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Constant Filling Fluid Coupling

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YOXn Type Flexible Hydraulic Fluid Couplings

YOXn Type Flexible Hydraulic Fluid Couplings

Inspection items before installation of hydraulic coupler The hydraulic coupler is connected with the motor and the working machine in series to form a transmission system. The motor shaft, working machine shaft, hydraulic coupling input/output hole, key, key hole, installation distance, fit...

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Inspection items before installation of hydraulic coupler

The hydraulic coupler is connected with the motor and the working machine in series to form a transmission system.

The motor shaft, working machine shaft, hydraulic coupling input/output hole, key, key hole, installation distance, fit shaft hole size, tolerance length, etc. meet the requirements, as well as the parts of the collision damage repair, etc., should be checked before installation.

Otherwise, the installation process will encounter a lot of trouble.

The fit between the input and output holes of the hydraulic coupler and the shaft of the motor is suitable for dynamic fit. The transition fit is also suitable for the occasions where disassembly is not frequent, but interference fit is absolutely not allowed.


Check whether the radial and axial runout of the motor shaft and working machine shaft are out of tolerance. The runout value should be less than 0.05mm, otherwise it cannot be assembled.


Check the fit between the dimensional tolerance of the motor shaft and the working machine shaft and the dimensional tolerance of the input and output holes of the hydraulic coupling. If the fit is too tight, it should be replaced or corrected.


Check whether the dimensions of keys, keyways and shaft extension are bent, damaged and meet the assembly requirements.

Check the appearance of the hydraulic coupler to see if it is damaged during transportation

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If you are satisfied with our yoxn type flexible hydraulic fluid couplings, welcome to wholesale the best quality, safe and durable equipment with our factory. We also welcome customized orders. Check the price list and the quotation with our manufacturers and suppliers now.
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