Component Descriptions
06-237619-001 2-27 April 2020
2-8.3.2 1040 cu. in. Nitrogen Pilot Cylinder
The 1040 cu. in. N
2
pilot cylinder (P/N 90-101040-000) can be used to operate up to 4 Nitrogen
pressure operated sirens or one discharge delay. Any compatible control head can be fitted to
the cylinder to provide the desired means of operation. The cylinder has a 5/8-in Type "I" style
valve affixed with a pressure gauge. In addition to the control head, this valve requires attach-
ment of a plain nut discharge head to allow discharge of the cylinder contents. The 3/4-in NPT
N
2
discharge hose (P/N WK-251821-000) connects the discharge head to the corresponding
siren line or dicharge delay line. The cylinder is secured using the single cylinder strap (P/N
WK-270014-000). Approved for use in environments from 32°F to 130°F (0°C to 54°C).
2-8.3.2.1 1040 cu. in. Nitrogen Pilot Cylinder Strap
Use the single cylinder strap (P/N WK-270014-000) to secure the 1040 cu. in. Nitrogen pilot
cylinder.
2-8.3.2.2 3/4 in. Nitrogen Discharge Hose
The 3/4 in. flexible hose (P/N WK-251821-000) is used to connect the discharge head with the
pilot distribution manifold or piping. The hose is manufactured from reinforced rubber and is
supplied with crimp-on 3/4 in. NPT fittings, a fixed male and swivel female connector (see
Figure 2-34).
Figure 2-34. Discharge Hose, 3/4 in.
16.38 (ref)
MALE COUPLING
3/4 in. NPT
SWAGED OR CRIMPED
HOSE
FEMALE SWIVEL COUPLING
3/4 in. NPS
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