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Mechanical power transmission magnetic couplings

The use of magnetic couplings is recommended in applications where it is necessary to hermetically separate two zones in order to prevent fluid or gas leakage from one area to another. The classic example is fluid transfer pump applications. In these applications the fluid must not come into contact with the external environment.

These magnetic couplings also prevent transmission of vibration and axial and radial loads through the drive shaft.

These magnetic couplings allow mechanical power transmission between two separate hermetically sealed areas.

Suitable for applications where prevention of cross contamination is essential, such as hydraulic sectors, dosing systems, compressors, sterilisers, industrial ovens, biotechnology, subsea equipment, pharmaceutical industry, chemical industry, food industry, generators, mixers.

Built to suit a particular application, there is no need to alter a system. The magnetic coupling will be designed to suit the specifications of a machinery application.

These magnetic couplings can be used to connect gear pumps , screw pumps, centrifugal pumps, etc. with all types of electric motor or gear box, including US standards such as NEMA types.

Elimination of fluid leakage from the pump shaft.
Vibrations are not transmitted to the pump.
No maintenance required for magnetic couplings.
Using magnetic couplings allows use of standard pumps without expensive mechanical seals.
No additional cost for purchasing mechanical seal spare parts and maintenance.

Further details, the technical specification catalogue and contact info can be viewed via

JBJ Techniques

JBJ Techniques is a specialist supplier of high-quality products for the mechanical power transmission and fluid power sectors. The company offers a high level of in-house expertise plus a huge selection of products to meet a very broad range of customer applications.

An organisation that manufactures and integrates all the diverse components of a drivetrain provides the experience to help you select the best component combination for your application. Simple coupling-bellhousing-pump combinations to mechanical drives for subsea wave energy, steel works crucible handling equipment or marine winch drives, jbj’s team is recognised for its expertise in the selection and configuration of hydraulic and mechanical transmission systems. Able to draw on an extensive product range that provides the building blocks for bespoke systems both large and small, the in-house design team offers a complete service, ranging from assessment of customer requirements to full technical backup, including product specification, CAD based system design, system build and certification. Moreover customers can take advantage of jbj’s own machine-shop facilities and skilled engineers to guarantee quality and control costs.

» product specification
team of design engineers to assist in design process, simple or complex, standard or bespoke.

» prompt product supply
large stocks for next day delivery on many items.

» machine shop
full machining services for bespoke designs.

jbj Techniques offers a high level of in-house expertise plus a huge selection of products to meet a very broad range of customer applications. From specification, through technical advice and manufacture to after-sales support, jbj Techniques provides a comprehensive and valued service to the power transmission and hydraulics industries. The company fields a UK-wide team of technical sales engineers to ensure that the business is close to its customers, and it enjoys excellent associations with European & North American manufacturers, acting as sole UK distributor in many cases.

Based in  Redhill, Surrey,  U.K. assisting customers around the world.

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