A dome bottom bypass chemical feeder connects into the primary loop supply and return headers through one-inch bypass piping, unions, and quarter-turn ball valves. A funnel with a three-quarter-inch vent and fill valve sits at the top of the feeder vessel, while a pressure gauge monitors system pressure. The base of the feeder mounts onto a level concrete pad set on a slab on grade, referenced to structural details for platform and anchorage requirements. A one-inch drain pipe with a drain valve discharges to the nearest approved receptor.
(TYP) (TYP) 1 2 3 4 5 6 13 7 8 9 10 11 13 12 PRIMARY LOOP RETURN HEADER FUNNEL PRIMARY LOOP SUPPLY HEADER 3/4" VENT AND FILL VALVE DOME BOTTOM BYPASS FEEDER EQUAL TO JL WINGERT MODEL DB-12HD PRESSURE GAUGE NOTE: 1. SEE STRUCTURAL DETAIL 01/2-S6.91 FOR PLATFORM AND ANCHORAGE DETAILS. 1/4 TURN BALL VALVE UNION 1 2 3 4 5 6 13 7 DRAIN VALVE 8 1" DRAIN PIPE TO NEAREST APPROVED RECEPTOR 9 LEVEL CONCRETE PAD (SEE NOTE #1) 10 SLAB ON GRADE 11 1" BYPASS PIPE 12
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