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Jeremias® Exhaust Systems
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    2. Commercial Exhaust Systems
    3. Dampers
    4. Flue gas dampers

    MED-GA

    Motorized exhaust dampers

    MED-GA

    Motor actuated gas vent damper for overpressure applications with wet exhaust conditions (Category IV Appliances). Reduction of cycle venting losses through boilers and draft hoods.

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    Kachelbild Jeremias Abgasklappe

    A motor-controlled flue gas damper is suitable for installation in the exhaust systems for all standard appliances which are fired with oil or natural gas. During standstill periods of the appliance, the damper (flap) automatically closes the exhaust path preventing loss of heat. When the temperature controller needs heat, the electric motor automatically opens the shut-off flap before the burner starts and the program of the burner control unit is enabled.

    Product description

    Main features

    • All-stainless steel construction.
    • Heavy duty design.

    Applications

    • Pressure applications with wet exhaust conditions (Category IV Appliances)
    • Boilers
    • Draft hoods

    Technical specifications

    PurposeThe damper rod is externally turned by an actuator.
    The rod is connected to a damper blade that rotates to restrict exhaust flow.
    ConstructionAll stainless steel construction.
    0.08” thick (14 gauge) ASTM 316L stainless steel housing.
    0.08” thick (14 gauge) ASTM 316L stainless steel blade and stiffener.
    0.08” thick (14 gauge) ASTM 316L blade stop (no seal, metal to metal).
    0.87” thick Ø shaft with 0.63” square actuator connection.
    Mounting plate is a perfect match for Belimo GMX120-3
    Actuator (not included).
    Two (2) gas tight up to 5000 Pa (20” WC) graphite packing gaskets.
    Connection/Installation DetailsConnection System: 1.5” wide flange1.
    Positioning: horizontally or vertically – shaft must remain horizontal.

    1Standard System (any connecting means are possible, examples: KL, 0.5” rolled flange, etc.)
    ClassificationsTemperature class: T400 " 400°C (752°F)
    Pressure class: H1 5000 Pa (20” WC)
    Condensate durability: W dry/wet

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