An inline isolation valve assembly features a three-quarter-inch brass gate valve connected to a schedule forty mainline via brass nipples, a brass union, and a schedule forty PVC bushing. The valve is housed inside a six-inch PVC riser pipe and capped with a valve box positioned flush with the finish grade. Pre-cast concrete bricks rest on a bed of five-eighth-inch washed pea gravel surrounding the base of the riser pipe.
6" 3" 1. VALVE BOX 2. FINISH GRADE 3. 6" PVC RISER PIPE 4. 3-4" BRASS GATE VALVE 5. PRE-CAST CONCRETE BRICK 6. SCH. 40 MAINLINE 7. BRASS UNION 8. SCH. 40 PVC BUSHING 9. BRASS NIPPLE 10. 5/8" WASHED PEA GRAVEL (1 CU. FT.) 1 2 3 4 5 6 7 8 9 10 24"
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