How to choose suitable vibration isolators for backup power generators and cogeneration plants?

The characteristics:

  • Weight: heavy – very heavy
  • Disturbing frequency: low – medium
  • Mounting: standing

Find below our tables of Damping efficiency upon disturbing frequency

vibration isolators for backup power generators and cogeneration plants

Walraven VibraTek® selection matrix:

  • 2800403000

    Walraven VibraTek® MS-1X Spring Mount

    • recommended for equipment with low working speeds, from 600 RPM and above
    • epoxy powder-coated base, caps and springs provide increased resistance to corrosion
    • flexible internal filler prevents debris and solid elements entering and damaging the spring under load

    For more information

  • 2801901000

    Walraven VibraTek® MS-1X-CBL Spring Mount

    • recommended for machinery with low working speeds above 600 RPM
    • epoxy powder-coated base, caps and springs provide increased resistance to corrosion
    • flexible internal filler prevents debris and solid elements entering and damaging the spring under load

    For more information

  • 2802010000

    Walraven VibraTek® MS-2X Spring Mount

    • recommended for equipment with low working speeds, from 600 RPM and above
    • epoxy powder-coated base, caps and springs provide increased resistance to corrosion
    • flexible internal filler prevents debris and solid elements entering and damaging the spring under load

    For more information

  • 2800504000

    Walraven VibraTek® MS-4 Spring Mount

    • recommended for equipment with low working speeds, from 600 RPM and above
    • epoxy powder-coated base, caps and springs provide increased resistance to corrosion
    • flexible internal filler prevents debris and solid elements entering and damaging the spring under load

    For more information

Damping efficiency upon disturbing frequency

Damping performance description

 

V[%] Damping performance description
99% excellent high requirements medium requirements regular requirements
93% perfect
88% very good
81% good
67% sufficient
20% mediocre low improvement or negative impact – contact Walraven Technical Support for alternative solution
0% nochange
resonance better without insulation

Walraven VibraTek® MS-1

Walraven VibraTek® MS-1
Damping efficiency upon disturbing frequency
Article no.: load on vibroisolator deflection RPM 500 800 1000 1200 1500 2000 2500
[N] [~kg] [mm] Hz 8,3 13,3 16,7 20,0 25,0 33,3 41,7
2800300050 25 2,5 11,5 54,6% 86,1% 91,5% 94,3% 96,4% 98,0% 98,7%
50 5 23,0 81,5% 93,5% 95,9% >97,2% 98,2% 99,0% 99,4%
2800300150 100 10 15,3 69,4% 89,9% 93,8% 95,8% 97,3% 98,5% 99,1%
150 15 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800300250 200 20 18,4 75,8% 91,7% 94,9% 96,5% 97,8% 98,8% 99,2%
250 25 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800300500 300 30 13,8 64,8% 88,7% 93,0% 95,3% 97,0% 98,3% 98,9%
400 40 18,4 75,8% 91,7% 94,9% 96,5% 97,8% 98,8% 99,2%
500 50 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800300750 600 60 18,4 75,8% 91,7% 94,9% 96,5% 97,8% 98,8% 99,2%
750 75 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800301000 800 80 18,4 75,8% 91,7% 94,9% 96,5% 97,8% 98,8% 99,2%
900 90 20,7 79,0% 92,7% 95,5% 96,9% 98,0% 98,9% 99,3%
1000 100 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%

