Bell-Type Marine Engine Mounts

MARINE bell-type shock absorber is a kind of overload protection shock absorber for ship engines. It is widely used on ships because it can effectively reduce the vibration and noise generated by diesel engines and ship engines. Due to the low compression volume of MARINE bell-type shock absorber, it is very easy to install. The rubber of the shock absorber is installed in the bell-type mold, which has high compressive and shear strength, so it can provide higher vertical elastic three-axis control, and effectively reduce vibration by improving the longitudinal stiffness and optimizing the lateral stiffness. This shock absorber can withstand the ship propeller's powerful impact force.

It also has a sturdy shell design, accurate vibration load, and a perfect anti-corrosion design, which can effectively prevent the erosion of liquids such as diesel.

product details

Factory Real Photos

Product Specifications

Product Features

Saltwater-Resistant Construction
316L stainless steel hardware standard
Marine-grade rubber compound (50°-70° Shore A)
Triple-layer anti-corrosion coating (900+ hour salt spray tested)
Dynamic Wave Motion Compensation
3-axis motion control (heave/pitch/roll)
Adaptive damping for 0.5-5m wave conditions
Compact Heavy-Duty Design
40% higher load density than standard marine mounts
Low-profile configuration (saves engine room space)
Emergency Failsafe System
Mechanical load locks engage at 120% overload
Fire-resistant materials (SOLAS compliant)
Underwater Serviceability
Dive-friendly maintenance points
Biofouling-resistant surface treatment

Application

1. Commercial Vessels
Main engine mounts (up to 100MW)
Thruster vibration control
Deck machinery isolation
2. Naval Systems
Weapon system stabilization
Sonar array protection
Stealth technology applications
3. Offshore Platforms
FPSO topside equipment
Drilling rig motion compensation
LNG transfer systems
4. Specialized Marine
Research vessel instrumentation
Subsea ROV shock protection
Icebreaker equipment mounts
5. Renewable Energy
Floating wind turbine bases
Wave energy converter moorings
Tidal power generator supports

Advantages

✔ Superior Vibration Isolation
90% vibration reduction (DNV-CG-0139 compliant)
Effective from 5-500Hz (engine harmonics coverage)
✔ Shock Protection
Withstands 25g impact loads (MIL-S-901D Grade A)
Rapid energy dissipation (＜0.5sec recovery)
✔ Long Service Life
15-year design life in seawater immersion
50,000+ hours at continuous rated load
✔ Temperature Tolerance
-30°C to +80°C operational range
＜3% stiffness variation in Arctic conditions
✔ Anti-Resonance Design
Tuned to avoid common marine frequencies
Eliminates harmonic amplification

Customer Feedback

R&D Centre - Laboratory

Manufacturing Standards

VE-Series Standard Vibration Isolation Mounts

FAQ

1. We're installing equipment on a floating dock/pontoon that's constantly moving. Can these mounts handle not just vibration, but also the low-frequency rocking and wave-induced motion?

Absolutely. This is a key application for MARINE mounts. Their design provides excellent damping characteristics which are crucial for absorbing the persistent, low-energy motions of a floating structure, not just isolating equipment vibration. By reducing the transfer of wave-induced motion to sensitive equipment—like generator sets, refrigeration units, or navigational electronics on vessels—they help prevent premature wear and ensure stable operation. They are a critical component for marine equipment stabilization on dynamic platforms.
2. We've had issues with other products where the metal parts rusted into a single mass with the boat's structure, making replacement impossible. How do you prevent galvanic corrosion and "freezing" in place?

This is a critical failure mode we specifically design against. First, we use isolation barriers and non-metallic sleeves to prevent direct metal-to-metal contact between the mount's hardware and the vessel's structure. Second, all metallic parts are either A4 (316) stainless steel or receive a multi-step marine-grade corrosion protection treatment. This focus on preventing galvanic corrosion in saltwater applications ensures the mounts remain serviceable and can be removed or adjusted even after years of exposure, a vital feature for maintainable marine engineering solutions.
3. We operate in cold northern waters. Will the rubber compound in these mounts become brittle and crack in freezing temperatures?

Our standard MARINE elastomer is formulated for a wide operational temperature range that includes sub-zero conditions, maintaining flexibility and damping properties. For exclusive use in Arctic or extreme cold-water marine operations, we offer special low-temperature Arctic-grade compounds that are tested to perform without cracking or hardening in the most severe freezing environments, ensuring reliable vibration isolation for offshore and fishing vessels year-round.