Component Descriptions
April 2020 2-4 06-237619-001
2-3.2 Cylinder Valves
Kidde IGS uses a pneumatically operated high pressure cylinder valve, designed for an
operating pressure of up to 366 bar (tested and CE marked according to EN 12094-4, tested
and PI marked according to ATR D 2/11:2012 (TPED)).
Each valve includes Quick Connect fitting for the pilot actuation line to allow pneumatic opening
of the valve. Each master cylinder in the bank will be fitted with an electrical/manual release
unit.
A pressure gauge/switch included in the release unit or slave cylinder gauge assembly (with
quick connect cable joints) provides local and optional remote monitoring of the cylinder
pressure. Normally the gauge/switch is electrically connected in a single loop configuration for
common remote monitoring.
During discharge, a continuous pressure of 8 bar is applied to the valve through the actuation
hose, operating the valve. This pressure is supplied from the Agent cylinder through the
actuation hose and release unit.
After a discharge the cylinder valve will close automatically when the pressure has fallen to <3
bar. The residual gas content will prevent ingress of moisture ensuring the inside of the cylinder
will remain dry, thus providing protection against corrosion.
Figure 2-4 represents valve arrangement.
Figure 2-4. Valve General Arrangement, P/N 38-400000-001
WARNING
Valve replacement is not FM Approved.
Safety Burst Disc Vent
Discharge Outlet
Actuation Hose Connections
Discharge Outlet
Actuation Hose Connections
Valve
Cylinder
Gauge PortGauge Port
GAUGE PORT
Side View Rear View
Gauge Port Indictator
Used to locate Gauge
Port when Transport
Cap is installed.
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