Flexible couplings

Guarantee of reliable torque transmission and protection of the drive train.

Reliable couplings

FLENDER flexible couplings are compatible and easy to install. The elastomeric element compensates for shaft misalignment and absorbs impacts from the motor or working machinery.

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Specification
Characteristics
Application

Universal application	suitable for a wide range of industrial applications
Size range	available in 23 sizes
Nominal torque	from TKN = 12 Nm to 85 000 Nm
Temperature range	from –50 °C to +100 °C

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Choice of elastomer hardness	different elastomer hardnesses available to suit different applications
Design	FLENDER three-piece coupling design for easy component replacement
Parts availability	high availability of spare parts in stock

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Machinery industry	pumps, fans and blowers, compressors, extruders, aerators and mixers
Mining and cement industry	heating technology
Oil and gas	pumps, fans, compressors, air condensers
Energy	pumps, fans, compressors, air condensers, water turbines
Chemicals and pharmaceuticals	dryers, filter vats, pumps, fans, compressors, mixers, agitators, reactors
Plastics and rubber	single and twin-screw extruders
Pulp and paper industry	wastewater treatment plants
Water and waste water	aerators
Food and beverage	filter vats, reactors, stirrers, mixers

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Specification
Characteristics
Application

Designed for medium and higher torques	finger coupling for reliable torque transmission in harsh environments
Nominal torque	from 200 Nm to 1 690 000 Nm
Temperature range	from -50°C to +100°C

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Compact design	low weight and moment of inertia due to optimised design
Reversible operation	suitable for work in both directions of rotation (reverse operation)
Assembly	tapered bumper pin sockets for easy installation and maintenance-free operation
Barrel bumpers	the optimised shape allows simple plug-in assembly and minimal circumferential play
Oscillation dumping	effective damping of oscillations and vibrations

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Mechanical industry	pumps, fans, compressors, conveyors, generally in mechanical engineering
Machinery industry	extruders, mixers and blenders, crushers, mills, presses, conveyors
Mining and cement	belt conveyors, plate conveyors, bucket elevators, tube mills, rotary kilns and more
Steel fabrication	shears, straighteners
Cranes	lifting and tilting gear systems, rotating gear systems
Oil and gas	pumps, fans, compressors
Power generation	generators, cooling towers, water turbines
Chemistry and pharmaceuticals	mixers, cooling towers, stirrers, reactors
Plastics and rubber	extruders
Pulp and paper	wood grinders, coating machinery, wastewater treatment

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Specification
Characteristics
Application

Universal application	a coupling from FLENDER designed for a wide range of applications
Size availability	available in 13 sizes, tailored to user needs
Nominal torque	from 21 Nm to 5 100 Nm
Temperature range	from -50°C to +100°C
Suitable for use in explosive environments	certified according to 2014/34/EU (ATEX)

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Specially designed elastomers	ensure even load distribution and optimal lifespan in various conditions
Safe torque transmission	operate backlash-free, making them resistant to failures
High torque reserves	increased maximum torque and an extended range of bore diameters
Availability	lower storage costs thanks to direct stock availability of parts

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Mining and cement industry	separators and heating technology
Steel fabrication	shears and straightening machines
Oil and gas	pumps, fans, compressors and air condensers
Power generation	pumps, fans, compressors, air condensers and water turbines
Chemicals and pharmaceuticals	dryers, filter vats, pumps, fans, compressors, mixers, agitators and reactors
Pulp and paper	wastewater treatment plants
Water and waste water	aerators and water screw pumps

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FAQ

Yes, we install drive performance monitoring systems such as AIQ Core and AIQ Detect by Flender, enabling customers to monitor drive performance in real time.

AIQ Core, dedicated to gear units, collects data on the speed, vibration and temperature of the device, helping to quickly detect abnormalities and plan servicing. AIQ Detect, fitted on N-EUPEX and RUPEX couplings, monitors elastomer wear and coupling performance.

Both systems increase the reliability of the drives and allow them to optimise their operation, minimising the risk of breakdowns and downtime.

If you require a quotation for a replacement product in the field of drive technology, simply send us a photo of the equipment nameplate. It contains all the key technical data, which allows the replacement to be matched quickly and precisely.

However, when developing a new application, the amount and detail of information required increases significantly. In this case, data on technical parameters (e.g. torque, power, speed), operating conditions (temperature, humidity, loads), specific installation requirements and any additional application requirements must be provided. The type of data required may vary from product to product.

We analyse each enquiry individually in order to provide a solution that is perfectly tailored to the customer’s needs and the specifics of a given application.

Do you need support?

Write to us and we will find the optimum drive technology solution for you.