U.S. SOLID USS2-00012 Electric Solenoid Valve Npt Normally 1/2 12V Closed

( Brand: U.s. Solid ), ( Manufacturer Part Number: USS2-00012 ), ( Part Type: Valve Solenoid ), ( Unit Type: Unit ), ( Valve Operation: Solenoid ), ( Country Of Origin: China )

Review U.S. SOLID Us.s. Electric Solenoid Valve 1/2 Inch Npt Brass 12v Dc Normally Closed Used

The **U.S. Solid US-S2-00012 12V Normally Closed (NC) Electric Solenoid Valve** is a precision-engineered, direct-acting control device designed for reliable and efficient fluid management in a wide range of industrial, automotive, and HVAC applications. Built with a robust **1/2-inch NPT (National Pipe Thread) female connection**, this valve ensures a secure and leak-proof seal, making it ideal for systems requiring consistent flow regulation, such as air, water, oil, or gas. The **12-volt DC operation** provides a compact yet powerful solution, delivering immediate and responsive actuation with minimal power consumption, which is particularly advantageous in battery-powered or low-voltage systems. As a **normally closed (NC) valve**, it remains sealed by default, allowing fluid to pass only when energized, thereby enhancing safety by preventing unintended leaks or spills. Constructed from **high-quality brass and stainless steel components**, this solenoid valve is resistant to corrosion, wear, and temperature fluctuations, ensuring long-term durability even in demanding environments. Its **direct-acting design** eliminates the need for external pilot valves, simplifying installation and reducing system complexity. The valve s **precise internal mechanism** ensures smooth, silent operation with minimal vibration, making it suitable for applications where noise reduction is critical. Whether integrated into an automotive fuel system, a residential HVAC setup, or an industrial automation process, the **US-S2-00012** delivers dependable performance with a balance of efficiency and reliability. Its compact yet sturdy construction, combined with easy wiring and mounting options, makes it a versatile choice for engineers and technicians seeking a dependable, off-the-shelf solution for precise fluid control.

**Pros and Cons of buying a U.S. Solid USS2-00012 Electric Solenoid Valve (1/2 NPT, 12V, Normally Closed)**

### **Pros**

1. **Reliability and Durability** The U.S. Solid brand is known for producing high-quality, long-lasting solenoid valves designed for industrial and commercial applications. The stainless steel construction ensures resistance to corrosion, making it suitable for harsh environments.

2. **Normally Closed (NC) Operation** This valve is normally closed, meaning it remains shut when power is off. This is advantageous in applications where safety is critical, as it prevents unintended fluid flow in case of power failure.

3. **12V DC Power Supply** The valve operates on a standard 12V DC voltage, which is easy to integrate with most electronic control systems, including automotive, HVAC, and automation setups.

4. **1/2 NPT Threading** The 1/2-inch National Pipe Thread (NPT) connection is a common standard, making it compatible with a wide range of piping systems without requiring additional adapters.

5. **Low Power Consumption** Solenoid valves like this typically draw minimal current (often around 0.5 1.5A), making them energy-efficient for continuous or intermittent use.

6. **Quick Response Time** Electric solenoid valves generally activate rapidly (often within milliseconds), which is ideal for applications requiring precise control, such as in fluid handling, air systems, or automation.

7. **Compatibility with Various Fluids** While the valve is likely designed for water, air, or light oils (check the manufacturer s specifications for exact compatibility), its robust construction allows it to handle moderate pressures and temperatures.

8. **Easy Installation** The straightforward design and standard threading simplify installation, reducing downtime for setup.

---

### **Cons**

1. **Limited Pressure and Temperature Ratings** Without checking the datasheet, this valve may have moderate pressure and temperature limits (e.g., 100 150 PSI and 140 200 F). High-pressure or high-temperature applications may require a heavier-duty valve.

2. **No Built-in Protection Against Backflow or Surge** Normally closed valves do not inherently prevent backflow or pressure surges, which could damage the valve or system if not properly managed with check valves or pressure regulators.

3. **Potential for Wear Over Time** Like all mechanical components, solenoid valves can experience wear in the coil or sealing mechanisms, especially with frequent cycling. This may reduce lifespan if not maintained.

4. **Dependence on Power Supply** Since it is electrically operated, any power interruption (e.g., voltage spikes, brownouts, or wiring issues) could disrupt operation. A backup power source or fail-safe mechanism may be needed for critical applications.

5. **Cost Relative to Simplicity** While not excessively expensive, the price may be higher than basic mechanical valves for applications where electrical control is unnecessary.

6. **Potential for Leakage Over Time** Seals in solenoid valves can degrade, leading to minor leaks. Regular inspection and maintenance are recommended to prevent this.

7. **Limited Customization** This is a standard valve with fixed specifications. If you need specialized features (e.g., different voltage, higher flow rate, or unique mounting), you may need to source a different model.

8. **Noise During Operation** Some solenoid valves produce a clicking or humming noise when activating, which may be noticeable in quiet environments.

---

### **Conclusion**

The **USS2-00012** is a solid, reliable choice for applications requiring a **12V, normally closed, 1/2 NPT solenoid valve** with moderate pressure and temperature requirements. Its durability, ease of use, and compatibility with standard systems make it a practical option for **automation, HVAC, fluid control, or light industrial use**. However, it may not be ideal for **high-pressure, high-temperature, or extreme-duty environments** without additional safeguards.

For most **general-purpose, low-to-moderate demand applications** (e.g., irrigation, air systems, or simple automation), this valve offers a good balance of performance and cost. If your application involves **highly corrosive fluids, extreme pressures, or critical safety requirements**, you may need to pair it with supplementary components (e.g., check valves, pressure regulators) or consider a heavier-duty model.

