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   » Products » Motors 4" » ZDS Oil-Cooled Motors
  
  
  
  
  
  
  
  
  
  
  

 

Quality in the Well
ZDS submersible motors, cooled by special food grade lubricant, suitable for 4” wells or larger. All motors are manufactured to ISO 9001 standards. As of 2010, all ZDS single-phase motors come with built-in thermal protection which stops the motor if overheated. If the motor gets too warm or is not being cooled appropriately (usually because it is buried in mud or sand), the thermal protection system will automatically stop the motor to prevent the pump from burning out. To our knowledge, ZDS is the only 4” submersible motor manufacturer to include this unique protection in all motors.

 

• Rewindable stator

• High starting torque

• Stainless steel motor casing

• Ball bearings for axial and radial thrust

• Shaft projection and coupling dimensions to 4’’ NEMA standards

• Corrosion resistant materials

• Maximum starts/stops per hour equally distribuited: 150

• Maximum immersion depth for O2 and O3 is 150 m

• Protection: IP 68

• Insulation class: F

• Maximum ambient temperature: 40°C

• Mechanical seal

• Maximum supply voltage variations: +6% / -10%

• A flow of min. 8 cm/s of water must be guaranteed around the casing.

• Mounting: Vertical or Horizontal position

• 100% of motors are tested

 

      

 

ZDS srl - Via Provinciale 52a - 45030 Gaiba - Italy - Company Registration Number: RO - 145274 - Tel: +390425710600 - Email: info@zdsgroup.com
Partita IVA (VAT nr.) IT04141260283 - Capitale Sociale €100,000