Hammond Manufacturing

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Breather Kits


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  • Large Rainproof Ventilator

    • Designed to equalize internal / external pressure and temperature
    • Ventilators assist in condensation prevention by allowing enclosures to breathe
    • Suitable for most types of metallic and non-metallic enclosures
    • Molded in corrosion resistant thermal set plastic, finish RAL7035 Light Gray
    • Gasket protection to enclosure wall
    • Mount to enclosure wall thickness up to .14" with standard screws
    • Internal vent channel & grille reduces insect intrusion
    • Package quantity 2
    • Part No. SDV280

  • Small Rainproof Ventilator

    • Designed to equalize internal / external pressure and temperature
    • Ventilators assist in condensation prevention by allowing enclosures to breathe
    • Suitable for most types of metallic and non-metallic enclosures
    • Molded in corrosion resistant thermal set plastic, finish RAL7035 Light Gray
    • Gasket protection to enclosure wall
    • Mount to enclosure wall thickness up to .14" with standard screws
    • Internal vent channel & grille reduces insect intrusion
    • Package quantity 2
    • Part No. SDV180


  • Breather Kit (Pressure Compensation Plug)

    • Packaged individually.
    • Provides for controlled pressure compensation due to temperature variations (i.e. night/day operation).
    • Recommend two plugs per cabinet in opposite locations.
    • Minimum cutout diameter 1.46"
    • Part No. Dimensions Ship Weight
      Diameter Depth
      SDV180 2.6" 1.2" 1
    • Mounting PG 29 (1.14") thread with union nut, minimum cutout diameter
      Material Polycarbonate UL94VO
      Protection IP45
      Color RAL 7032 beige



  • Breather Drain Kit (Pressure Compensation Plug)

    • Packaged individually.
    • Provides for controlled pressure compensation due to temperature variations (i.e. night/day operation).
    • Recommend two plugs per cabinet in opposite locations.
    • Pipe Thread 1/2"NPT (actual dia. 0.84")
    • Part No. BDN4XN1
    • CSA/A Ex Approvals Class I, Zone 1, Ex e II
      Class I Division 2 Groups ABCD
      Class II EFG, Class III
      Ingress Protection IP66, CSA Enclosure Type NEMA 4X UL94VO
      Impact Resistance 20Nm (7Nm GF Nylon)
      Materials Durethan BKV 30 N1 30% Glass Filled Nylon
      O Ring - Nitrile
      Fixing nut - Brass
      Operating Temp -50C to +85C