7.1. Circular volume flow controller VRI-DN

For both constant and variable air volume flow rates. Circular volume flow controller with built-in electronic control system for installation in supply and return air ducts of HVAC systems.

Data

Volume flow rate range up to 2 544 l/s [9 160 m3/h]
Size DN 100 – DN 450

Features

  • Compact design with measuring cross, compact controller and damper blade
  • Compact controller from Belimo with measurement recording device, volume flow sensor and actuator
  • Connection to ducts to EN 1506 and EN 13180 as well as flange connection to EN 12220
  • Airtight damper blade to EN 1751
  • Optionally available with external insulating shell
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