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Wire Rope Vibration Isolator
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JGX-0240D-4.5A Wire Rope Vibration Isolator Marine-Grade Salt Spray Resistance High Tensile Safety Rating

JGX-0240D-4.5A Wire Rope Vibration Isolator Marine-Grade Salt Spray Resistance High Tensile Safety Rating

Brand Name: Hoan
Model Number: JGX-0240D-4.5A
MOQ: 10 Pieces
Payment Terms: L/C,D/A,D/P,T/T
Detail Information
Place of Origin:
Shaanxi, China
Certification:
ISO 9001:2015
Wire Rope Diameter:
4.5 Mm
Number Of Coils:
8
Salt Spray Test Endurance:
≥1000 Hours (ASTM B117)
Wire Rope Material:
Stainless Steel 316L
Mounting Block Material:
Stainless Steel 304
Wire Rope Tensile Strength:
≥1570 MPa
Operating Temperature Range:
-70°C To +250°C
Damping Ratio:
≥15%
Natural Frequency Range:
5-15 Hz
Isolation Efficiency:
≥85% At Resonance
Mounting Thread Size:
M5
Unit Weight:
Approx. 38 G
Surface Treatment:
Passivated & Electropolished
Galvanic Compatibility:
Marine Grade Certified
Highlight:

Marine-Grade Salt Spray Resistance

,

316L Stainless Wire Rope Mount

,

Corrosion Resistant Vibration Isolator

Product Description

JGX-0240D-4.5A Marine-Grade Wire Rope Vibration Isolator — Corrosion-Resistant 316L Construction

When vibration isolation equipment operates in salt-laden atmospheres, standard materials degrade rapidly — compromising both safety and performance. The JGX-0240D-4.5A marine-grade wire rope vibration isolator addresses this challenge head-on with 316L stainless steel wire rope and 304 stainless steel mounting blocks, delivering marine-grade salt spray resistance exceeding 1,000 hours under ASTM B117 neutral salt spray testing. Every surface undergoes passivation and electropolishing, eliminating free iron and creating a chromium-rich oxide layer that self-heals when scratched.


Corrosion Resistance Validation


Test Standard Condition Duration Result
ASTM B117 5% NaCl fog, 35°C 1,000 hours No red rust, no pitting ≤0.1 mm
ISO 9227 (NSS) Neutral salt spray 1,000 hours Pass — Grade 9 or better
Cyclic Corrosion Salt fog + humidity + drying 30 cycles No functional degradation
Intergranular Corrosion ASTM A262 Practice E 24 hours No sensitization observed

Full corrosion test reports with photographic documentation are available for qualified inquiries. Third-party laboratory validation can be arranged for project-specific certification requirements.


Application Scenarios


JGX-0240D-4.5A Wire Rope Vibration Isolator Marine-Grade Salt Spray Resistance High Tensile Safety Rating


Marine Vessels & Workboats

Navigation electronics, communication racks, and engine monitoring systems aboard commercial vessels, fishing boats, and passenger ferries face continuous salt spray and humidity exposure. The JGX-0240D-4.5A maintains isolation performance without corrosion-related stiffness drift.

Offshore Energy Platforms

Control cabinets, instrumentation panels, and safety system enclosures on offshore wind turbines, oil and gas platforms, and subsea power distribution units require vibration isolation that survives decades of marine atmosphere exposure without maintenance intervention.

Coastal Infrastructure

Bridge monitoring systems, lighthouse equipment, port automation controls, and desalination plant instrumentation deployed within 5 km of coastlines are subjected to airborne salt concentrations that accelerate corrosion in standard isolators.

Chemical & Food Processing

Equipment in washdown environments, CIP (clean-in-place) systems, and facilities using chlorine-based sanitizers benefits from the 316L construction's resistance to chloride-induced stress corrosion cracking.



Technical Specifications


Parameter Specification
Model Number JGX-0240D-4.5A
Wire Rope Diameter 4.5 mm
Number of Coils 8
Wire Rope Material Stainless Steel 316L
Mounting Block Material Stainless Steel 304
Wire Rope Tensile Strength ≥1570 MPa
Salt Spray Endurance ≥1000 Hours (ASTM B117)
Damping Ratio ≥15%
Natural Frequency Range 5-15 Hz
Isolation Efficiency ≥85% at Resonance
Operating Temperature Range -70°C to +250°C
Mounting Thread M5
Unit Weight Approx. 38 g
Surface Treatment Passivated &Electropolished
Compliance CE, ISO 9001:2015



Frequently Asked Questions


What is the difference between 316L and standard 304 stainless steel for vibration isolators?

316L contains 2-3% molybdenum, which significantly enhances resistance to pitting corrosion caused by chloride ions present in seawater and marine atmospheres. In salt spray testing, 316L components typically outlast 304 equivalents by 3-5x before visible corrosion appears. The "L" designation indicates low carbon content (≤0.03%), which prevents chromium carbide precipitation during welding and maintains corrosion resistance in heat-affected zones.

Does the JGX-0240D-4.5A require additional coating for offshore use?

No. The combination of 316L wire rope, passivation, and electropolishing provides sufficient corrosion protection for most offshore environments without supplemental coatings. Unlike painted or epoxy-coated alternatives, there is no coating to chip, crack, or require reapplication. If your specific environment exceeds standard marine conditions (e.g., submerged service or chemical exposure), please contact our applications engineering team.

How do I verify the material grade upon delivery?

Each production lot includes a material certification document (mill test report) traceable to the original steel mill heat number. Portable XRF (X-ray fluorescence) analysis can also non-destructively verify molybdenum content on-site. We encourage customers to perform receiving inspection using either method.

What is the expected service life in a marine environment?

Based on accelerated corrosion testing and field data from installations in Southeast Asian and North Sea marine environments, the JGX-0240D-4.5A is projected to deliver 10+ years of service with routine inspection. Actual service life depends on local salinity levels, temperature cycles, and exposure to airborne contaminants.