Product Overview
The Rain Bird PGA Inline/Angle Valve with Flow Control is engineered for reliable and efficient irrigation systems. This valve features a robust design with a water-tight seal, ensuring dependable performance even in demanding conditions. Its hydraulic operation, combined with an electrical solenoid, provides precise control over water flow to your irrigation zones. The valve is constructed from durable PVC and glass-filled nylon for long-lasting use and includes a flow control mechanism for fine-tuning water output.
Key Features:
- Water-tight Seal: Ensures maximum confidence and prevents leaks between the body and bonnet.
- Robust Electrical Design: Provides quiet and reliable performance.
- Durable Construction: Made from rugged PVC and glass-filled nylon for extended operational life.
- Normally Closed, Forward Flow: Designed with a filtered pilot flow to resist debris and clogging.
- Slow Closing Mechanism: Prevents water hammer, protecting your irrigation system from damage.
Setup and Installation
Proper installation is crucial for the optimal performance and longevity of your Rain Bird PGA valve. This valve can be installed in either an inline or angle configuration, depending on your system's requirements. Ensure all connections are secure and watertight.
Installation Steps:
- Prepare Plumbing: Ensure the main water supply is turned off. Prepare the 1-1/2 inch FPT (Female Pipe Thread) connections for the valve.
- Install Valve: Thread the valve onto the pipe connections. For inline installation, ensure the flow arrow on the valve body points in the direction of water flow. For angle installation, the inlet and outlet ports will be at a 90-degree angle. Use appropriate thread sealant (e.g., PTFE tape or pipe dope) to ensure watertight seals.
- Wire Solenoid: Connect the two wires from the 24 VAC solenoid to your irrigation controller's common wire and the specific zone wire. Ensure electrical connections are secure and protected from moisture.
- Test System: Slowly turn on the main water supply and check for leaks. Manually activate the valve from your controller to ensure it opens and closes correctly.
- Adjust Flow Control: The flow control knob on top of the valve allows you to adjust the amount of water flowing through the valve. Turn clockwise to decrease flow and counter-clockwise to increase flow. Adjust as needed for your specific irrigation zone.

Image: Rain Bird PGA Inline/Angle Valve with Flow Control. This image shows the valve with its electrical solenoid and flow control knob, ready for installation.
Understanding Your Irrigation Valve
Video: Rain Bird PGA Commercial Valve Explained. This video provides a detailed explanation of how the Rain Bird PGA valve operates, focusing on its hydraulic and electrical components.
Operating Instructions
The Rain Bird PGA valve operates based on hydraulic pressure controlled by an electrical solenoid. When the irrigation controller sends a 24 VAC signal to the solenoid, it allows water pressure above the diaphragm to escape, causing the diaphragm to lift and open the valve. When the signal is removed, pressure equalizes, and the diaphragm closes the valve.
Flow Control Adjustment:
The manual flow control knob on the top of the valve allows for precise adjustment of the water flow rate for each zone. Turning the knob clockwise reduces the flow, while turning it counter-clockwise increases the flow. This feature is useful for balancing pressure across different zones or reducing water output for specific areas.
Manual Operation:
In case of power outage or for testing purposes, the valve can be opened manually by rotating the solenoid counter-clockwise a quarter turn or by using the manual bleed screw (if present) to release pressure above the diaphragm. Ensure to close it after manual operation to prevent continuous water flow.
Maintenance
Regular maintenance helps ensure the longevity and efficient operation of your Rain Bird PGA valve.
- Periodic Inspection: Visually inspect the valve for any signs of damage, leaks, or debris accumulation around the solenoid and valve body.
- Diaphragm Cleaning: If the valve is not opening or closing properly, the diaphragm may be obstructed by debris. Turn off the main water supply, carefully unscrew the bonnet screws, and remove the bonnet and diaphragm. Clean the diaphragm and the valve seat area thoroughly with clean water. Inspect the diaphragm for tears or damage and replace if necessary.
- Solenoid Check: Ensure the solenoid is securely tightened. If the valve fails to operate electrically, check the wiring connections and test the solenoid for continuity with a multimeter.
- Winterization: In regions subject to freezing temperatures, it is essential to properly winterize your irrigation system, including the valves, to prevent freeze damage. Consult your irrigation system's overall winterization guide.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Valve does not open | No electrical signal to solenoid; clogged pilot hole; damaged diaphragm; low water pressure. | Check controller and wiring; clean pilot hole; inspect/replace diaphragm; verify main water pressure. |
| Valve does not close | Debris under diaphragm; damaged diaphragm; faulty solenoid; manual bleed screw open. | Clean diaphragm and valve seat; inspect/replace diaphragm; replace solenoid; ensure bleed screw is closed. |
| Water leaks from valve | Loose bonnet screws; damaged O-ring or diaphragm; cracked valve body. | Tighten bonnet screws; replace O-ring/diaphragm; replace valve if body is cracked. |
| Low flow or pressure | Flow control knob too far closed; partially clogged valve; insufficient main water pressure. | Adjust flow control knob; clean valve internals; check main water supply. |
Specifications
| Brand | Rain Bird |
| Model Number | B30410 (150-PGA) |
| Material | Polyvinyl Chloride (PVC) and Glass-Filled Nylon |
| Item Dimensions (L x W x H) | 6 x 3 x 6 inches |
| Inlet Connection Size | 1.5 Inches |
| Inlet Connection Type | National Pipe Tapered (FPT) |
| Outlet Connection Size | 1.5 Inches |
| Outlet Connection Type | National Pipe Tapered (FPT) |
| Maximum Operating Pressure | 150 PSI (Pound per Square Inch) |
| Number of Ports | 2 |
| Item Weight | 1 pound |
| Specification Met | ASTM, CSA, NEMA, UL, ULC |
Warranty and Support
For specific warranty information and detailed support, please refer to the official Rain Bird website or contact Rain Bird customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Rain Bird Customer Service: Please visit www.rainbird.com/support for contact details, FAQs, and additional resources.