Residential Riser
The RD13 Riser (with NPT connectors) is constructed from Listed CPVC products suitable for fire sprinkler services subject to the limitations and installation requirements of Flameguard CPVC pipe and Spears CPVC fittings. The RD13 Riser incorporates a VSR-SG flow switch, gauge, and drain/test valve. The VSR-SG flow switch is equipped with union connection to facilitate the installation and removal of the switch in confined spaces.
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Using appropriate sealant, thread the female adapter on to the main water supply. Then glue the riser assembly to the female adapter. Pipe the drain connection to an adequate drain location capable of handling the drain discharge. The riser can be mounted in the horizontal or vertical position. Direction of flow is indicated in Fig. 1. The waterflow switch must be located on the top or on the side of the pipe when installed in the horizontal position. This will prevent debris from entering the throat of the waterflow switch which could interfere with proper operation.
Following CPVC manufacturer’s instructions for preparation and gluing of CPVC piping systems, glue the main riser to the main supply line for the sprinkler heads. NOTE: All glued connections must be completed and cured before the flowswitch is installed
1119067 Specifications PDF
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