Walraven VibraTek® MS-1X

Walraven VibraTek® MS-1X
Damping efficiency upon disturbing frequency
Article no.: load on vibroisolator deflection RPM 500 800 1000 1200 1500 2000 2500
[N] [~kg] [mm] Hz 8,3 13,3 16,7 20,0 25,0 33,3 41,7
2800401250 1100 110 22,0 80,5% 93,2% 95,7% 97,1% 98,2% 99,0% 99,3%
1500 125 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2800401500 1400 140 23,3 81,8% 93,6% 96,0% 97,3% 98,3% 99,0% 99,4%
1500 150 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2800402000 1750 175 21,9 80,4% 93,1% 95,7% 97,1% 98,1% 99,0% 99,3%
2000 200 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2800403000 2200 220 18,3 75,6% 91,7% 94,9% 96,5% 97,8% 98,8% 99,2%
2600 260 21,7 80,1% 93,1% 95,7% 97,0% 98,1% 99,0% 99,3%
3000 300 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2800404000 3500 350 21,9 80,4% 93,1% 95,7% 97,1% 98,1% 99,0% 99,3%
4000 400 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2800405000 4300 430 21,5 80,0% 93,0% 95,6% 97,0% 98,1% 98,9% 99,3%
4600 460 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
5000 500 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2800406000 5300 530 22,1 80,6% 93,2% 95,8% 97,1% 98,2% 99,0% 99,3%
5600 560 23,3 81,8% 93,6% 96,0% 97,3% 98,3% 99,0% 99,4%
6000 600 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%

Walraven VibraTek® MS-2X

Walraven VibraTek® MS-2X Damping efficiency upon disturbing frequency
Article no.: load on vibroisolator deflection RPM 500 800 1000 1200 1500 2000 2500
[N] [~kg] [mm] Hz 8,3 13,3 16,7 20,0 25,0 33,3 41,7
2802003000 2000 200 16,7 72,5% 90,8% 94,3% 96,1% 97,5% 98,6% 99,1%
3000 300 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2802004000 3500 350 21,9 80,4% 93,1% 95,7% 97,1% 98,1% 99,0% 99,3%
4000 400 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2802006000 5000 500 20,8 79,2% 92,8% 95,5% 96,9% 98,0% 98,9% 99,3%
6000 600 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2802008000 7000 700 21,9 80,4% 93,1% 95,7% 97,1% 98,1% 99,0% 99,3%
7500 750 23,4 81,9% 93,6% 96,0% 97,3% 98,3% 99,0% 99,4%
8000 800 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2802010000 9000 900 22,5 81,0% 93,4% 95,8% 97,2% 98,2% 99,0% 99,4%
10000 1000 25,0 83,2% 94,1% 96,3% 97,4% 98,4% 99,1% 99,4%
2802012000 11000 1100 22,9 81,4% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
11500 1150 24,0 82,4% 93,8% 96,1% 97,3% 98,3%

Walraven VibraTek® MS-4

Walraven VibraTek® MS-4 Damping efficiency upon disturbing frequency
Article no.: load on vibroisolator deflection RPM 500 800 1000 1200 1500 2000 2500
[N] [~kg] [mm] Hz 8,3 13,3 16,7 20,0 25,0 33,3 41,7
2800501000 800 80 18,4 75,8% 91,7% 94,9% 96,5% 97,8% 98,8% 99,2%
1000 100 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800501500 1250 125 19,2 77,0% 92,1% 95,1% 96,6% 97,9% 98,8% 99,2%
1500 150 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800502000 1750 175 20,1 78,3% 92,5% 95,3% 96,8% 98,0% 98,9% 99,3%
2000 200 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800503000 2250 225 17,3 73,7% 91,2% 94,5% 96,3% 97,6% 98,7% 99,2%
2750 275 21,1 79,5% 92,9% 95,6% 97,0% 98,1% 98,9% 99,3%
3000 300 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800504000 3500 350 20,1 78,3% 92,5% 95,3% 96,8% 98,0% 98,9% 99,3%
4000 400 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%
2800505000 4250 425 19,6 77,5% 92,3% 95,2% 96,7% 97,9% 98,8% 99,3%
4750 475 21,9 80,3% 93,1% 95,7% 97,1% 98,1% 99,0% 99,3%
5000 500 23,0 81,5% 93,5% 95,9% 97,2% 98,2% 99,0% 99,4%

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