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Vibration isolators for equipment & machinery

Vibration isolators spring type SD-BL and DSD-BL

Manufacturer: Getzner Spring Solutions

wibroizolator blokowy SD-DSD-BL Getzner 

The Isotop® SD-BL and Isotop® DSD-BL block vibration isolators are designed for hight loads.


Block vibration isolators Isotop® SD-BL and Isotop® DSD-BL consist of two steel plates with spring elements (vibro-isolators) installed between them (series SD 7/KTL to SD 9/KTL and series DSD 6 to DSD 9). There are 2, 4, 6 and 9 element blocks. The number of spring elements depends on the load. Special versions are also available on request. Top plate and base plate fitted with 6 mm Sylomer® anti-slip plate .
Block vibro-isolators are highly resistsnt to corrosion, as the spring elements are protected by cataphoretic painting (CDC), and the plates by powder coating. 

The Isotop® SD-BL block vibration isolators have a natural frequency from 3,4 Hz, and Isotop® DSD-BL from 4,6 Hz.
They are used for fixing equipment to the foundation: 

  • Compressors,
  • Ventilators,
  • Air conditioners,
  • Speakers,
  • Sensitive electronics,
  • Measurement instruments and scales,
  • Control cabinets,
  • Pumps,
  • Textile machinery,
  • Emergency power generators,
  • Other machines and devices, especially ones with low vibration frequency.
    DSD-BL are especially recommended for machines with frequent starts and stops.

 Information necessary for product selection 

  • Weight of the machine/device, 
  • Number and positioning of the fulcrums, 
  • Positioning of the centre of mass,
  • Dimensions of the machine/device,
  • Lowest vibration frequency (No. of rotations of cycles).


  • Low height,
  • Low natural frequency, 
  • Interchange ability due to the same size and threaded connections,
  • The open design of the isolator allows to easy check the springs without the need to disassemble.
  • Durable and compact design.

Our services

Please use our experience and knowledge and send us your inquiries. We will be happy to provide you with the information you need, carry out the necessary calculations and select the right vibration-isolators for the given equipment.

Selection table SD-BL 

Type Recommended
load range (kG)
Natural frequency
at max. load (Hz)
 Isotop® SD-BL2-71/81 300÷690 3,4
 Isotop® SD-BL2-82/90     365÷840   
 Isotop® SD-BL2-80/92 455÷1050
 Isotop® SD-BL4-84/90 725÷1680
 Isotop® SD-BL4-82/92 815÷1890
 Isotop® SD-BL4- 80/94 905÷2100
 Isotop® SD-BL6-84/92 1180÷2730
 Isotop® SD-BL9-80/99 2040÷4730


 Selection table DSD-BL

Type Recommended
load range (kG)
Natural frequency
at max. load (Hz)
 Isotop® DSD-BL2-62/70 155÷400 4,3
 Isotop® DSD-BL2-72/80     250÷730    5,2
 Isotop® DSD-BL2-82/90 390÷940 4,7
 Isotop® DSD-BL2-81/91 430÷1120 4,7
 Isotop® DSD-BL4-72/82 620÷1560 4,8
 Isotop® DSD-BL4-84/90 760÷1880 4,7
 Isotop® DSD-BL4-82/92 860÷2240 4,7
 Isotop® DSD-BL4-80/94 960÷2600 4,6
 Isotop® DSD-BL6-86/90 1120÷2820 4,7
 Isotop® DSD-BL6-80/96 1420÷3900 4,6
 Isotop® DSD-BL9-80/99 2130÷5850 4,6

When ordering, you need to provide the full designation of the vibro-isolator, e.g.:
block vibration isolator SD-BL4-82/92

 wibroizolator blokowy SD-DSD-BL Getznerwibroizolator blokowy SD-DSD-BL Getznerwibroizolator blokowy SD-DSD-BL Getznerwibroizolator blokowy SD-DSD-BL Getzner







Note: Despite our greatest efforts, we cannot guarantee that the information published on this site is free of errors. Errors in the product descriptions cannot be the basis for any claims. Should you have any doubts, please contact our sales department, before deciding to purchase the product.
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