AMD with Adjustable Regulator – Model AMD-74

The Bermad AMD Air Maintenance Device with adjustable regulator is an automatic pressure regulating type that automatically controls the supplied air pressure to a constant preset value. it is suited for use in a dry pilot actuated Deluge system, Dry Pipe or Preaction systems. The AMD shall be utilized in applications where there is a compressed air or nitrogen source, which is provided at a higher pressure than the desired system pressure, including a fieldadjustable pressure regulator. The supply system shall include an air tank, (separately provided) connected to the specific port. Major components illustrated in Figure 1 are factory assembled.