
( Brand: Norgren ), ( Manufacturer Part Number: Q212316-1351B ), ( Part Type: Valve Solenoid Coil ), ( Valve Operation: Solenoid )
The **Norgren Q212316-1351B** is a high-performance, 2/2-way normally closed (NC) solenoid valve designed for precise pneumatic control in industrial automation, manufacturing, and material handling applications. Part of Norgren s reliable Q2 series, this valve operates on a **120VAC** coil, delivering consistent and efficient actuation for air or gas systems with minimal energy consumption. Its **1/4-inch PIF (Push-In Fitting)** connection ensures quick and secure installation, reducing downtime and simplifying maintenance ideal for environments where speed and reliability are critical. The robust **normally closed** configuration means the valve remains sealed until energized, preventing unintended airflow and enhancing safety in critical applications. Built with Norgren s proven engineering, this valve features a durable **aluminum housing** and a **stainless steel diaphragm**, ensuring long-term resistance to corrosion, temperature fluctuations, and mechanical stress. The compact yet sturdy design allows for easy integration into existing control panels or piping systems, while its **low power draw** makes it energy-efficient for continuous operation. Whether used in packaging machinery, automated assembly lines, or pneumatic clamping systems, the **Q212316-1351B** delivers dependable performance with minimal maintenance, making it a versatile choice for engineers and operators demanding precision and durability in their pneumatic control solutions.
### **Pros and Cons of buying a Norgren Q212316-1351B (and Q212316-1351B-120-60) 2/2-Way NC Solenoid Valve**
#### **Pros:**1. **Reliable Brand** Norgren is a well-established manufacturer in pneumatic and fluid control systems, known for durability and consistent performance in industrial applications.
2. **Normally Closed (NC) Design** The valve is NC by default, meaning it remains closed when power is off, which can be safer in applications where unintended flow must be prevented.
3. **Standardized Sizing** The 1/4" PIF (Pipe Internal Female) connection is common in pneumatic systems, making it easy to integrate with existing setups.
4. **120VAC Coil Compatibility** Works with standard North American electrical systems, reducing the need for additional voltage converters.
5. **Modular Variants Available** The -120-60 suffix suggests a specific voltage/current rating (likely 120VAC, 60Hz), which may offer flexibility in different regional applications.
6. **Industrial-Grade Construction** Designed for frequent cycling and harsh environments, suitable for automation, manufacturing, or pneumatic control systems.
7. **Easy Installation** Standardized mounting and connection points simplify integration into existing systems.
8. **Low Maintenance** Solenoid valves of this type typically require minimal upkeep, provided proper filtration and lubrication are maintained upstream.
---
#### **Cons:**1. **Limited Voltage Options** The 120VAC coil may not be compatible with non-US electrical systems (e.g., 220VAC or 24VAC applications), requiring additional power supplies.
2. **No Built-in Protection** The valve lacks inherent overload protection for the coil, meaning external protection (e.g., fuses or circuit breakers) is necessary to prevent damage from power surges.
3. **Potential Leakage Risk** Like most solenoid valves, minor leakage can occur over time, especially if the valve is frequently cycled or exposed to contaminants.
4. **No Integrated Pressure Regulation** This valve does not regulate pressure; it simply opens or closes the flow path, so downstream pressure control would require additional components.
5. **Cost** As a branded industrial component, it may be more expensive than generic or aftermarket alternatives, though quality justifies the price in many cases.
6. **Compatibility Dependencies** Ensuring the valve matches the exact pressure, flow rate, and medium (air, gas, or light liquids) requirements of the system is critical; mismatches can lead to premature failure.
7. **No Built-in Diagnostics** Unlike some advanced industrial valves, this model does not provide feedback on valve status (e.g., open/closed), requiring external sensors for monitoring.
8. **Limited Customization** The design is standardized, so options for specialized features (e.g., different materials, sealing, or mounting styles) are restricted.
---
### **Conclusion:**The Norgren Q212316-1351B (and its variant Q212316-1351B-120-60) is a robust, reliable choice for applications requiring a **2/2-way normally closed solenoid valve with 1/4" PIF connections and 120VAC operation**. It excels in industrial settings where durability, brand reputation, and ease of integration are priorities. However, its limitations such as fixed voltage requirements, lack of built-in protection, and no pressure regulation may necessitate additional components for certain applications.
For users in **North America or regions with 120VAC infrastructure**, this valve is a solid, low-maintenance solution for pneumatic control systems. For applications requiring **higher voltages, custom materials, or advanced diagnostics**, alternative models or supplementary components may be needed.
---
### **Recommendation:** - **Buy if:**- You need a **reliable, normally closed solenoid valve** for a **120VAC pneumatic system** in an industrial or automation setting.
- Compatibility with **1/4" PIF connections** is a must, and you can accommodate the valve s standard specifications.
- You prioritize **brand reliability** and are willing to invest in a high-quality component with minimal maintenance requirements.
- **Consider alternatives if:**- Your system requires **non-120VAC operation** (e.g., 24VDC, 220VAC), necessitating a different model or power supply.
- You need **pressure regulation, integrated diagnostics, or custom materials** (e.g., stainless steel for corrosive environments).
- Cost is a major concern, and you re open to **generic or aftermarket valves** with similar specifications.
- **Pair with:**- A **fuse or circuit breaker** for coil protection.
- **Air filters and regulators** to ensure clean, properly pressurized air.
- **External sensors** if real-time valve status monitoring is required.
For most standard pneumatic applications in compatible electrical environments, this Norgren valve is a **strong, practical choice**. Always verify system requirements (pressure, flow, medium) and electrical compatibility before purchase.
Ports: 1/4in PIF. Function: Normally Closed NC. Electrical Connection: Solder Terminals. Norgren Solenoid Valve.
Specifications: model #: Q B, Q B-120-60. Max Pressure: 120psi. This is a surplus item. Coil voltage : 120VAC.