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  5. AMD-3 - Nitrogen Maintenance Device
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AMD-3 - Nitrogen Maintenance Device

Control nitrogen pressure

The AMD-3 unit is used in conjunction with a cylinder of high-pressure nitrogen to control the pressure in a dry or pre-action sprinkler system.

  • UL and C-UL Listed, FM Approved, NYC Approved under MEA 206-02-E
  • Used in conjunction with a cylinder of high pressure nitrogen
  • Helps control the nitrogen pressure in a sprinkler system or a dry pilot line detection for deluge systems
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AMD-3 - Nitrogen Maintenance Device

  • Overview
  • Features
  • Benefits
  • Technical Resources
  • Related Products

    Automatic and Field Adjustable

    The Tyco® Model AMD-3 Automatic Nitrogen Maintenance Device is an automatic, field-adjustable, nitrogen maintenance device of the high pressure reducing type. As the cylinder pressure decreases to its set point, the AMD-3 keeps a constant outlet pressure using a two-stage pressure regulator. The AMD-3 is typically used in applications without a dependable plant or local air supply.
    Automatic and Field Adjustable

    Features

    • UL and C-UL Listed, FM Approved, NYC Approved under MEA 206-02-E
    • Field-adjustable outlet pressure range: 4 to 60 psi (0,4 to 4,1 bar)
    • Outlet gauge range: 4 to 100 psi (30 to 700 kPa)
    • Maximum inlet nitrogen supply pressure: 3000 psi (200 bar)
    • Inlet gauge range: 200 to 4000 psi (1000 to 28000 kPa)
    • Re-designation for the Gem Model F328

    Benefits

    Industry-Leading Warranty
    Industry-Leading Warranty

    Johnson Controls stands behind its products with a unique warranty. See our Terms and Conditions for details.

    Trusted Performance
    Trusted Performance

    Tyco® products have helped to protect spaces for more than 130 years. 

    Broad Portfolio
    Broad Portfolio

    Tyco® products are part of a time-tested, broad portfolio of fire protection solutions, including fire grooved, sprinklers, valves, water mist, foam concentrates and hardware, and much more.

    Technical Resources

    Document Name
    Description
    Language
    Resource Type

    Data Sheet

    TFP1241 Technical Data Sheet (English)

    AMD-3 -  TFP1241 (English) Automatic Nitrogen Maintenance Device High Pressure (Cylinder) Reducing Type with Field-Adjustable Pressure Regulator

    English Data Sheet
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