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Heavy-Duty Jaw Couplings - ML Series Plum Blossom Flexible Coupling with Brake Wheel

Model Number
MLD-20
MLD-25
MLD-24
MLD-30

Product Description

Discover superior performance with our ML Series jaw couplings, engineered for demanding applications across construction, metallurgy, mining, and petrochemical industries. These robust flexible couplings feature a unique plum blossom (spider) design with precision-machined steel construction and advanced elastomer elements that deliver exceptional torque transmission while effectively damping vibrations and compensating for misalignments.

 

Rated for 2000 N.m torque with maximum capacity reaching 8200 N.m, our jaw couplings handle the most challenging power transmission requirements while operating at speeds up to 5000 RPM. The flexible coupling design incorporates multiple spider options with varying hardness levels and petal configurations (4, 6, 8, or 10 petals) to suit specific application needs. With axial plug-in installation for easy assembly, maintenance-free operation, and optional brake wheel integration, these jaw couplings offer reliable performance in temperatures ranging from -30°C to +80°C. Available with various fixation methods including setscrew, clamping, and keyway options, our flexible couplings ensure secure shaft connection while protecting your equipment from damaging vibrations and misalignment stresses.

 


Features

  • Plum Blossom Spider Design: Multiple petal configurations for optimal flexibility and torque transmission

  • Heavy-Duty Construction: Precision-machined 45# steel with oxidation surface treatment

  • High Torque Capacity: Rated 2000 N.m with maximum torque up to 8200 N.m

  • Multiple Elastomer Options: Three hardness levels available for different application requirements

  • Brake Wheel Integration: Optional brake wheel for combined coupling and braking functionality

  • Axial Plug-In Design: Easy installation and maintenance-free operation

  • Wide Temperature Range: Reliable performance from -30°C to +80°C

  • Multiple Fixation Methods: Setscrew, clamping, and keyway options available

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Description
The ML Series jaw couplings represent the pinnacle of flexible coupling technology, designed specifically for heavy-duty industrial applications where reliability and performance are critical. These couplings utilize an advanced plum blossom-shaped spider element that fits securely between interlocking jaw hubs, creating a robust yet flexible connection that transmits torque efficiently while accommodating significant misalignments. The unique design effectively absorbs torsional vibrations, reduces shock loads, and protects connected equipment from premature wear and damage.

Ideal for metallurgy, mining, petrochemical, lifting equipment, textiles, pumps, fans, and various large-scale mechanical systems, these flexible couplings offer exceptional electrical insulation, chemical corrosion resistance, and reliable operation in both horizontal and vertical installations. The compact design with minimal mounting length makes them perfect for applications with limited space, while the maintenance-free operation and excellent low-temperature performance ensure consistent reliability in the most challenging industrial environments.

 


Specifications

ParameterSpecification
Model SeriesML 2 (ML Series Available)
Material45# Steel / 40Cr / 42CrMo
StructureJaw/Spider (Plum Blossom)
Bore DiameterUp to 50 mm (Custom Available)
Rated Torque2000 N.m
Maximum Torque8200 N.m
Maximum Speed5000 rpm
Spider Hardness≥75 Shore A
Operating Temperature-30°C to +80°C
Surface TreatmentOxidation

 

Advantages

AdvantageDescription
Superior Vibration DampingEffectively absorbs torsional vibrations and shock loads
Excellent Misalignment CompensationAccommodates axial, radial, and angular shaft deviations
Maintenance-Free OperationNo lubrication required, reducing downtime and costs
Easy InstallationAxial plug-in design enables quick assembly without special tools
Chemical Corrosion ResistanceSuitable for harsh industrial environments
Electrical InsulationProvides electrical isolation between connected components
Versatile ApplicationWide compatibility across multiple industries and equipment types
Cost-Effective SolutionLong service life with minimal maintenance requirements

 

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