Adix- NEW NoVex. Explosion isolation flap valves EN 16447
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Explosion Isolation Flap Valve 

NOVEx

The Explosion Isolation Flap Valve remains normally open during normal flow. In case of explosion, the excess pressure is produced. This excess pressure closes the flap, isolating and protecting the rest of the equipment.

TECHNICAL FEATURES

Normally Open

Sizes DN71 to DN1000 (Bolted flanges DIN24154)

Max. Pred admissible: 0,5 bar

2 barg for DN≤500 mm

1 barg for 500<DN≤1000 mm

Max. range of dust concentration in the duct <500 g/m3

For flammable Dust up to St2

Casing built in: Carbon Steel or Stainless Steel

ADVANTAGE

Flap system.

Normally open operation.

Max. pressure drop up to 80% less than Normally Closed flap valves.

Sizes: from DN 71mm to DN 1000mm

( DIN 24154).

Kst dust up to St2  Dust type IIIC

Casing built in carbon steel or stainless steel.

Max. range of dust concentration in the duct: 500 g/m³.

No minimum flow needed to keep it open.

Very strong construction: Max. Pred of the vessel where explosion is originated:

    • DN≤500 mm: 2 barg
    • DN>500 mm: 1 barg

ATEX Certified -LOM11ATEX7047X-

NFPA 69-2014 Compliant

Variable installation distance:

    • DN ≤ 500mm: between 3 y 10 m.
    • DN > 500mm: between 5 y 13 m.
    • Possibility of two 90º bends
  • No min. distance between valve and bends

Wide Flap Openning up to  60º.

OPTIONALS

  • Flap Position detector
  • Dust layers detector
  • Differential pressure control
  • Automatic cleaning system
  • Antiwear detector
  • Antiwear protection layer on the flap

MARKING

Ex D

CERTIFICATIONS

ATEX – LOM11 ATEX7047X conforme a EN 16447:2014 

Compatibility with NFPA 69-2014

Model DN (mm) External Dimensions AxBxC (mm)
NOVEx071 71 440x349x265
NOVEx100 100 469x386x294
NOVEx200 200 569x478x394
NOVEx300 300 669x650x536
NOVEx400 400 769x787x640
NOVEx500 500 869x887x740
NOVEx600 600 969x1040x889
NOVEx710 710 1079x1155x1005
NOVEx800 800 1169x1245x1095
NOVEx900 900 1269x1345x1195
NOVEx1000 1000 1369x1445x1295

For other sizes and/or working conditions please consult us

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