1. Entwodiksyon ak souview
This manual provides comprehensive instructions for the installation, operation, and maintenance of your U.S. Solid 1-1/4” Motorized Ball Valve. Designed for reliability and efficiency, this stainless steel electric ball valve features a full port design, 9-24V AC/DC compatibility, and a 2-wire auto-return mechanism, making it ideal for various fluid control applications, including home automation projects.

Figi 1: Plis paseview of U.S. Solid Motorized Ball Valve product range.
2. Pwodwi Features
- Secure and Dependable: Crafted from SS304 steel and NSF certified, ensuring safe drinking water usage. Designed for longevity with 80,000 to 100,000 cycles.
- NPT Standard Threading: Features National Pipe Thread standard threading and a full port design to minimize pressure loss.
- 9V-24V AC/DC Compatible: Operates efficiently across the entire voltage range, opening or closing within 3-5 seconds. A limit switch reduces power consumption once fully open or closed.
- 2-Wire Automatic Return Setup: Simple two-wire connection that de-energizes the valve after opening. It automatically reverts to a fully closed state upon power loss.
- Preferable to Solenoid Valves: Power is automatically cut off once the valve is fully opened or closed, reducing overheating risks. An excellent alternative for applications requiring prolonged open states.

Figi 2: Devan view of the U.S. Solid 1-1/4” Motorized Ball Valve.
3. Espesifikasyon
| Atribi | Valè |
|---|---|
| Materyèl | Nerjaveèi (SS304) |
| Mak | US Solid |
| Eksteryè Fini | Nerjaveèi asye |
| Kalite Koneksyon Inlet | NPT Threaded |
| Maksimòm Presyon Fonksyònman | 1 MPa (145 PSI) |
| Kantite pò | 2 |
| Espesifikasyon Met | NSF |
| Kalite valv | Valv boul |
| Pwa atik | 3.09 liv |
| Dimansyon pake | 8.66 x 4.92 x 3.94 pous |
| Nimewo Modèl Atik | USS-MSV00410 |
| Gwosè | 1.25 pous |
| Pwovizyon pou pouvwa | 9-24V AC / DC |
| Tan ouvri/fèmen | 3-5 segonn |
| Evalyasyon IP | IP65 |

Figure 3: Detailed dimensions of the motorized ball valve.
4. Enstalasyon ak Enstalasyon
4.1 Enstalasyon mekanik
Ensure the valve is installed in a location that allows for proper operation and maintenance. The NPT standard threading ensures compatibility with standard pipe fittings. For a watertight seal, it is recommended to apply Teflon tape to the male pipe end before screwing it firmly into the valve.

Figure 4: Instructions for applying Teflon tape and showing NPT threaded female ends.
4.2 Electrical Wiring (2-Wire Auto Return)
The U.S. Solid 2-wire auto return motorized ball valve is designed for simple electrical connection. It operates by energizing the valve to open and automatically returning to a closed state when power is removed. The red wire can be connected to either the positive or negative pole, and the green wire to the opposite pole. Once energized, the valve will open and remain open until de-energized. Upon power loss, the valve will automatically close.
Video 1: Demonstrates how to wire the U.S. Solid 2-wire auto return motorized ball valve, including connecting to a simple power source and a DC power plug.

Figure 5: Wiring diagrams for 2-wire auto return in both DC and AC configurations.
For more complex wiring scenarios or different valve types (e.g., 2-wire reverse polarity, 3-wire, 5-wire), refer to the comprehensive wiring diagrams provided below. Always ensure power is disconnected before performing any wiring.

Figure 6: Comprehensive wiring diagrams for 2-wire auto return, 2-wire reverse polarity, 3-wire, 3-wire (1-way setup), and 5-wire configurations.
5. Operasyon Enstriksyon
The U.S. Solid 2-wire auto return motorized ball valve operates on a simple principle: applying power opens the valve, and removing power closes it. This makes it ideal for applications where a default closed state is desired, or where power interruptions should result in valve closure.
- Opening the Valve: Apply 9-24V AC/DC power to the red and green wires as per the wiring diagram (Figure 5). The valve will begin to open and will reach its fully open position within 3-5 seconds. Once fully open, the internal limit switch will cut off power to the motor, reducing power consumption to a nominal level.
- Closing the Valve: Remove the power supply from the valve. The valve will automatically return to its fully closed position. This auto-return feature ensures the valve closes in the event of a power failure.

Figure 7: Illustration of IP65 ingress protection rating and comparison of normally closed/open and full/standard port valve states.
6. Antretyen
The U.S. Solid Motorized Ball Valve is designed for minimal maintenance due to its robust construction and self-lubricating components. However, periodic inspection can help ensure optimal performance and longevity.
- Enspeksyon regilye: Periodically check for any signs of leaks around the connections. Ensure all electrical connections remain secure and free from corrosion.
- Netwayaj: If the valve is exposed to harsh environments, occasional external cleaning may be necessary to prevent buildup that could impede operation. Use a damp cloth and mild detergent if needed. Avoid using abrasive cleaners or solvents.
- Verifikasyon Operasyonèl: Periodically cycle the valve (open and close) to ensure smooth operation and confirm the auto-return function is working correctly.
- Konsiderasyon anviwònman an: While the valve has an IP65 rating, protecting it from extreme temperatures, direct prolonged sunlight, or excessive moisture can extend its lifespan.
NAN. Depanaj
If you encounter issues with your U.S. Solid Motorized Ball Valve, refer to the following common troubleshooting steps:
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Valve does not open when power is applied. | No power, incorrect wiring, motor malfunction. |
|
| Valve does not close when power is removed. | Internal mechanism issue, obstruction. |
|
| Valve operates slowly or with difficulty. | Low voltage, internal friction, debris. |
|
| Water leakage from valve. | Improper installation, damaged seals. |
|
8. Garanti ak sipò
U.S. Solid products are manufactured to high-quality standards and are backed by a manufacturer's warranty. For specific warranty details, including coverage period and terms, please refer to the warranty information provided with your purchase or visit our official websit.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact U.S. Solid customer service. Our team is available to help you with any questions or concerns regarding your motorized ball valve.
Enfòmasyon pou kontakte:
- Websit: www.ussolid.com
- Sèvis Kliyan: Gade website for contact methods (phone, email, chat).





