ID
975916
$ 1,235.20
1-2 weeks delivery time
-
+
The Vetus BULFL0830 Bullflex 8 Flexible Coupling (shaft Ø 30 mm, type 8) ensures optimal vibration damping and perfect shaft alignment for marine propulsion systems. With a 170 mm diameter and 166 mm height, it provides smooth, quiet power transfer up to 127 HP at 3600 RPM (2:1 reduction). The highly flexible rubber element absorbs torsional vibrations, allowing up to 2° misalignment without backlash or noise. Designed for durability, it includes a built-in thrust damper, galvanic isolation, and a non-tapered hub for precise centering and easy maintenance-free installation.
- Description
- Ask a Question
-
Vetus BULFL0830 Bullflex 8 Flexible Coupling for 30 mm Shaft
The Vetus BULFL0830 Bullflex 8 Flexible Coupling is engineered to provide exceptional vibration damping and precise propeller shaft alignment for marine propulsion systems with 30 mm shafts. Its highly flexible pre-tensioned rubber element absorbs torsional and axial vibrations, ensuring smooth and quiet transmission between the engine and propeller shaft. The Bullflex 8 coupling allows for up to 2° shaft misalignment without any reduction in performance, offering reliable, backlash-free operation and long-lasting protection for the drivetrain.
Key Features
- Extremely high flexibility for superior vibration and noise reduction
- Axially and radially secured against shearing for maximum operational safety
- Permissible shaft misalignment up to 2°
- Excellent shaft centering, even at high rotational speeds
- Removable centering ring suitable for multi-bearing configurations
- Built-in thrust damper for reduced axial vibration
- Non-tapered clamping hub ensures accurate centering and easy removal
- Provides complete galvanic isolation between engine and propeller shaft
- Ensures smooth, backlash-free power transmission
Performance Ratings (at 3600 RPM)
- Gear 2:1 reduction – Maximum 127 HP
- Gear 2.5:1 reduction – Maximum 102 HP
Technical Specifications
Parameter Specification Model BULFL0830 (Bullflex Type 8) Shaft Diameter Ø 30 mm Overall Diameter (D) 170 mm Height (L) 166 mm Pleasure Craft Power Ratio (DIN 6270B) 8.5 HP / 100 RPM (6.3 kW) Commercial Craft Power Ratio (DIN 6270A) 5.8 HP / 100 RPM (4.3 kW) Max Torque (Pleasure Craft) 600 Nm Max Torque (Commercial Craft) 410 Nm Max RPM (Zero Misalignment) 5000 RPM Max RPM (at 2° Misalignment) 2500 RPM Flange Options Combined 4″ and 5″ flanges Material Marine-grade rubber with precision-machined steel hub Galvanic Isolation Yes
Dimensional Overview
- Type: Bullflex 8
- Flange size: 4″ & 5″ combined
- Shaft diameter: 30 mm
- Length L: 166 mm
- Diameter D: 170 mm
Advantages of the Bullflex Coupling
- Exceptional damping of torsional and axial vibrations
- Quiet, smooth, and maintenance-free operation
- Accurate shaft alignment, even under heavy loads
- Prevents galvanic corrosion between engine and shaft
- Simple installation and removal for quick maintenance
-
Popular products
