4
Customer Service
(704) 841-6000
www
.apolloflowcontrols.com
“Apollo”
Flow Controls
INSTALLATION, OPERATION & MAINTENANCE
MANUAL
DOUBLE CHECK DETECTOR ASSEMBLY (DCDA)
The DCDA device consists of a mainline DCV and a bypass assembly consisting of an approved DCV assembly and water meter. Each device is
equipped with test cocks for periodic field testing and is normally supplied with inlet and outlet shut-off valves. For information on operation,
installation, trouble shooting & testing refer to Installation Instruction Booklet I476700 furnished with each DCDA unit. For maintenance
instructions see pages 4 - 6. For parts list see pages 21 - 24.
FIGURE 5
NO FLOW CONDITION
FIGURE 4
40 - 10X - T2
TOP ENTRY
NO FLOW CONDITION