Nitrogen Maintenance Device AMD-3

Description

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.

Specification

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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