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General| Brand | Apollo Valves |
|---|---|
| Model | DC4A |
| Category | Control Unit |
| Language | English |
Explains the Double Check Valve (DC) device, its components, and pressure requirements for normal operation.
Details the requirements for installing the DC device, including location, piping, and orientation.
Lists common symptoms, their causes, and corrective actions for check valve failures.
Provides step-by-step instructions for disassembling and reassembling check valves and poppets.
Details the steps for testing the first check valve, including connections and readings.
Details the steps for testing the second check valve, including connections and readings.
Describes a specific test to identify if the second shut-off valve is leaking.
Lists all components and their part numbers for the DC4A and DCLF4A models.
Details the parts included in the check module sub-assembly.
Lists part numbers for various inlet and outlet shut-off valves.
Lists replacement handles available for specific ball valve shut-off valve types.
Details the contents of the rubber kit for repairing one check module.
Details the contents of the complete kit for repairing one DC check.
Details the contents of the kit for repairing one complete DC valve.
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