Kidde Fire Systems ECS User Manual

Component Description
06-236115-001 3-25 October 2014
3-3.7.2 Valve Outlet Adapters, P/N WK-283904-000, P/N WK-283905-000 and P/N
WK-283906-000
A valve outlet adapter connects the cylinder valve outlet to the discharge piping when a flexible
discharge hose is not used (see Figure 3-27 and Table 3-14).
Note: 3" valve cylinders are equipped with a roll-groove outlet. Use a standard groove-groove
connection in lieu of a valve outlet adapter.
Figure 3-27. Valve Outlet Adapter
3-3.7.3 Check Valve, 1/4-inch, P/N WK-264985-000
Check Valves are installed in sections of piping in main/reserve systems to prevent the
actuation of the reserve system when the main system is discharged.
1/4-inch check valves are installed in the pilot manifold to ensure the proper number of
cylinders are discharged (see Figure 3-28).
Figure 3-28. Check Valve
Table 3-14. Dimensions, Valve Outlet Adapter
Part Number
Size A B
CD
in mm in mm
WK-283904-000 1½" 1½" to 11½ NPT 1.874" 2.69 68.33 2.50 HEX 63.5
WK-283905-000 2" 2" to 11½ NPT 2.500" 12 UNJ 3.12 79.25 3.00 HEX 76.2
WK-283906-000 2½" 2½"to 8 NPT 3.00" 12 UNJ 3 76.2 3.75 HEX 95.2
C
D
A (system pipe connection)
B (valve outlet connection)
DIRECTION
OF FLOW
1/4 in.-18NPT (TYP.)
2.00 in.
(51 mm)
Note: Install the valve with the arrow pointing in the direction of flow.
0.81 in.
HEX
(21 mm)

Kidde Fire Systems ECS Specifications

General

Brand	Kidde Fire Systems
Model	ECS
Category	Fire Extinguisher
Language	English