced modular design
Expansion method - Pneumatic
Clamping elements - Clamping rails
Winding cores
Any kind as e.g. cardboard, plastic, metal
  • Standard for core size Ø 75 mm / 3" and Ø 150mm / 6"
Nominal diameter - Winding core ≥ 60 mm
Slit with of multi-reels - minimum Nominal diameter - Narrow reels ≥ 10 mm
Concentricity for winding
depends on clearance between outer diameter of winding shaft and inner core diameter
Concentric tolerance ≥ 0,5 mm
Actuation tools
Air-pistol, deflation tool
Actuation method - Pneumatic
Optional: Spanntec CMS (Condition Monitoring System)
Digital system for condition monitoring of reel tightening units which ensures maximum process reliability More information
Spanntec CMS Icon mit Netz schwarz


  1. Body
  2. Valve
  3. Clamping rail
  4. Pre-centering rail
  5. Flat rubber tube with protection strip
  6. Filler neck
  7. Clamping parts
  8. Reset spring
  9. Sealing elements

3D Sectional view, Winding Shafts, Serie 2120

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