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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

1-25 of 100

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  • NKTM 1000x1000 .01

    NKTM 1000x1000 .01

    backdraught damper  
    Excl. Tax: €147 Incl. Tax: €178
    in 1-2 weeks
    Pipe: 1000x1000
  • NKTM 1000x1250 .01

    NKTM 1000x1250 .01

    backdraught damper  
    Excl. Tax: €181 Incl. Tax: €219
    in 1-2 weeks
    Pipe: 1000x1250
  • NKTM 1000x1400 .01

    NKTM 1000x1400 .01

    backdraught damper  
    Excl. Tax: €196 Incl. Tax: €237
    in 1-2 weeks
    Pipe: 1000x1400
  • NKTM 1000x200 .01

    NKTM 1000x200 .01

    backdraught damper  
    Excl. Tax: €67 Incl. Tax: €82
    in 1-2 weeks
    Pipe: 1000x200
  • NKTM 1000x250 .01

    NKTM 1000x250 .01

    backdraught damper  
    Excl. Tax: €73 Incl. Tax: €88
    in 1-2 weeks
    Pipe: 1000x250
  • NKTM 1000x315 .01

    NKTM 1000x315 .01

    backdraught damper  
    Excl. Tax: €81 Incl. Tax: €98
    in 1-2 weeks
    Pipe: 1000x315
  • NKTM 1000x400 .01

    NKTM 1000x400 .01

    backdraught damper  
    Excl. Tax: €88 Incl. Tax: €106
    in 1-2 weeks
    Pipe: 1000x400
  • NKTM 1000x500 .01

    NKTM 1000x500 .01

    backdraught damper  
    Excl. Tax: €97 Incl. Tax: €118
    in 1-2 weeks
    Pipe: 1000x500
  • NKTM 1000x630 .01

    NKTM 1000x630 .01

    backdraught damper  
    Excl. Tax: €111 Incl. Tax: €135
    in 1-2 weeks
    Pipe: 1000x630
  • NKTM 1000x800 .01

    NKTM 1000x800 .01

    backdraught damper  
    Excl. Tax: €127 Incl. Tax: €154
    in 1-2 weeks
    Pipe: 1000x800
  • NKTM 1250x1000 .01

    NKTM 1250x1000 .01

    backdraught damper  
    Excl. Tax: €164 Incl. Tax: €199
    in 1-2 weeks
    Pipe: 1250x1000
  • NKTM 1250x1250 .01

    NKTM 1250x1250 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1250x1250
  • NKTM 1250x1400 .01

    NKTM 1250x1400 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1250x1400
  • NKTM 1250x200 .01

    NKTM 1250x200 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1250x200
  • NKTM 1250x250 .01

    NKTM 1250x250 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1250x250
  • NKTM 1250x315 .01

    NKTM 1250x315 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1250x315
  • NKTM 1250x400 .01

    NKTM 1250x400 .01

    backdraught damper  
    Excl. Tax: €97 Incl. Tax: €117
    in 1-2 weeks
    Pipe: 1250x400
  • NKTM 1250x500 .01

    NKTM 1250x500 .01

    backdraught damper  
    Excl. Tax: €107 Incl. Tax: €130
    in 1-2 weeks
    Pipe: 1250x500
  • NKTM 1250x630 .01

    NKTM 1250x630 .01

    backdraught damper  
    Excl. Tax: €122 Incl. Tax: €148
    in 1-2 weeks
    Pipe: 1250x630
  • NKTM 1250x800 .01

    NKTM 1250x800 .01

    backdraught damper  
    Excl. Tax: €143 Incl. Tax: €173
    in 1-2 weeks
    Pipe: 1250x800
  • NKTM 1400x1000 .01

    NKTM 1400x1000 .01

    backdraught damper  
    Excl. Tax: €218 Incl. Tax: €264
    in 1-2 weeks
    Pipe: 1400x1000
  • NKTM 1400x1250 .01

    NKTM 1400x1250 .01

    backdraught damper  
    Excl. Tax: €260 Incl. Tax: €314
    in 1-2 weeks
    Pipe: 1400x1250
  • NKTM 1400x1400 .01

    NKTM 1400x1400 .01

    backdraught damper  
    Excl. Tax: €281 Incl. Tax: €340
    in 1-2 weeks
    Pipe: 1400x1400
  • NKTM 1400x200 .01

    NKTM 1400x200 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1400x200
  • NKTM 1400x250 .01

    NKTM 1400x250 .01

    backdraught damper  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 1400x250

Set Descending Direction

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