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  • -zł590.00

Flexible coupling BULLFLEX 1, shaft Ø 25mm

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zł1,850.00 Save zł590.00
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Reference: BULFL0125-WS


Winter sale!

The BULFL0125 ensures optimum damping of vibrations. Excellent alignment of the propeller shaft due to a special centering ring, with ease of installation.

Flexible couplings Type Bullflex

Ensuring optimum damping of vibrations

The Bullflex is the answer to the increasing demand of greater boating comfort. It is especially designed to ensure optimum damping of vibrations. Torsional vibrations are smoothed out extremely efficiently by its very flexible rubber element, ensuring low-noise and vibration-free transmission without backlash between the engine and propeller shaft. Another strong characteristic is the excellent alignment of the propeller shaft. For the most popular Volvo, Yanmar and Kanzaki gearboxes special (also custom made) adapter flanges are available.


• Very high flexibility

• Secured against shearing off (axially and radially) ensuring safe transmission under all circumstances

• Misalignment of up to 2º permissible

• Excellent centring of the shaft, allowing high shaft revolutions

• Shaft remains centred even in reverse gear

• Possibility to remove the centring ring, in case two or more bearings are applied

• Built-in thrust damper reducing axial vibrations

• Non-tapered clamping hub for perfect centring and easy dismantling of the shaft assembly


• Models 1, 2 and 4 have a 4” gearbox connection

• Models 8, 12 and 16 feature a 4” and 5” gearbox connection

• Model 32 is provided with six threaded M16 holes on a pitch circle diameter of Ø 120,65 mm / 4,75” enabling mounting of the couplings to most models of gearboxes (Hurth, Velvet, Technodrive, ZF and P.R.M.)

• VETUS can also supply the required fasteners for installation of the Bullflex onto the gearbox. This coupling is not suitable for V-Drives


Data sheet

Type Bullflex
DIN 6270B = pleasure craft kW (HP)/100 shaft RPM
0.8 (1.1)
DIN 6270A = commercial craft kW (HP)/100 shaft RPM
0.5 (0.7)
Max. torque Nm DIN 6270B
Max. torque Nm DIN 6270A
Max. RPM at zero misalignment
Max. RPM at 2º misalignment
D (inches)
3 15/16
L (inches)
3 11/32
Shaft diameter d (inches)
D (mm)
L (mm)
Shaft diameter d (mm)

Specific References

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