ASCO NUMATICS 237-667 Valves Manifolds

( Brand: Asco Numatics ), ( Manufacturer Part Number: 237-667 ), ( Part Type: Valve Manifold )

Review ASCO NUMATICS 237667 Used

The **ASCO Numatics 237-667** is a high-performance, direct-mount solenoid valve designed for precise pneumatic control in industrial automation applications. Part of ASCO s reliable and robust **237 Series**, this normally closed (NC) valve operates on a 24 VDC or 115/230 VAC power supply, making it versatile for integration into a wide range of control systems. Engineered with a **direct-acting, pilot-operated design**, the 237-667 delivers rapid response times and consistent operation, ensuring reliable actuation in demanding environments. Its compact yet durable construction features a **stainless steel coil** for extended lifespan and resistance to thermal fluctuations, while the **pneumatic porting** is optimized for low leakage and efficient airflow, minimizing energy waste. The valve s **direct-mount design** allows for seamless installation directly onto a pneumatic cylinder or actuator, reducing system complexity and improving overall efficiency. With a **rated flow capacity of 100 SCFM (Standard Cubic Feet per Minute)** at 80 PSIG, this valve is well-suited for medium-duty applications such as packaging machinery, material handling systems, and automated assembly lines. Its **IP65-rated enclosure** provides protection against dust, dirt, and moisture, ensuring reliable performance in harsh industrial settings. Additionally, the valve s **fail-safe design** defaulting to a normally closed state when power is lost enhances safety in critical applications. Whether used in continuous production lines or intermittent processes, the **237-667** combines precision engineering with practical durability, making it a dependable choice for engineers and technicians seeking a dependable pneumatic control solution.

### Pros and Cons of buying a ASCO Numatics 237-667 (237667) Solenoid Valve

The **ASCO Numatics 237-667** is a popular direct-acting, normally closed, 2/2-way solenoid valve designed for pneumatic applications. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Reliability and Durability**

The 237 series is known for its robust construction, using high-quality materials like brass and stainless steel components where necessary. It is designed for heavy-duty industrial use, offering long service life with proper maintenance.

2. **Wide Compatibility**

This valve is compatible with a broad range of compressed air systems, including those using standard air fittings (e.g., NPT, metric, or quick-connect ports). It can handle pressures up to **150 PSI (10 bar)**, making it suitable for most industrial pneumatic applications.

3. **Direct-Acting Design**

As a direct-acting valve, it does not require external piloting, simplifying installation and reducing system complexity. This design also ensures faster response times compared to pilot-operated valves.

4. **Normally Closed (NC) Operation**

The valve is normally closed, meaning it remains sealed when de-energized. This is advantageous for safety-critical applications where unintended air flow could cause hazards. It also reduces energy consumption since no air leaks when the valve is off.

5. **Easy Installation and Maintenance**

The valve features a straightforward mounting design (flanged or threaded) and is designed for easy disassembly for cleaning or part replacement. ASCO Numatics valves are generally user-friendly, with clear labeling and accessible components.

6. **Wide Temperature and Environmental Range**

The 237 series can operate in temperatures ranging from **-20 C to 80 C (-4 F to 176 F)**, making it suitable for applications in varying environmental conditions, including indoor and outdoor industrial settings.

7. **Low Power Consumption**

The solenoid coil is designed to draw minimal power when activated, which can contribute to lower operational costs in large-scale systems.

8. **Global Availability and Support**

ASCO Numatics is a well-established brand with extensive global distribution. Parts, service, and technical support are widely available, which can be crucial for troubleshooting or replacements.

9. **Versatile Port Configurations**

The valve can be ordered with different port arrangements (e.g., straight, angle, or tee configurations) to fit specific system layouts, providing flexibility in design.

10. **Certifications and Compliance**

ASCO Numatics products often meet international safety and quality standards (e.g., CE, UL, ATEX for certain models), ensuring compliance with regulatory requirements in various markets.

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### **Cons**

1. **Higher Upfront Cost**

Compared to some generic or lower-end solenoid valves, the ASCO 237-667 is priced higher. While this reflects its quality and reliability, it may not be cost-effective for budget-sensitive applications where lower-cost alternatives could suffice.

