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    2.3.1. Louver Damper, airtight design LD-J

    Louver damper, type LD-J and type ND-J, will be used for controlling air flow and shutting off air ducts.

    Data

    Nominal dimensions (W/H) see table
    Max. temperature 90°C
    Adm. leakage rate damper housing class C acc. to DIN EN 1751
    Adm. leakage rate damper blades (lamellas) class 4 acc. to DIN EN 1751
    Frame Stainless steel or galvanised steel, 1.5 mm, by means of a screwed construction
    Actuator manual, eletrical, or pneumatic

     Nominal dimensions in mm

    B 1 400 500 600 700 800 900 1000 1200 1400 1600 1800 2000  ---
    H 1 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950

     1 All combinations of W and H dimensions possible, other dimensions also possible

     

    Features

    • The damper is designed to operate without any failure at an operating pressure of 1.1 time the admissible operating pressure
    • Warp-resistant hollow body lamellas made of aluminum (optional with coated or eloxiered aluminium)
    • Lamellas equipped with changeable silicone rubber Profile
    • Counter rotating lamellas by means of external positioned rod, parallel rotating lamellas available on request
    • Maintenance-free Operation 

    Service & Downloads

    Technical Selection - Airtight Louver Damper LD-J

    Tender Text - Airtight Louver Damper LD-J

    Your contact person

    Marco Sauder

    Deputy Head of Filter and Damper Systems

    T +49 241 441 285

    M +49 173 520 1543

    marco.sauder@krantz.de