MULTI MONT ASTRA - Reich Kupplungen


The flexible Reich MULTI MONT ASTRA coupling is a fail-safe claw coupling with flexible element for a torsionally flexible shaft connection. The advantages of the all over machined MULTI MONT ASTRA coupling, and of the claw flanks in particular, are the precise running characteristic and the extended service life.

The most salient characteristics and advantages of the MULTI MONT ASTRA claw coupling:

  • compensate axial-, radial- and angular misalignments
  • absorb shocks and vibrations
  • fail safe and withstand high overloads
  • The series covers a range of 10 different sizes with nominal torques from 10 Nm to 2400 Nm
  • well suited as plug-in type couplings ensuring ease of assembly and alignment
  • maintenance-free

For additional information regarding designs, sizes or technical details please make use of our download opportunities below.

Product Details

MULTI MONT ASTRAGeneral technical description:

MMA-W series

MULTI MONT ASTRA couplings are fail-safe up to the breaking torque of the claws and thus ensure maximum operational safety.

The N version of the flexible coupling element offers a hardness of 92° Shore A (white) and the S version a hardness of 98° Shore A (blue). The salient features of the fl exible coupling element are not only its high resistance to wear and tear but also to oil, ozone and aging. Shocks, torsional vibrations and noise are effi ciently absorbed thanks to the inherent flexibility. The flexible element of the coupling is dimensioned such that radial, axial and angular movements are compensated for between the two coupling halves. The fixed position of the flexible element allows axial deformation so that no detrimental axial loads can act upon the machine bearings even if vibratory torques are encountered. The flexible element of the MULTI MONT ASTRA coupling is designed for continuous loads at up to 90°C and short-time loads at up to 120°C. Even temperatures as low as –40°C are acceptable.

Minimum outside diameters combined with a maximum bore guarantee both, low weights and low moments of inertia. The fl exible MULTI MONT ASTRA coupling, being of the plug-in type, is designed for ease of alignment. The balancing quality complies with the DIN-ISO 1940 G 16 quality range.

MMA-T series with taper bushes

Combining the advantages of a flexible coupling with the advantages of a taper bush system, the MULTI MONT ASTRA coupling of the MMA-T series lends itself well to quick and easy assembly when torsionally flexible shaft connections and compensation of shaft alignment errors are required. The MMA -T series with taper bushes offers the distinct advantage that even in the event of major shaft tolerances, backlash-free and axial fixing on the shaft is ensured. In addition, the slide fit facilitates axial alignment of the coupling. The flexible element can be changed by axial movement of the coupling halves with no need for removing connected machinery. The Reich MULTI MONT ASTRA coupling finds its applications in general engineering in all places where a reliable shaft connection is demanded between the motor and the driven machine.

Technical Data

MMA table technical details

D2C – Designed to Customer

D2C – Designed to CustomerThe principle of Designed to Customer describes the recipe for success of REICH-KUPPLUNGEN: Utilizing our product knowledge, our customers are supplied with couplings which are developed and tailor-made to their specific requirements. The designs are mainly based on modular components to provide effective and efficient customer solutions. The unique form of close cooperation with our partners includes consultation, design, calculation, manufacture and integration into existing environments. Adapting our manufacturing to customer-specific production and utilizing global logistics concepts provides better after sales service - worldwide. This customer-oriented concept applies to both standard products and production in small batch sizes.

The company policy of REICH-KUPPLUNGEN embraces, first and foremost, principles such as customer satisfaction, flexibility, quality, prompt delivery and adaptability to the requirements of our customers.

REICH-KUPPLUNGEN supplies not only a coupling, but a solution: Designed to Customer.


  • Application areas:: pumps and compressors industrial applications
  • Product category: Torsionally flexible couplings
  • Product type: Torsionally flexible claw coupling with or without taper bush
  • Torque range: 10 Nm - 2400 Nm
  • Temperature range: -40 °F - 194 °F (-40 °C - 90 °C)

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