AMD-3 - Nitrogen Maintenance Device – Valves, Devices, & Components | Tyco Fire

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  5. AMD-3 - Nitrogen Maintenance Device
Product Image AMD-3_1
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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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