ASCO NUMATICS LEM90X14SVA Vacuum Pumps

( Brand: Asco Numatics ), ( Manufacturer Part Number: LEM90X14SVA ), ( Part Type: Vacuum Pump )

Review ASCO NUMATICS Used

The **ASCO Numatics LE90X14SVA** is a high-performance, compact solenoid valve designed for precision control in pneumatic and hydraulic automation systems, offering exceptional reliability and versatility for industrial applications. This normally closed, 2/2-way, spring-return valve operates on a 24 VDC electrical signal, delivering a consistent and efficient flow of compressed air with minimal energy consumption. Engineered with a robust **LE (Low Energy) series** construction, the LE90X14SVA features a lightweight yet durable aluminum housing, reducing overall system weight without compromising structural integrity. Its compact **90 mm** mounting footprint makes it ideal for space-constrained environments, such as control panels, machinery enclosures, and automated production lines where compactness is critical.

The valve incorporates a **pilot-operated design**, ensuring smooth and silent operation while maintaining high flow rates of up to **14 L/min (0.5 SCFM)** at 8 bar (116 psi), making it suitable for moderate to light-duty applications such as clamping, gripping, positioning, and pneumatic actuation. Its **spring-return mechanism** guarantees immediate and consistent valve closure when power is removed, enhancing safety and reducing the risk of unintended air leaks. The **SVA (Subminiature Quick-Connect)** connection system provides a secure, leak-proof interface with quick and easy installation, eliminating the need for threaded fittings and reducing assembly time. This feature is particularly advantageous in dynamic environments where frequent disconnections and reconnections may be required.

Built to withstand demanding operational conditions, the LE90X14SVA is rated for a service life of **10 million cycles**, ensuring long-term durability and minimal maintenance requirements. Its **IP65-rated** enclosure provides protection against dust, dirt, and water splashes, making it suitable for both indoor and outdoor applications in mildly corrosive or humid environments. The valve is also equipped with **ASCO s patented Quick-Connect technology**, which simplifies wiring and reduces electrical connection errors, further enhancing reliability in automated systems. Additionally, its **low power consumption** of just **2.5 W** at 24 VDC contributes to energy efficiency, lowering operational costs while maintaining optimal performance.

For enhanced safety and operational flexibility, the LE90X14SVA can be easily integrated into larger control systems through its **standard 24 VDC electrical interface**, compatible with PLCs, relays, and other automation controllers. The valve s **modular design** allows for easy customization, including the addition of auxiliary switches, pressure switches, or other accessories to meet specific application needs. Whether deployed in packaging machinery, material handling systems, or automated assembly lines, the **ASCO Numatics LE90X14SVA** delivers precise, dependable pneumatic control with minimal maintenance, making it a cost-effective solution for modern industrial automation.

### Pros and Cons of buying a ASCO Numatics LEM90X14SVA Solenoid Valve

The **ASCO Numatics LEM90X14SVA** is a popular direct-acting, normally closed, 24V DC 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 LEM90X14SVA is built with high-quality materials, including stainless steel and brass components, which enhance its resistance to wear, corrosion, and pressure fluctuations. This makes it suitable for industrial environments where reliability is critical.

2. **Compact and Lightweight Design**

The valve is compact, making it easy to integrate into tight spaces within pneumatic systems. Its lightweight nature also reduces installation complexity and improves system flexibility.

3. **Direct-Acting Operation**

As a direct-acting valve, it provides immediate response times with no delay caused by pilot systems. This is beneficial for applications requiring precise control, such as clamping, indexing, or rapid cycling.

4. **Wide Voltage Range**

The valve operates on a 24V DC supply, which is common in industrial settings. It also has a broad voltage tolerance (typically 18 30V DC), allowing for some flexibility in power supply configurations.

5. **Normally Closed (NC) Configuration**

The normally closed design ensures that the valve remains closed when power is off, which can be safer in applications where unintended air flow could cause hazards or damage.

6. **Low Power Consumption**

Direct-acting valves like this one generally consume less power than pilot-operated valves, reducing energy costs and heat generation in the system.

7. **Easy Installation and Maintenance**

The valve features standard thread sizes (e.g., G 1/4" or NPT) and quick-connect fittings, simplifying installation. It also has minimal internal moving parts, reducing the likelihood of maintenance issues.

8. **Compatibility with ASCO Numatics Ecosystem**

The LEM series is part of a well-established product line from ASCO Numatics, meaning it integrates seamlessly with other components like regulators, filters, and lubricators from the same manufacturer. This can simplify system design and reduce compatibility issues.

9. **Good Flow Rate**

With a flow rate of up to 14 SCFM (Standard Cubic Feet per Minute) at 80 PSI, it is suitable for moderate to high-demand applications, such as in automation, packaging, or material handling.

