Rigid mechanical coupling RIGIFLEX®-N
for shipsATEXbacklash-free

rigid mechanical coupling
rigid mechanical coupling
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Application domain
for ships
Other characteristics
ATEX, backlash-free


Double-cardanic, torsionally stiff and backlash-free coupling for medium- to high-speed drives specifically for pumps and compressors. Features Series in accordance with API 610 / optionally API 671 For drives with circumferential speeds up to 100 m Spacer assembly mounted by manufacturer Complying with ATEX Laminae The laminas of RIGIFLEX-N are designed as layered and waisted laminae sets. They are connected with hubs and flanges fully backlash-free via positive-locking dowel screws. Torques, displacement figures and stiffness for special types can be varied by the number of layered individual laminas. Securing the spacer The focus with the development of RIGIFLEX-N was on observing the API provisions 610 and 671. That is why the spacer is secured by a catch: If a lamina fails, the spacer will remain inside the coupling. In general the dismountable component is supplied with a laminae set pre-assembled by the manufacturer. API 610 and 671 RIGIFLEX-N complies with the specifications of API provision 610 and is optionally available in accordance with API 671. The steel laminae coupling is designed for average and serious operating conditions in the pump industry. It is used in process pumps, boiler feed pumps and pipeline pumps in chemistry and petrochemistry. It is also suitable for applications in marine and compressor industry.


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