Three new N-Eupex couplings and optimised flexible components

Flender is increasing the portfolio of its versatile coupling collection N-Eupex by introducing three new varieties. The new merchandise permit customers additional flexibility of their systems with out shedding the compact design and high load capability of a pin coupling.
The new N-Eupex ERN is equipped with a torque limiter, which supplies even more

security in the drivetrain in plenty of applications. The coupling variant allows customers to

specify a maximum torque so that crucial torques for the motor and output machine

are not transmitted. Machines and techniques are shielded from overload and

injury, thus significantly growing system availability.
With the N-Eupex B plus clamping factor, Flender introduces a second new

coupling that ensures frictionally engaged clamping connections. In this case, the

plain, cylindrical machine shaft finish is connected to the coupling hub through a clamping

connection without a feather key and repair capacity is increased. For example,
meeting or substitute of worn elastomers may be carried out rather more easily.
No connecting machine parts should be moved, the time required is halved

and so is the downtime of the machine.
With the N-Eupex DKS, a new double-cardanic coupling is introduced as a “short

version” into Flender’s modular system. While the DK type, which was launched in

2020, addresses the pump market with standard expansion items for normed shaft

distances, the DKS is the shortest possible double-cardanic answer for the market.
The shortened total length permits cost-optimized use with a small shaft distance

dimension with out losing some great benefits of a double-cardanic coupling connection.
New elastomers for the pin couplings round off the modular extensions. In pressure gauge octa

to the beforehand used rubber components manufactured from NBR, Flender now additionally presents

elastomers manufactured from thermoplastic polyurethane (TPU). Following the torque

increase for all N-Eupex couplings with NBR packings in 2020, using TPU

packings permits the facility density to be increased by one other 20 % on

average. For sizes 300 and above, the familiar NBR elastomer is mixed with

material inserts and the torque capacity is once more raised.
“With a view to the lengthy custom of cam couplings, our growth engineers are

systematically working on increasing the number of mixtures even additional. pressure gauge 10 bar give our customers a variety of sustainable choices for

optimizing their machines and methods even more and reducing maintenance,”

explains André Artmann, Head of Coupling Sales.
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