---

### **Recommendation**

- You need a **reliable, normally closed 12V solenoid valve** for **water, air, or light oils**.

- Your system operates within the valve s **pressure and temperature limits** (verify with the datasheet).

- You require **quick response times** and **easy integration** with existing 12V control systems.

- Budget and application demands align with its **moderate-duty specifications**.

- You need **higher pressure or temperature ratings** (e.g., for steam or aggressive chemicals).

- Your system requires **fail-safe or redundant power** (e.g., battery backup).

- Noise or vibration is a concern (look for quieter models or dampening solutions).

- You need **custom voltage, flow rate, or mounting options**.

**Final Verdict:** This valve is a **strong, cost-effective choice for most standard applications**, but always cross-reference its specifications with your exact requirements before purchasing.

Details:

Important Notes: Not for drinking water or systems. Condition: Used, tested functional. A dependable OEM-quality valve ideal for fuel, gas, and industrial applications. USA SOLID 1/2 NPT Brass Solenoid Valve Used.

Corrosion-resistant and suitable for higher-temperature applications. Features: Solid brass construction. VITON seal resistant to heat, fuels, oils, and corrosive chemicals. Not continuous duty max 8 hours per cycle recommended.

Compatible with gasoline, diesel, kerosene, natural gas, air, oils lubricants.

part #: uss200012 prices

• $23.99-$49.09

specifications valvesplumbing:

• brand: U.s. Solid
• mpn: Uss2-00012
• part type: Valve Solenoid
• unit type: Unit
• valve operation: Solenoid
• country of origin: China

shipping valvesplumbing:

• carrier: USPS
• type: Calculated
• cost: $5.45
• transit: 5-12 Days
• class: Standard
• service: USPS Ground Advantage

returns valvesplumbing:

• policy: No Returns

seller valvesplumbing:

• city: Ypsilanti, Michigan
• rating: 0.0%
• # reviews: 0

offer valvesplumbing:

• availability: In Stock
• options: Ship-to-home
• started: February 6, 2026
• quantity: 6
• sold: 0
• best offers: True

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
• condition: Used

payments valvesplumbing:

• credit card: Mastercard
• wallet: Apple-pay
• other

U.s. Solid USS2-00012 Is Similar To:

• 514t11 Matco Norca Gate Valve Full Port Solid Cast Wedge Brass (24.8% similar) Marco Nora 514T11 gate valve 4 inch wog full port Solid cast wedge new unused may or not be shipped in original box note: this listing is also posted a separate ad for immediate sale...(March 31st, 2018)
• Cil112112u Conrader Solid Cast Brass In Line Horizontal Check 685650061566 (30.1% similar) Your compressor, compressor parts, accessory superstore. This is a universal inline check valve with female npt threads on each end. If you are in need of expedited shipping, please via messaging system. 5 Solid cast brass in line horizontal check valve air compressor wog brand new female npt in-...(November 7th, 2018)
• Ip645 Hammond Single 1 1 2 Solid Brass Ball Threaded Shut Off Valve N.o.s (27.9% similar) A new old stock, never been used might have some tarnishing or discoloration from shelf life. Single Hammond IP645 Solid brass brass ball threaded shut off valve proudly made in us...(March 18th, 2016)
• Hbgv125t Imperial 2 Ea Gate Valve Solid Brass 1 1 4 Threaded (34% similar) Imperial Harvard imported brass gate valve treadled HBGV125T...(October 23rd, 2016)
• Jfsv00071 Solid Viton Stainless Steel Electric Solenoid Valve Nc 853996003780 (44.3% similar) ISO oem Odom festal, small, responsive, light and durable. Operational temperature range is 14 to 248 degrees Fahrenheit 10 120 Celsius. Semi-direct lift valve operates from psi to a maximum pressure of 145 map 8 gallons per minute GM of water at 60OFWITH a pressure drop 1 psi Solid normally closed ...(April 12th, 2018)
• K612dspb Keeney New Solid Brass (20% similar) Please for details. Brand new soap lotion dispenser soap or dispenser, premium style. Polished brass finish. Marketing, listing apps, application. Please rest assure this is original keener manufacturing well known brand factory packing, not a cheap copy...(March 31st, 2017)
• Mai-mt-1212c Octagon Modern Art Interior Design Solid Brass Polished Chrome Universal Deco Valve Hand Shower Diverter Bathroom (23.1% similar) Solid brass polished chrome universal decorative in out compression valve hand shower diverted bathroom hardware. Approximately 2 inch of the wall...(September 29th, 2016)
• Oct7y01 Octagon Modern Art Interior Design Solid Brass High Polished Chrome Valve Hand Shower Diverter Bathroom Rh (26.3% similar) Solid brass high polished chrome octagon valve hand shower diverted bathroom approximately 2 inch of the wall...(September 12th, 2016)
• N31b00a S-29 Flat Gate Valve Nibco 1 Top Solder On Solid Bronze Hand Wheel (26.6% similar) Free shipping if this item offers free shipping free shipping for all lower 48 USA. NBC N31B00A29 1 flat top gate valve 1 solder on Solid bronze hand wheel details gate valve size 1 top of handle to inlet body material bronze stem material silicon bronze wedge handle material bronze connection type ...(February 26th, 2016)
• Ppcv150nl Proplumber 2 Solid Brass Check 659647940042 (21.1% similar) 5 Solid brass check valve inch lot of 2 model PPCV150NL ships to lower 48 states only...(February 25th, 2018)
• Ppma150-nl Proplumber Solid Brass Adapter Free Shipping 659647940202 (18% similar) 1-1 2-IN male npt x in insert barb. Pro plumber PPMA150-NL Solid brass adapter, free shipping US48...(August 7th, 2018)