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Double butterfly valve VK21- Ø  63mm +servo motor 24 vac 

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Double butterfly valve VK21- Ø  63mm +servo motor 24 vac 

Item no. 070305115
 
Your request will be handled by the responsible account manager for your region. On working days we will contact you within 24 hours. 

Description

Double butterfly valve VK21 Ø 63mm + 24vac 90 seconds

The Envalve butterfly valves are designed to serve as a valve or as a shut off valve. With an electric drive they can be remotely controlled. The butterfly valves are made of PVC and have an EPDM cuff, which makes them resistant to many aggressive materials. The valves are also available with a VITON® cuff.

With electric or pneumatic drives, they can be controlled remotely. In order to operate this valve, the valve shaft is coupled to an electric drive engine. This drive engine has a power supply of 24VAC. On request, drive engines with a voltage of 230 volt can also be supplied. The drive engine can turn to two sides and is controlled by the power supply phase.

By changing the phase, the valve is running respectivaly open or closed. The valve's end position is limited by two built-in limit switches. The drive engines are bistable, which means that when the valve rotates to a certain position, the valve remains in that position when the power supply is interrupted. A position indicator on the drive motor indicates whether the valve has a large or small pass. The engine has a release button, which allows the drive to be disconnected and the valve can be set to a certain positition during the control panel. The butterfly valves feature flanges and collar bushes. The cuff also serves as a gasket.

Benefits of the butterfly valve

  • Large flow-through capacity
  • Low pressure loss
  • Flow direction to both sides
  • Small installation size
  • Few parts
  • Emergency hand control on the valve
  • Execution with 75 mm flanges (DN75) up to 200 mm (DN200)
  • Built-in VK21-160, For this purpose hearth on hearth option of 460 mm is the same as the VK21-200
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