Description
The Kidde-Fenwal 87-120043-001 is a system nitrogen cartridge designed for use within the Kidde XV Control System. It provides the stored nitrogen pressure required to actuate fire suppression system cylinders in both wet chemical (WHDR) and dry chemical (IND) applications.
This cartridge is installed inside the XV Control System enclosure, where it is protected from tampering and environmental exposure. Upon system activation—whether by mechanical detection lines, manual release, or optional electrical actuation—the cartridge discharges nitrogen into the actuation lines. This pressurization drives the System Valve Actuators (SVAs), opening cylinder valves and releasing the suppression agent.
The cartridge is factory-charged with dry nitrogen and includes a visible manufacturing date along with a designated area for recording the installation date, supporting maintenance tracking and compliance requirements.

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