9
HELIX™ Manual
(P/N 26291)
Chapter 2: System Components
Rev A (February 2018)
HELIX™
PCU Fire Suppression System
2.3 Agent Distribution Network Accessories
2.3.1 Discharge Fitting Kit (P/N 10199
-
R)
The Discharge Fitting Kit is used to connect the Agent Cylinder
Valve to the Agent Distribution Network. It consists of a brass
fitting with an o
-
ring seal on one end, 3/4” NPT male pipe threads
on the other, and a stainless steel flange for locking the fitting in
place. The flange is placed over the threaded end of the fitting
before connection to the Agent Distribution Network. See Section
4.2.1 for installation instructions
.
2.3.2 Agent Distribution Network Plumbing
The Agent Distribution Network carries the Dry Chemical Agent from the Discharge Fitting Kit to the
Nozzles. The network consists of 1/2” (12.7 mm) and 3/4” (19.1 mm) wire braided rubber hydraulic
hose and the corresponding fittings. Distribution hose and fittings are installer supplied. Detailed
specifications for these hoses by manufacturer are given in Section 3.4. Care must be taken to only
use the brand of fittings specified by each hose manufacturer for their hose. Substitution of
unapproved hose or that of a different size will void AMEREX warranty and will adversely affect
system performance. See Section 3.4 for installation instructions.
Figure 2.3.1
2.2 Agent Cylinder Mounting Bracket
A single Cylinder Bracket is available for either size Agent Cylinder as shown in Table 2.2. Overall
dimensions and mounting locations are shown below. Each Cylinder Bracket includes two band
clamps for securing the Agent Cylinder to the bracket. Refer to Section 4.1 for Cylinder Bracket
mounting options. Dimensions are in inches [mm].
Agent Cylinder
Cylinder Bracket
Part Number
HX25/HX50
HX 25/50 Cylinder Bracket
14929
Table 2.2
Figure 2.2