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Explosion Isolation Flap Valve CARZ

Explosion Isolation Flap Valve CARZ – protective system for combustible dust applications

Explosion Isolation Flap Valve type CARZ prevents a transmission of explosion pressure wave and flames front from the filter to your workplace. By using our CARZ Explosion Isolation Flap Valve, you reduce the risk from dust explosion for both people and equipment.

Function

During normal operation, the valve is kept open, and large opening angle ensure low pressure drop. In case of an explosion in the filter, the pressure wave will force to close the flap plate and lock in position. When flap plate is closed it makes an effective barrier against approaching flame front. This prevent the explosion from being transmitted from the filter to upstream work areas.

No matter what industry you are in or what type of dust is generated in your factory, we can provide the complete dust explosion protection solution of filters, and explosion isolation flap valves.

  • Independently tested according to current standards and regulations
  • Compliant with most international dust explosion protection codes (ATEX and NFPA68)
  • Widest range of sizes, applications and filter system configurations on the market (incl. approval for positive and negative pressure systems)
  • Manufactured fully by Nederman under certified quality assurance system, ensuring highest level of quality and reliability

Datos técnicos
Certifications CE, EX
Material Welded carbon steel, painted RAL5009
Operating temperature range -20°C - +70°C (Min 0 F Max 160 F)
Ambient temperature range -20°C - +60°C (Min 0 F Max 140 F)
Connection FL
Dust type Organic
    CARZ US (16'') 400 Explosion Isolation Flap Valve FL, Ex D St1

    ArtNo: 73001272

    Diameter (mm)
    400
    Length (m)
    735
    Max explosion pressure (bar)
    0,9
    Weight (kg)
    57
    CARZ 160 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008243

    Diameter (mm)
    160
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    Any
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,4
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,4
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45
    CARZ 180 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008244

    Diameter (mm)
    180
    Note
    LEL = Lower Explosion Limit = MEC Minimum Explosion Concentration
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    < LEL
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,9
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,9
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45
    CARZ 200 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008245

    Diameter (mm)
    200
    Note
    LEL = Lower Explosion Limit = MEC Minimum Explosion Concentration
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    < LEL
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,9
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,9
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45
    CARZ 250 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008238

    Diameter (mm)
    250
    Note
    LEL = Lower Explosion Limit = MEC Minimum Explosion Concentration
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    < LEL
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,9
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,9
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45
    CARZ 315 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008239

    Diameter (mm)
    315
    Note
    LEL = Lower Explosion Limit = MEC Minimum Explosion Concentration
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    < LEL
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,9
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,9
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45
    CARZ 350 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008240

    Diameter (mm)
    350
    Note
    LEL = Lower Explosion Limit = MEC Minimum Explosion Concentration
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    < LEL
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,9
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,9
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45
    CARZ 400 Explosion Isolation Flap Valve FL, Ex D St1, with flap lock sensor

    ArtNo: 73008241

    Diameter (mm)
    400
    Note
    LEL = Lower Explosion Limit = MEC Minimum Explosion Concentration
    Explosion Class ATEX
    St1
    Dust Concentration in duct
    < LEL
    Max velocity in duct (m/s)
    30
    Minimum velocity in duct
    0
    Minimum vessel size, push (m3)
    0,9
    Install type
    Push and Pull
    Minimum vessel size, pull (m3)
    0,9
    Kst (bar m/s)
    200
    Maximum reduced pressurem, Pred (bar)
    0,45

Accesorios para este producto 1

CARZ Locking Sensor set
ArtNo: 73001236

CARZ Locking Sensor set