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General| Brand | Apollo |
|---|---|
| Model | RPLF4A |
| Category | Control Unit |
| Language | English |
Explains the function and components of the Reduced Pressure Principle (RP) device.
Provides detailed steps and tips for installing the RP device, including location and connections.
Addresses relief valve discharge, check valve failures, and pressure differential issues.
Covers check removal, check maintenance, and relief valve maintenance for 2-1/2" to 6" sizes.
Covers check removal, check maintenance, and relief valve maintenance for 8" to 12" sizes.
Verifies the relief valve maintains a 2 psi differential under no-flow conditions.
Tests the tightness of the second check valve against back pressure.
Checks static pressure drop across check valve 1 against relief valve opening point.
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