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Couplings

SIT is the leader in design and production of a vast and complete range of couplings that include torsionally rigid couplings, flexible couplings, zero backlash couplings, toothed couplings, couplings with shaft, bellows and disc couplings or to the client’s own design.  A product capable of meeting the most demanding power transmissions with the absolute guarantee of quality. Couplings certified in accordance with the ATEX 2014/34/EU directive are available on request.

Bellows coupling
Flange couplings
Universal joint
Zero backlash coupling
Toothed coupling
Disc coupling
Couplings brochure (7.8 MB)

Locking Devices

The keyless locking devices produced by SIT S.p.A. for more than 30 years are ideal for any shaft-hub connection application. SIT-LOCK® units are suitable to connect any type of hub (flywheels, pulleys, chain wheels, gears, levers, eccentrics, couplings, etc.) and can be utilized in a varied range of industrial applications.
SIT-LOCK® 1
SIT-LOCK® 2
SIT-LOCK® 4
SIT-LOCK® 5A
SIT-LOCK® 6
SIT-LOCK® 7
SIT-LOCK® 8
SIT-LOCK® 9
SIT-LOCK® 10
SIT-LOCK® 11
SIT-LOCK® 12
SIT-LOCK® 13
Locking devices brochure (3.1 MB)