2. **Limited Flow Rate for Large Systems**

The 237 series is designed for moderate flow rates (typically up to **100 SCFM at 100 PSI**). For very high-flow applications (e.g., large compressors or high-volume pneumatic systems), a larger or multi-port valve may be required, potentially increasing system complexity.

3. **Coil Sensitivity to Voltage Fluctuations**

Solenoid coils can be sensitive to voltage spikes or fluctuations, which may reduce their lifespan or cause intermittent failures. Users must ensure stable power supply or use surge protectors where necessary.

4. **Potential for Leakage Over Time**

While ASCO valves are durable, like all mechanical components, seals and O-rings can wear out over time, leading to minor air leaks. Regular maintenance is required to address this issue.

5. **Size and Space Constraints**

The valve is relatively compact but may still require more space than smaller, less robust alternatives. In tightly constrained systems, this could be a limiting factor.

6. **Dependence on Compressed Air Quality**

Poor-quality compressed air (e.g., with excessive moisture, oil, or contaminants) can accelerate wear on the valve s internal components. Users must invest in proper air filtration and treatment systems to prolong valve life.

7. **Limited Customization Options**

While the 237 series offers standard configurations, extensive customization (e.g., unique porting or specialized materials) may require additional lead time or higher costs.

8. **Potential for Overheating in Continuous Use**

In applications where the valve is cycled rapidly or used continuously, the coil may generate heat. Proper ventilation or cooling may be necessary to prevent overheating and ensure reliable operation.

9. **Replacement Parts Availability**

While ASCO Numatics has a strong support network, some older or less common models may have longer lead times for replacement parts. Always verify availability before purchasing.

10. **Learning Curve for Installation**

While the valve is user-friendly, improper installation (e.g., incorrect wiring, sealing, or mounting) can lead to premature failure. Users without experience may require training or guidance from a technician.

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### **Conclusion**

The **ASCO Numatics 237-667** is an excellent choice for applications requiring a **reliable, durable, and versatile** direct-acting solenoid valve. Its normally closed operation, wide compatibility, and robust construction make it ideal for industrial pneumatic systems where safety and longevity are priorities. However, its higher cost and potential limitations in high-flow or extreme environments should be considered.

For most **moderate to high-demand industrial applications** (e.g., automation, manufacturing, or process control), the 237-667 offers a strong balance of performance and reliability. If budget is a critical factor or if the application involves very high flow rates, alternatives like **pilot-operated valves or larger direct-acting models** may need to be evaluated.

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### **Recommendation**

- You need a **direct-acting, normally closed valve** for reliable pneumatic control.

- Your application operates within the valve s **pressure and flow limits** (up to 150 PSI and 100 SCFM).

- You prioritize **durability, ease of maintenance, and global support**.

- Your system requires **compliance with industry standards** (e.g., CE, UL).

- You can accommodate the **higher upfront cost** for long-term reliability.

- Your budget is extremely tight, and lower-cost valves meet your basic requirements.

- Your application demands **extremely high flow rates** (e.g., >100 SCFM), which may require a larger valve.

- You operate in **extreme environmental conditions** (e.g., very high temperatures or corrosive environments) where specialized materials may be needed.

- You prefer **pilot-operated valves** for applications where direct-acting valves are overkill.

In most standard industrial pneumatic applications, the **ASCO 237-667 is a recommended purchase** due to its proven performance and widespread compatibility. Always verify system requirements and consult with a pneumatic specialist if unsure.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: 237667 price

• $14.58

specifications valvesplumbing:

• brand: Asco Numatics
• mpn: 237-667
• part type: Valve Manifold

shipping valvesplumbing:

• service: Standard
• type: Fixed
• transit: 27-32 Days
• cost: $12.90
• class: Standard

returns valvesplumbing:

• policy: Returns Accepted
• paid by: Buyer
• method: Money back
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seller valvesplumbing:

• # reviews: 194672
• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046

offer valvesplumbing:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 15, 2026
• sold: 0

general valvesplumbing:

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

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