Back Pressure Flaps

Back pressure flaps for installation in LBR hopper

Welded construction in Nederman blue painted steel plate with strong rubber seal. Type QF is mounted with galvanised QF nipple complete with galvanised flange. Concerning dimensions of QF edges, flanges etc. we refer to the data sheets for QF duct systems and flange duct systems, respectively.

    Back Pressure Flap QF Ø 200 For Bottom Inlet, Vertical

    ArtNo: 7943931

    Diámetro (mm)
    200
    Connection
    QF
    Back Pressure Flap QF Ø 250 For Bottom Inlet, Vertical (inner part + extension)

    ArtNo: 7943932

    Diámetro (mm)
    250
    Connection
    QF
    Back Pressure Flap QF Ø 315 For Bottom Inlet, Vertical

    ArtNo: 7943933

    Diámetro (mm)
    315
    Connection
    QF
    Back Pressure Flap QF Ø 350 For Bottom Inlet, Vertical

    ArtNo: 7943934

    Diámetro (mm)
    350
    Connection
    QF
    Back Pressure Flap QF Ø 400 For Bottom Inlet, Vertical

    ArtNo: 7943935

    Diámetro (mm)
    400
    Connection
    QF
    Back Pressure Flap QF Ø 450 For Bottom Inlet, Vertical

    ArtNo: 7943936

    Diámetro (mm)
    450
    Connection
    QF
    Back Pressure Flap QF Ø 500 For Bottom Inlet, Vertical (internal part + extension)

    ArtNo: 7943937

    Diámetro (mm)
    500
    Connection
    QF
    Back Pressure Flap QF Ø 560 For Bottom Inlet, Vertical

    ArtNo: 7943938

    Diámetro (mm)
    560
    Connection
    QF
    Back Pressure Flap QF Ø 630 For Bottom Inlet, Vertical (inner part + extension)

    ArtNo: 7943939

    Diámetro (mm)
    630
    Connection
    QF
    Back Pressure Flap FL Ø 200 For Bottom Inlet, Vertical

    ArtNo: 7943940

    Diámetro (mm)
    200
    Connection
    FL
    Back Pressure Flap FL Ø 250 For Bottom Inlet, Vertical

    ArtNo: 7943941

    Diámetro (mm)
    250
    Connection
    FL
    Back Pressure Flap FL Ø 315 For Bottom Inlet, Vertical

    ArtNo: 7943942

    Diámetro (mm)
    315
    Connection
    FL
    Back Pressure Flap FL Ø 350 For Bottom Inlet Vertical

    ArtNo: 7943943

    Diámetro (mm)
    350
    Connection
    FL
    Back Pressure Flap FL Ø 400 For Bottom Inlet Vertical

    ArtNo: 7943944

    Diámetro (mm)
    400
    Connection
    FL
    Back Pressure Flap FL Ø 450 For Bottom Inlet Vertical

    ArtNo: 7943945

    Diámetro (mm)
    450
    Connection
    FL
    Back Pressure Flap FL Ø 500 For Bottom Inlet Vertical

    ArtNo: 7943946

    Diámetro (mm)
    500
    Connection
    FL
    Back Pressure Flap FL Ø 560 For Bottom Inlet Vertical

    ArtNo: 7943947

    Diámetro (mm)
    560
    Connection
    FL
    Back Pressure Flap FL Ø 630 For Bottom Inlet Vertical

    ArtNo: 7943948

    Diámetro (mm)
    630
    Connection
    FL
    Back Pressure Flap FL Ø 710 For Bottom Inlet Vertical

    ArtNo: 7943949

    Diámetro (mm)
    710
    Connection
    FL
    Back pressure flap SP ø200 for hopper inlet vertical, in endpanel

    ArtNo: 5502898

    Diámetro (mm)
    200
    Connection
    Spiro
    Back pressure flap SP ø250 for hopper inlet vertical, in endpanel

    ArtNo: 5502899

    Diámetro (mm)
    250
    Connection
    Spiro
    Back pressure flap SP ø350 for hopper inlet vertical, in endpanel

    ArtNo: 5502901

    Diámetro (mm)
    350
    Connection
    Spiro
    Back pressure flap SP ø400 for hopper inlet vertical, in endpanel

    ArtNo: 5502902

    Diámetro (mm)
    400
    Connection
    Spiro
    Back pressure flap SP ø450 for hopper inlet vertical, in endpanel

    ArtNo: 5502903

    Diámetro (mm)
    450
    Connection
    Spiro
    Back pressure flap SP ø500 for hopper inlet vertical, in endpanel

    ArtNo: 5502904

    Diámetro (mm)
    500
    Connection
    Spiro
    Back pressure flap SP ø560 for hopper inlet vertical, in endpanel

    ArtNo: 5502905

    Diámetro (mm)
    560
    Connection
    Spiro