Sewn Round Bellows

Sewn Round Bellows


These are used when strong rotation resistance is required (for instance, to cover ball screws) and where a very compact closed lenght is required.

  • Highly reliable bellows
  • No tooling costs
  • High resistance to mechanical and dynamic stress
  • With selected edging (in safety colors upon request)
  • Resistance to coolants and oils
  • Minimum internal diameter starting at 20 mm
  • Suitable for high temperatures
  • Any size external diameter
  • Available with guide bushings and reinforcement rings
  • Good price/quality ratio


Formula for calculating the CLOSED LENGTH

Note: When steel rings are required inside the folds, the P.C. is calculated by our engineering department.


Available Materials

  • Polyester coated with Neoprene* and Hypalon*
  • Polyester coated with Nitril rubber
  • Polyester coated with Polyurethane
  • Polyester coated with PVC
  • Kevlar* coated with Neoprene* and Hypalon*
  • Kevlar* coated with Polyurethane
  • Fiberglass coated with Silicone and Neoprene*
  • Fiberglass coated with PVC
  • Aluminum-coated fabrics
* Neoprene, Hypalon and Kevlar are registered Dupont trademarks
* see materials

Other protections

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  P. E. I. s.r.l. - società unipersonale
del Gruppo PEI Italia s.r.l.
Via Torretta 32 - 32/2 - 34 - 36
40012 - Calderara di Reno - BOLOGNA


  Tel. +39 051 6464811
Fax. +39 051 6464840
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Reg. Imp. BO, C.F. e P.I. 02894991203
Capitale Sociale € 1.000.000,00 i.v.

2013 Janus


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