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  1. 800x800 (1)
  2. 800x315 (1)
  3. 800x630 (1)
  4. 1250x250 (1)
  5. 1400x250 (1)
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NKTM

 

NKTM

The NKTM pressure relief non-return dampers are used for automatic closing of HVAC ducts in case of fan shutdown. The NKTM pressure relief non-return dampers are designed either without rod (design .01) or with rod (design .01T). The NKTM non-return dampers prevent backflow of air in case of shutdown of a fan. The maximum flow speed is 12 m / s and the maximum overpressure in the damper is 1500 Pa.

The NKTM non-return dampers are designed for installation in HVAC ducting or for installation at its end. The pressure relief damper is designed for installation in vertical or horizontal ducts. If installed in horizontal ducts, the axis of damper blades must be horizontal. Damper bodies and blades are made of galvanized sheet metal without further surface treatment. Plain bearings are made of durable flame retardant nylon.

Set Descending Direction

26-50 of 100

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  • NKTM 1400x315 .01

    NKTM 1400x315 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1400x315
  • NKTM 1400x400 .01

    NKTM 1400x400 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1400x400
  • NKTM 1400x500 .01

    NKTM 1400x500 .01

    backdraught damper  
    Excl. Tax: €142 Incl. Tax: €172
    in 1-2 weeks
    Pipe: 1400x500
  • NKTM 1400x630 .01

    NKTM 1400x630 .01

    backdraught damper  
    Excl. Tax: €166 Incl. Tax: €200
    in 1-2 weeks
    Pipe: 1400x630
  • NKTM 1400x800 .01

    NKTM 1400x800 .01

    backdraught damper  
    Excl. Tax: €189 Incl. Tax: €229
    in 1-2 weeks
    Pipe: 1400x800
  • NKTM 200x1000 .01

    NKTM 200x1000 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 200x1000
  • NKTM 200x1250 .01

    NKTM 200x1250 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 200x1250
  • NKTM 200x1400 .01

    NKTM 200x1400 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 200x1400
  • NKTM 200x200 .01

    NKTM 200x200 .01

    backdraught damper  
    Excl. Tax: €40 Incl. Tax: €49
    in 1-2 weeks
    Pipe: 200x200
  • NKTM 200x250 .01

    NKTM 200x250 .01

    backdraught damper  
    Excl. Tax: €43 Incl. Tax: €52
    in 1-2 weeks
    Pipe: 200x250
  • NKTM 200x315 .01

    NKTM 200x315 .01

    backdraught damper  
    Excl. Tax: €48 Incl. Tax: €58
    in 1-2 weeks
    Pipe: 200x315
  • NKTM 200x400 .01

    NKTM 200x400 .01

    backdraught damper  
    Excl. Tax: €52 Incl. Tax: €63
    in 1-2 weeks
    Pipe: 200x400
  • NKTM 200x500 .01

    NKTM 200x500 .01

    backdraught damper  
    Excl. Tax: €59 Incl. Tax: €72
    in 1-2 weeks
    Pipe: 200x500
  • NKTM 200x630 .01

    NKTM 200x630 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 200x630
  • NKTM 200x800 .01

    NKTM 200x800 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 200x800
  • NKTM 250x1000 .01

    NKTM 250x1000 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 250x1000
  • NKTM 250x1250 .01

    NKTM 250x1250 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 250x1250
  • NKTM 250x1400 .01

    NKTM 250x1400 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 250x1400
  • NKTM 250x200 .01

    NKTM 250x200 .01

    backdraught damper  
    Excl. Tax: €42 Incl. Tax: €50
    in 1-2 weeks
    Pipe: 250x200
  • NKTM 250x250 .01

    NKTM 250x250 .01

    backdraught damper  
    Excl. Tax: €44 Incl. Tax: €53
    in 1-2 weeks
    Pipe: 250x250
  • NKTM 250x315 .01

    NKTM 250x315 .01

    backdraught damper  
    Excl. Tax: €49 Incl. Tax: €59
    in 1-2 weeks
    Pipe: 250x315
  • NKTM 250x400 .01

    NKTM 250x400 .01

    backdraught damper  
    Excl. Tax: €54 Incl. Tax: €65
    in 1-2 weeks
    Pipe: 250x400
  • NKTM 250x500 .01

    NKTM 250x500 .01

    backdraught damper  
    Excl. Tax: €61 Incl. Tax: €73
    in 1-2 weeks
    Pipe: 250x500
  • NKTM 250x630 .01

    NKTM 250x630 .01

    backdraught damper  
    Excl. Tax: €68 Incl. Tax: €83
    in 1-2 weeks
    Pipe: 250x630
  • NKTM 250x800 .01

    NKTM 250x800 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 250x800

Set Descending Direction

26-50 of 100

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