Multileaf dampers

layer

JZ

 


Rectangular multileaf dampers for volume flow and pressure control as well as for shutting off ducts and openings in walls and ceiling slabs


  • Maximum dimensions 2000 × 1995 mm
  • Casing air leakage to EN 1751, class C
  • Aerofoil parallel or opposed action blades
  • Blades interconnected by external linkage (for parallel or opposed blade action)
  • Available in standard sizes and many intermediate sizes
  • Can be combined with external weather louvres

 


Optional equipment and accessories


  • Actuators: Open/close actuators, modulating actuators
  • Explosion-proof construction with pneumatic actuator or spring return actuator
  • Powder-coated construction

 

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layer

VCD

The TROX Type VCDNCPNCE damper is a multi-leaf volume control designed for the purpose of controlling air flow and pressure in low and medium pressure HVAC systems.


The standard VCD damper construction comes with parallel blade arrangement with face linkage. However, external linkage with either parallel or opposed blade arrangement is also available as alternatives.

The damper blades are formed single skin construction with grooved blade tips to provide an interlocking blade closure. Side seals and blade tip seals as per Seal Variant 'C2' can be provided if required for maintaining a low closed blade leakage rating to Class 11 of UL 555S Standard. Refer to page 9 of this catalogue for more information.

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Our department for Service-Requests will contact you asap.
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Tel.: +60 6 678 8188 | Fax: +60 6 678 8288 (388)