MEMDOS LB

MEMDOS LB

Riding on the crest of the waves

In a Nutshell

  • Capacity range 4 - 1020 l/h, up to 16 bar
  • Power supply 115 V, 230 V or 400 V
  • Material finishes PVC, PP, PVDF and stainless steel
  • Infinitely variable stroke length from 0 - 100 %
  • A variety of three-phase and alternating current motors
  • ATEX versions are available for Zones 1 and 2
  • Also suitable for frequency converter operation
  • Double-diaphragm system (optional)
  • Automatic stroke length adjustment (optional)

 

Technical Details

MEMDOS LB     4 4-HP 10 10-HP 20 20-HP 35 60 80 150
Delivery capacity at max. back pressure 50 Hz l/h   4 8.4 14 24 22 36 63 90 156
60 Hz   4.8 10.1 16.8 28.8 26.4 43.2 75.6 108 187.2
Max. delivery pressure bar   12 16 12 16 12 16 10 5
Nominal stroke frequency 50 Hz RPM   26 72 120 72 120 72 120
60 Hz   31.2 86.4 144 86.4 144 86.4 144
Suction lift for
non-gassing media
mWS   9 8 7
Max. supply pressure mbar   500
Diameter of diaphragm mm   52 64 90
Valve size     DN4 DN6 DN10
Voltage supply     230 / 400 V (optional 115 V)
Protection class     IP55
Insulation class     F
Material     PP, PVC, PVDF, 1.4571
Weight* PP kg   8 8 9.5
PVC   8 8 9.5
PVDF   8 8 9.5
Stainless steel (1.4571)   9.5 9.5 15.5
Permitted ambient temperature °C   5 – 45 (5 – 40 with PVC parts)
Permitted media temperature °C   80 (with PVC parts 35, with PP parts 60)

 

MEMDOS LB     110 160 210 260 310 400 510 760 1010
Delivery capacity at max. back pressure 50 Hz l/h   114 144 210 264 294 390 504 744 1020
60 Hz   136.8 172.8 252 316.8 352.8 468 604.8 892.8 1224
Max. delivery pressure bar   10 8 6 4 3
Nominal stroke frequency 50 Hz RPM   96 120 96 120 96 120 53 76 107
60 Hz   115.2 144 115.2 144 115.2 144 63.6 91.2 128.4
Suction lift for
non-gassing media
mWS   7 6 4.5 1
Max. supply pressure mbar   500
Diameter of diaphragm mm   90 120 150 185  
Valve size     DN10 DN15 DN25
Voltage supply     230 / 400 V (optional 115 V)
Protection class     IP55
Insulation class     F
Material     PP, PVC, PVDF, 1.4571
Weight* PP kg   15 16 20 23.5
PVC   15 16 20 23.5
PVDF   15 16 20 23.5
Stainless steel (1.4571)   20 23 31 45.5
Permitted ambient temperature °C   5 – 45 (5 – 40 with PVC parts)
Permitted media temperature °C   80 (with PVC parts 35, with PP parts 60)

*) Weights can vary slightly depending on the motors; these figures represent average values.

 

Download

 

 

BA: Operation instruction
PI: Product information


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Email. info@wiya-system.com

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