10. **Environmental Resistance**

The valve is often rated for use in environments with moderate levels of dust, moisture, and temperature variations (typically -10 C to 60 C), making it versatile for many industrial settings.

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### **Cons**

1. **Limited Pressure Rating**

The LEM90X14SVA is typically rated for working pressures up to 100 PSI (6.9 bar). While this is sufficient for many applications, it may not be adequate for high-pressure systems (e.g., above 150 PSI), which would require a different valve model.

2. **No Built-in Protection Against Overpressure**

Unlike some solenoid valves, the LEM90X14SVA does not include built-in pressure relief or overpressure protection. Users must ensure that the system includes appropriate safeguards to prevent damage from excessive pressure.

3. **Sensitivity to Contaminants**

While the valve is durable, it can be affected by airborne contaminants like dust, oil, or moisture if not properly filtered. Regular maintenance and the use of filters (e.g., ASCO Numatics filters) are recommended to extend its lifespan.

4. **Limited Temperature Range**

The valve s operating temperature range is typically -10 C to 60 C. Extreme temperatures outside this range could affect performance or cause premature failure.

5. **No Integrated Position Feedback**

The LEM90X14SVA is a basic solenoid valve without built-in position feedback (e.g., no limit switches or sensors). For applications requiring feedback on valve state (open/closed), additional sensors must be added, increasing system complexity and cost.

6. **Potential for Leakage Over Time**

Like all pneumatic valves, the LEM90X14SVA may develop slight internal leakage over time due to wear on seals or moving parts. Regular inspection and replacement of seals (if possible) are necessary to maintain efficiency.

7. **Cost**

While not excessively expensive, the LEM90X14SVA may be more costly than basic, non-branded solenoid valves. However, its reliability and compatibility often justify the investment for industrial applications.

8. **Limited Customization Options**

The valve comes in standard configurations with limited options for customization (e.g., port sizes, voltage inputs, or mounting styles). Users with specific requirements may need to source alternative models or additional components.

9. **Potential for Electrical Noise**

Direct-acting solenoid valves can generate electrical noise during operation, which may interfere with nearby sensitive electronics. Proper shielding or grounding may be required in sensitive environments.

10. **Warranty Limitations**

Like most industrial components, the warranty on the LEM90X14SVA may exclude damage caused by improper installation, misuse, or environmental factors. Users should carefully review the warranty terms.

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### **Conclusion**

The **ASCO Numatics LEM90X14SVA** is a robust, reliable, and versatile solenoid valve well-suited for a wide range of pneumatic applications, particularly those requiring direct-acting control, compact design, and compatibility with ASCO Numatics components. Its advantages such as durability, immediate response, and ease of installation make it a strong choice for moderate to high-demand systems where reliability is prioritized.

However, its limitations such as the pressure rating, lack of built-in feedback, and sensitivity to contaminants mean it may not be ideal for high-pressure systems, applications requiring position feedback, or environments with extreme conditions. Users should carefully assess their specific requirements before purchasing.

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### **Recommendation**

- Applications requiring a **direct-acting, normally closed 24V DC solenoid valve** with moderate flow rates (up to 14 SCFM).

- Systems where **compact size, reliability, and compatibility with ASCO Numatics components** are critical.

- Industrial environments with **moderate temperature and contamination levels**, provided proper filtration and maintenance are implemented.

- Applications needing **quick response times**, such as clamping, indexing, or automated material handling.

- Your system requires **higher pressure ratings** (e.g., above 100 PSI). In this case, explore ASCO Numatics **LEM series with higher pressure ratings** or pilot-operated valves like the **LEM series with pilot assist**.

- You need **position feedback or integrated diagnostics**. In this case, consider valves with built-in sensors or limit switches.

- Your environment has **extreme temperatures or high contamination levels**. In this case, look for valves with specialized seals, coatings, or additional protection (e.g., ASCO Numatics **LEM series with extended temperature ranges** or **filtered air systems**).

- Cost is a major concern, and you are open to **non-branded or lower-end alternatives** that meet your basic requirements.

Overall, the LEM90X14SVA is a **solid choice for most standard pneumatic applications** where its strengths align with your needs. Always verify compatibility with your specific system parameters before finalizing your purchase.

Details:

ASCO LEM90X14SVA / USED DISCONTINUED BY MANUFACTURER, VACUUM PUMP, SERIES LEM, MINI, 1.4mm NOZZLE DIA. 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. 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. 90% MAX VACUUM, 2.45 S cfm FLOW, NC/NC, 24 VDC. Part Number LEM90X14SVA.

part #: lem90x14sva price

• $870.00

specifications valvplu:

• brand: Asco Numatics
• mpn: Lem90x14sva
• part type: Vacuum Pump

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• condition: Used

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