NELES CONTROLS CORP A413721 Metso Automation

( Brand: Neles Controls Corp ), ( Manufacturer Part Number: A413721 )

Review NELES CONTROLS CORP Metso Automation Used

The **Neles A413721** is a high-performance, robust control valve engineered by **Metso Automation** (now part of **Outotec**) to deliver exceptional reliability and precision in demanding industrial applications. Part of the **Neles A4100 series**, this valve is specifically designed for **high-pressure, high-temperature, and corrosive environments**, making it an ideal choice for critical processes in industries such as **oil and gas, chemical, power generation, pulp and paper, and water treatment**. Constructed with **stainless steel (typically 316L or duplex grades) or other corrosion-resistant alloys**, the A413721 ensures long-term durability while maintaining tight sealing integrity, even under extreme conditions.

This valve features a **pneumatic or electric actuator** (depending on the configuration) that provides smooth, precise control over fluid flow, making it suitable for applications requiring **tight throttling or on/off service**. The **globe-style body design** with a **single-seated or double-seated configuration** allows for efficient flow regulation while minimizing pressure drop, ensuring optimal system performance. The **wafer-style or lug-style mounting options** provide flexibility in installation, accommodating various pipeline constraints without compromising structural integrity. Additionally, the **integrated positioner** (when equipped) enhances control accuracy, reducing hysteresis and ensuring consistent valve response across varying operating conditions.

One of the standout features of the **Neles A413721** is its **fail-safe design**, which includes options for **fail-open or fail-close functionality**, critical for safety-critical applications where system stability is paramount. The valve s **seal material compatibility** ranging from **EPDM, Viton, or PTFE** ensures resistance to a wide spectrum of chemicals, while the **high-pressure rating (up to 400 bar or 5,800 psi, depending on the model)** and **temperature range (from -50 C to 200 C, or wider with special alloys)** make it versatile for extreme environments. The **modular design** allows for easy maintenance, with quick-access components that minimize downtime during servicing.

Built to **API 6D, ISO 15761, and ANSI/FIAG standards**, the **Neles A413721** is engineered for **high-integrity pressure protection (HIPPS) applications**, ensuring reliability in offshore and onshore oil and gas facilities. Its **low leakage class (typically Class IV or V)** guarantees minimal bypass, which is essential for applications requiring strict containment, such as **toxic gas handling or hazardous fluid control**. The valve s **anti-blowout stem design** further enhances safety by preventing accidental stem extraction under high-pressure conditions, while the **integrated diaphragm or piston actuator** delivers consistent torque and positioning, even under fluctuating load conditions.

Whether deployed in **pipeline isolation, pressure regulation, or emergency shutdown systems**, the **Neles A413721** combines **superior engineering, corrosion resistance, and operational flexibility** to meet the most stringent industrial demands. Its **long service life, minimal maintenance requirements, and adaptability to automation systems** make it a preferred choice for engineers seeking a **high-performance, low-failure-rate valve solution** in the most challenging environments. With **Metso Automation s reputation for innovation and quality**, this valve represents a robust investment in system reliability and operational efficiency.

### **Pros and Cons of Buying a Neles A413721 (Metso Automation) Flow Meter**

#### **Pros**

1. **High Accuracy and Reliability**

The Neles A413721 is a magnetic flow meter known for its precise measurement of conductive liquids, including water, wastewater, and chemicals. Its robust design ensures long-term stability with minimal drift, making it suitable for critical applications where accuracy is essential.

2. **Wide Range of Applications**

It is versatile and can handle a variety of fluids, including corrosive and abrasive liquids, making it ideal for industries such as water treatment, chemical processing, and power generation. The meter s ability to measure bidirectional flow is also a significant advantage in systems where flow direction changes.

3. **Durable Construction**

The meter is built with high-quality materials, including stainless steel and other corrosion-resistant alloys, ensuring longevity even in harsh environments. The absence of moving parts reduces wear and tear, lowering maintenance requirements.

4. **Low Maintenance Requirements**

Since magnetic flow meters have no obstructions or moving components, they require minimal maintenance compared to other types of flow meters (e.g., turbine or ultrasonic meters). This reduces downtime and operational costs over time.

