Hoan JRD-Type Double Male Threaded Rubber Vibration Isolators Cylindrical Rubber Mounts
High-Performance Structural Damping Solutions for Water Pumps, Cooling Towers, Fans Generators
In modern industrial environments, unchecked mechanical vibration is a silent enemy of operational safetyand structural integrity. Heavy equipment such as water pumps, industrial fans, cooling towers, dieselgenerators, and air compressors produces severe rotational and reciprocating vibrational energy. Leftunmitigated, these vibrations transfer directly into the building foundations and connected piping systems,leading to accelerated component wear, severe noise regulation violations, structural fatigue, andexpensive unscheduled downtime.
Are these operational challenges affecting your facility?
Premature Equipment Wear: Constantly shaking motors, loose electrical components, and crackedjoints caused by structural friction.
Intense Industrial Noise: Harsh metallic rumbling and high-decibel humming that harm worker healthand violate local environmental laws.
Piping & Joint Cracks: Fluid pulsation in pumps causing stress cracks in pipe fitings, leading to leaksand safety hazards.
Introducing theHoan JRD-Type Cylindrical Double Male Threaded Rubber Vibration Isolators-the ultimateprofessional-grade solution to decouple your machinery from structural resonance and restore quiet, high-efficiency operation.
Product Gallery
Our standard cylindrical isolation mounts are manufactured under strict ISO and quality control standards toguarantee premium-grade industrial performance.1. Hoan JRD-Type (Double Male Thread Studs) - Main ProductThe JRD-type features identical external male threaded studs extending from both ends, which allows fordirect slotting through pre-drilled plates and instant security with a standard hex nut.
2.Hoan KTX-Type (Double Female Thread) Alternative/Reference ModelFor low-profile installations or setups with pre-existing bolts, we also offer our KTX-type female threadseries. This comparative reference allows engineers to select the ideal mounting layout for their systems.
Key Features Benefits
Premium High-Resilience Natural Rubber: Formulated using high-quality natural rubber compounds todeliver superior elongation, high elasticity, and outstanding fatigue and tear resistance. Our standardShore 55A durometer provides a perfect balance of structural stability and damping efficiency.
Wide Load-Bearing Versatile Damping: Specifically engineered for a broad loading spectrum, makingthem highly versatile across mid-to-heavy industrial machinery. Capable of absorbing up to 99% ofstructural vibration energy.
Double Male Stud Structure : Features external metric threaded studs on both sides. Thisdouble-stud structure enables exceptionally easy installation: simply insert the studs directly throughpre-drilled holes in your brackets or equipment bases, and secure them with washers and hex nuts.Heavy-Duty Thermo-Chemical Bonding: The rubber body is vulcanized directly to the steel endplatesusing an advanced chemical bonding agent. The bonding strength exceeds the tensile strength of therubber itself, ensuring the thread studs will never pull out, shear off, or loosen under extreme operational
stress.
Corrosion-Resistant Metal Hardware: Standard metal plates and threads are treated with a heavy zinc-plated coating to withstand moisture, oxidation, and outdoor weather. Marine-grade SUS304 or SUS316stainless steel hardware is fully customizable for chemical-rich or saltwater washdown environments.
Excellent Aging & Environmental Resistance: Compounded to offer reliable resistance to UV rays,ozone, high heat, and minor oil splashes, ensuring long-lasting service in harsh industrial conditions.
Detailed Specifications
Every Hoan JRG-type rubber mount is built to precise industrial dimensions. Below is the completespecification table matching our standard product matrix:
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Thread Size x Length MxL (mm)
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Note: Custom specifications including custom rubber diameter (D), rubber height (H), threaded stud length(L), and thread pitches (such as UNC/UNF) are fully supported. Standard durometer is Shore 55A,customizable from Shore 40A to Shore 80A.
Professional Industrial Applications
The Hoan JRD-Type is widely selected by industrial engineers for high-durability vibration isolation acrossmid-to-heavy duty applications:
Water Pumps Fluid Transfer Systems: Eliminates hydraulic shock waves and motor humming,safeguarding adjacent piping manifolds from fatigue cracks.
Industrial Cooling Towers: Ideal for isolating large cooling fan assemblies and preventing buildingstructures from resonating with fan vibration.
Air Compressors Blowers: Dampens severe reciprocating movement, maintaining equipmentalignment and preventing structural damage to the floor.
Industrial Fans Ventilation Hubs: Absorbs high-speed rotational forces to ensure smooth, quietoperation of exhaust and intake blowers.
Diesel Generators Prime Power Stations: Blocks heavy engine-stroke rumbling, ensuring safetycompliance for backup power facilities.
Chillers HVAC Units: Prevents the heavy compressor vibration in central climate control machineryfrom transferring into building walls or roofs.
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