46.02
16397 Rev A Updated 03/2021 © 2021 Victaulic Company. All rights reserved.
5.0 PERFORMANCE (CONTINUED)
CPVC Guidelines
Use of UL Listed CPVC Piping with Specific Application Attic Sprinklers (Wet Systems Only)
CPVC at Ridgeline/Downslope Areas Only
UL Listed CPVC Pipe and Fittings may be used to feed the FL-SA/RE and FL-SA/DS sprinklers protecting the attic
space when adhering to the following guidelines: (See Figure 32)
• Wet Systems only
• Risers are vertical and protected by FL-SA/RE or FL-SA/DS Sprinklers located at a maximum lateral distance of 12
in. (304.8 mm) from the riser centerline.
• FL-SA/RE or FL-SA/DS Sprinklers are directly mounted on the branchline.
• FL-SA/RE or FL-SA/DS Sprinklers are on arm-overs and located at a maximum lateral distance of 6 in. (152.4
mm) from the branchline centerline.
• FL-SA/RE or FL-SA/DS Sprinklers are on vertical sprigs attached to the branchline.
FL-SA/RE or FL-SA/DS
FL-SA/RE or
FL-SA/DS
F
L-SA/RE or
FL-SA/DS
FIGURE 32A
VERTICAL RISER DIRECT MOUNT
FIGURE 32B
VERTICAL RISER SPRIG UP
FIGURE 32C
DIRECT MOUNT
ARM-OVER
FL-SA/RE or
FL-SA/DS
FL-SA/RE or
FL-SA/DS
FL-SA/RE or
FL-SA/DS
FIGURE 32D
ANGLED SPRIG
FIGURE 32E
ARM OVER SPRIG
FIGURE 32F
VERTICAL SPRIG WITH
SWING JOINT
FIGURE 32: CPVC ALLOWANCE GUIDELINES
WET SYSTEMS ONLY
(DIRECTLY FEEDING FL-SA/RE / FL-SA/DS SPRINKLERS)
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