Component Descriptions
06-237619-001 2-1 April 2020
CHAPTER 2
COMPONENT DESCRIPTIONS
2-1 INTRODUCTION
This chapter provides a functional description of the modules and assemblies in Kidde Fire
Systems Inert Gas Engineered Fire Suppression System (Kidde
®
IGS) using IG-100 or IG-55
(herein refer to collectively as the “Agent”).
2-2 FUNCTIONAL DESCRIPTION
The Agent is held in the Agent storage cylinder by a discharge valve. When the discharge valve
is actuated, the Agent discharges through the valve outlet and is directed through the
distribution piping to the nozzles. The nozzles provide the proper flow rate and distribution of
the Agent.
The Kidde IGS System is composed of the following components and assemblies:
• Section 2-3, Kidde IGS Agent Cylinders and Release Units
• Section 2-4, Discharge Accessories
• Section 2-5, Selector Valves
• Section 2-6, Lockout Valves
• Section 2-7, Discharge Nozzles
• Section 2-8, Nitrogen Pilot System and Pressure Driven Accessories
• Section 2-9, Fill Adapter
• Section 2-10, Manifold Equipment
• Section 2-11, Racking Components
Figure 2-1 shows some of the above components in a typical configuration.
Figure 2-1. Typical Kidde Inert System
Fire Suppression
Panel
Note: Image not to scale
Release Unit
Agent
Cylinder
Nozzle
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