5. **Compliance with Industry Standards**

The Neles A413721 meets international standards such as IEC 60041 and ANSI/ISA standards, ensuring it is suitable for regulated industries where certification is mandatory. This makes it a trusted choice for compliance-driven applications.

6. **Integration with Automation Systems**

As part of Metso Automation s product line, the meter is designed to integrate seamlessly with SCADA systems, PLCs, and other industrial automation platforms. This facilitates real-time monitoring and control, improving process efficiency.

7. **Wide Measurement Range**

The meter can handle a broad range of flow rates, from low to high volumes, making it adaptable to different process requirements without needing frequent recalibration.

8. **Resistance to Clogging**

Because it measures flow without restricting the pipe (unlike orifice plates or venturi meters), the Neles A413721 is less prone to clogging, even with suspended solids in the fluid.

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#### **Cons**

1. **Limited to Conductive Fluids**

The magnetic flow meter relies on the fluid s conductivity to generate a measurable signal. Non-conductive liquids (e.g., oils, gases, or pure water) cannot be accurately measured with this meter, requiring alternative solutions for such applications.

2. **Higher Upfront Cost**

Compared to some other flow measurement technologies (e.g., ultrasonic or turbine meters), the Neles A413721 may have a higher initial purchase price. However, this is often offset by long-term reliability and lower maintenance costs.

3. **Installation Requirements**

Proper installation is critical for accuracy. The meter must be installed in a straight section of pipe with adequate upstream and downstream piping to avoid turbulence or swirl, which can affect readings. Improper installation can lead to measurement errors.

4. **Pressure Drop Limitations**

While the meter itself does not cause significant pressure drop, the need for straight-run piping around it may require additional piping modifications, which could impact system efficiency in some cases.

5. **Potential for Signal Noise in Turbulent Flow**

In applications with high turbulence or pulsating flow, the meter s signal may be affected, requiring additional signal conditioning or filtering to ensure accurate readings.

6. **Limited Suitability for High-Temperature or High-Pressure Extremes**

Although the meter is robust, extreme temperature or pressure conditions may require specialized materials or additional protection, potentially increasing costs.

7. **Calibration Dependency**

While magnetic flow meters are generally stable, periodic calibration may still be necessary to maintain accuracy, especially in critical applications where traceability is required.

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### **Conclusion**

The Neles A413721 magnetic flow meter is a high-performance solution for measuring conductive liquids in industrial applications where accuracy, durability, and low maintenance are priorities. Its strengths lie in its reliability, wide application range, and integration capabilities, making it ideal for water treatment, chemical processing, and power generation. However, its limitations such as the requirement for conductive fluids and higher initial cost must be carefully considered before purchase.

For applications involving conductive liquids in demanding environments, the Neles A413721 is a strong recommendation due to its proven track record and long-term cost efficiency. If the fluid is non-conductive or if the application involves extreme conditions not fully covered by the meter s specifications, alternative technologies (e.g., ultrasonic, Coriolis, or turbine meters) should be evaluated.

### **Recommendation**

- You are measuring conductive liquids (e.g., water, wastewater, acids, or alkalis).

- Your application requires high accuracy, low maintenance, and long-term reliability.

- The fluid conditions (temperature, pressure, and flow characteristics) align with the meter s specifications.

- Integration with automation systems is a priority.

- The fluid is non-conductive (e.g., oils, gases, or pure water).

- The application involves extreme temperatures or pressures beyond the meter s rated limits.

- Cost constraints make the higher upfront investment prohibitive without a clear long-term ROI.

For most industrial applications where conductive liquids are involved, the Neles A413721 remains a superior choice due to its balance of performance, durability, and ease of use.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Part Number A413721.

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: a413721 prices

• $89.98-$171.00

specifications sensoindustria:

• brand: Neles Controls Corp
• mpn: A413721

seller sensoindustria:

• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 1995 21

offer sensoindustria:

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

returns sensoindustria:

• time: 30 Days
• method: Money back
• policy: Returns Accepted
• paid by: Buyer

payments sensoindustria:

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

shipping sensoindustria:

• service: Standard
• type: Fixed
• cost: $12.90
• transit: 29-34 Days
• class: Standard

general sensoindustria:

• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
• condition: Used