VULKAN TECHNOLOGIES PVT. LTD. 
( An ISO 9001 - 2000 Company )


Product

General Data for : VULASTIK-L Coupling




Torque Range 0.4 kNm to 25 kNm Series
 Executions  Flange-Shaft   2800, 2810
 -  Shaft-Shaft  2830
 Applications  Bellhousing installation  2800
 -  Rigidly mounted engines  2800, 2830
 Options  With torsional limit device  2801, 2811
 Dual execution  2810, 2830
 With  2810
 Elements  Rubber - linear characteristics  -
 Silicone - progressive Stiffness  -


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Executions

Series 2800 Series 2801 Series 2810 Series 2811 Series 2830
 For connecting a SAE 
 flywheel J 620 to a shaft
 For connecting a SAE 
 flywheel J 620 to a shaft
 For connecting a SAE 
 flywheel J 620 to a shaft
 For connecting a SAE 
 flywheel J 620 to a shaft
 For the connection of two shafts


General Data for: VULASTIK-L Series 2800

 Torque Range  0.4 kNm to 20.0 kNm
 Executions  Flange - Shaft 
 Connections  Customized flywheel-bearing acc. to SAE J 620
   Customized hub
 Applications  Bell housing installation
 Options  With torsional limit device (Series 2801)
 In connection with Integral Shaft Support
 Elements  Rubber - linear characteristics
 Silicone - progressive characteristics

Features
  • VULASTIK-L in single and dual design (2 elements parallel)
  • linear torsional stiffness characteristic, i. e. constant natural frequency independent from load
  • compensation of radial, axial and angular misalignments
  • time and cost savings due to easy installation by using "plug-in" teeth between flange housing and elements
  • commercially attractive design using only three components (elements, flange housing, hub)
  • short installation length by using a hub located inside the coupling

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General Data for: VULASTIK-L Series 2801

 Torque Range  0.4 kNm to 20.0 kNm
 Executions  Flange - Shaft 
 Connections  Flywheel-bearing acc. to SAE J 620
   Customized hub
 Applications  Bell housing installation
 Options  With torsional limit device (Series 2800)
 In connection with Integral Shaft Support
   Rubber - linear characteristics
 Silicone - progressive characteristics

Features
  • VULASTIK-L in single and dual design (2 elements parallel)
  • linear torsional stiffness characteristic, i. e. constant natural frequency independent from load
  • compensation of radial, axial and angular misalignments
  • time and cost savings due to easy installation by using "plug-in" teeth between flange housing and elements
  • commercially attractive design using only three components (elements, flange housing, hub)
  • short installation length by using a hub located inside the coupling

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General Data for: VULASTIK-L Series 2810

 Torque Range  1.6 kNm to 20.0 kNm
 Executions  Flange - Shaft 
 Connections  Flywheel-bearing acc. to SAE J 620
   Customized hub
 Applications  Rigid mounted engines
 Options  With torsional limit device (Series 2811)
 Dual execution up to 25.0 kNm
   Silicone - progressive characteristics

Features
  • VULASTIK-L in single and dual design (2 elements parallel)
  • linear torsional stiffness characteristic, i. e. constant natural frequency independent from load
  • compensation of radial, axial and angular misalignments
  • time and cost savings due to easy installation by using "plug-in" teeth between flange housing and elements
  • commercially attractive design using only three components (elements, flange housing, hub)
  • short installation length by using a hub located inside the coupling

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General Data for: VULASTIK-L Series 2811

 Torque Range  1.6 kNm to 20.0 kNm
 Executions  Flange - Shaft 
 Connections  Flywheel-bearing acc. to SAE J 620
   Customized hub
 Applications  Rigidly mounted engines
 Options  With torsional limit device (Series 2810)
 Dual execution up to 25.0 kNm
   Rubber - linear characteristics
 Silicone - progressive characteristics

Features
  • VULASTIK-L in single and dual design (2 elements parallel)
  • linear torsional stiffness characteristic, i. e. constant natural frequency independent from load
  • compensation of radial, axial and angular misalignments
  • time and cost savings due to easy installation by using "plug-in" teeth between flange housing and elements
  • commercially attractive design using only three components (elements, flange housing, hub)
  • short installation length by using a hub located inside the coupling

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General Data for: VULASTIK-L Series 2830

 Torque Range  1.6 kNm to 20.0 kNm
 Executions  Flange - Shaft 
 Connections  Customized hub
 Applications  Rigidly mounted engines
 Options  
 Elements  Rubber - linear characteristics
   Silicone - progressive characteristics

Features
  • VULASTIK-L in single and dual design (2 elements parallel)
  • linear torsional stiffness characteristic, i. e. constant natural frequency independent from load
  • compensation of radial, axial and angular misalignments
  • time and cost savings due to easy installation by using "plug-in" teeth between flange housing and elements
  • commercially attractive design using only three components (elements, flange housing, hub)
  • short installation length by using a hub located inside the coupling

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Description

The VULASTIK-L coupling is a torsionally flexible rubber coupling, that compensates axial, angular and, to a certain degree, radial displacement of the connected machines. Four rubber qualities and silicone are available in order to tune the coupling to the various system requirements. VULASTIK-L couplings are available with one elastic element in standard design or with two elements acting in parallel in Dual design. The main parts of the VULASTIK-L coupling are hub and flanged casing, between these, the disc-shaped element is arranged. This disc element is connected by vulcanization at its inner radius, the outer radius is connected to the flanged casing by a "plug-in" toothing. This toothing provides the axial "plug-in" feature and compensation of shaft displacements. The permissible angular coupling displacement is 0.5°. The VULASTIK-L elements are made from heat-resistant rubber, the admissible ambient temperatures range from -45°C to +90°C. Alternative elements in silicone are available (ambient temperatures range from -45°C to +120°C). With respect to a long lifetime, however, consideration should be given to sufficiently large ventilation cross sections. This is very important when considering bellhousing.


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