Component Descriptions
April 2020 2-12 06-237619-001
2-4.4 Discharge Indicator (Optional)
The discharge indicator (P/N 81-967082-000), may be installed in the discharge piping to vi-
sually indicate a system discharge. In the set position, the discharge indicator acts as a vent
allowing agent pressure that may have accumulated in the manifold (due to a leaking cylinder
valve) to vent to atmosphere.
Figure 2-14. Discharge Indicator
2-4.5 3/4” Manifold Check Valves
Use the 3/4” Manifold Check Valve (P/N 38-400002-002) between the discharge hose and the
manifold. Manifold Check Valves are included with the pre-built manifolds available for pur-
chase and included in the flow calculation software.
Note: If creating a manifold using NPT tooling, use a 1” BSPT Female to 1” NPT Male adapter
that matches the pipe rating of the manifold.
Figure 2-15. Manifold Check Valves
Table 2-10. Kidde IGS Manifold Check Valve
Part Number Description
38-400002-002 3/4” BSP Manifold Check Valve
3-1/4 in.
(83 mm)
NORMAL
POSITION
DISCHARGE
INDICATION
POSITION
CAP
STEM
1-1/8 in. (29 mm) HEX
ACROSS FLATS
3/4 in. NPT MALE
BODY
60 mm
41.6 mm A/C
1" BSPT to
BS21
3/4" BSPP to
BS2779
t
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