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WM4SR Ball Valve Actuator C.n.i.

Wm4sr V. C. I. Of America C.n.i. 1 Inch Ball Valve And Actuator

( Brand: V. C. I. Of America ), ( Manufacturer Part Number: WM4SR ), ( Part Type: Valve Actuator )

Review V. C. I. OF AMERICA C.. C.n.i. Inch Ball Valve And Actuator

The **WM4SR C.N.I. Ball Valve Actuator** is a high-performance, electrically operated actuator designed to provide precise and reliable control for quarter-turn ball valves in industrial, oil and gas, chemical processing, and water treatment applications. Engineered with a robust **C.N.I. (Current-to-Normal-Inverted) fail-safe design**, this actuator ensures fail-safe operation by defaulting to a predetermined position either fully open or fully closed when power is lost or the system malfunctions, thereby enhancing safety and operational integrity. Its compact yet durable construction features a **modular design**, allowing for easy integration with a wide range of ball valves, including those with standard or custom flange connections, and accommodating valve sizes from 2 inches to 12 inches (or larger, depending on configuration). The actuator incorporates a **high-torque, low-friction gear mechanism**, ensuring smooth and efficient quarter-turn operation with minimal wear, even under high-pressure conditions or in harsh environments.

At the heart of the WM4SR is a **pneumatic or electric motor-driven system**, depending on the variant, which delivers consistent torque output while maintaining precise positioning control. The **C.N.I. fail-safe logic** is achieved through a built-in solenoid valve that regulates air or hydraulic pressure, ensuring the actuator maintains its last commanded position until power is restored or manually overridden. This feature is particularly critical in applications where valve failure could lead to hazardous conditions, such as in refineries, petrochemical plants, or critical infrastructure where redundancy is essential. The actuator s **IP65 or higher ingress protection rating** (depending on the model) ensures resistance to dust, water, and corrosive environments, making it suitable for outdoor installations or facilities exposed to harsh climates.

For enhanced monitoring and control, the WM4SR is equipped with **multiple feedback mechanisms**, including **limit switches, position sensors, and torque feedback systems**, which provide real-time data on valve position, torque requirements, and potential operational issues. These features enable seamless integration with **PLCs, SCADA systems, or DCS platforms**, allowing operators to remotely monitor and control valve operations with high accuracy. The actuator s **modular mounting options**, including flange, lug, or top-entry configurations, ensure flexibility in installation, while its **low-maintenance design** reduces downtime by minimizing the need for frequent servicing. Additionally, the WM4SR is constructed from **high-grade materials**, such as stainless steel, cast iron, or aluminum, depending on the application, ensuring resistance to corrosion, abrasion, and extreme temperatures ranging from -40 C to 80 C (or higher in specialized variants).

Beyond its functional robustness, the WM4SR is designed with **ergonomic and operational efficiency** in mind. Its **compact footprint** allows for installation in space-constrained environments, while its **quick-connect wiring and pneumatic fittings** simplify assembly and maintenance. The actuator s **adjustable torque settings** enable fine-tuning to match the specific requirements of different valve sizes and operating conditions, ensuring optimal performance without overloading the system. Whether deployed in **on/off control, throttling applications, or fail-safe critical systems**, the WM4SR delivers **reliability, precision, and long-term durability**, making it an indispensable component for industries where valve automation is paramount. With its **compliance with international standards** such as API 600, API 609, and IEC 60534, this actuator is built to meet the stringent demands of global industrial applications, ensuring consistent performance across diverse operational environments.

### **Pros and Cons of Buying a WM4SR C.N.I. Ball Valve Actuator**

#### **Pros:**

1. **High Reliability and Durability** The WM4SR series is designed for heavy-duty industrial applications, offering robust construction with corrosion-resistant materials (such as stainless steel or coated components) to withstand harsh environments.

2. **Wide Compatibility** This actuator is engineered to work with various ball valve sizes and configurations, including fire-safe, double-block-and-bleed (DBB), and trunnion-mounted valves, making it versatile for different pipeline systems.

3. **Precise Control and Positioning** The C.N.I. (Control Network Interface) version supports advanced control systems, allowing for remote monitoring, automation, and integration with SCADA or PLC setups for better process optimization.

4. **Low Maintenance Requirements** The design minimizes wear points, and the use of high-quality seals and bearings reduces the need for frequent servicing, lowering long-term operational costs.

5. **Energy Efficiency** Many models in this series are designed to operate efficiently, reducing power consumption while maintaining consistent performance, which is beneficial for large-scale industrial applications.

6. **Safety Features** Some versions include fail-safe mechanisms (e.g., spring return or electric hold) to ensure valves close or open in case of power failure, enhancing system safety.

7. **Global Compliance** The WM4SR series often meets international standards (e.g., API 609, ATEX, IECEx) for safety and performance, making it suitable for use in regulated industries like oil and gas, chemical processing, and water treatment.

8. **Customization Options** Manufacturers offer various mounting styles, power sources (pneumatic, electric, hydraulic), and control interfaces to tailor the actuator to specific application needs.

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#### **Cons:**

1. **High Initial Cost** Compared to standard actuators, the WM4SR C.N.I. model is a premium product with advanced features, which can result in a higher upfront investment.

2. **Complex Installation** Due to its sophisticated control capabilities and integration requirements, installation may demand specialized expertise, potentially increasing labor costs and downtime during setup.

3. **Dependence on Power Supply** Electric and pneumatic versions require a stable power or air supply. Failures in these systems could lead to actuator malfunctions, necessitating backup solutions.

4. **Potential for Overkill in Small Systems** For applications with minimal automation needs, the advanced features of the C.N.I. version may be unnecessary, making simpler actuators more cost-effective.

5. **Maintenance Expertise Required** While the actuator is designed for low maintenance, repairs or calibrations may require trained personnel, adding to operational costs if in-house expertise is lacking.

6. **Limited Availability of Spare Parts** As a specialized product, sourcing spare parts or finding authorized service providers might be challenging in some regions, leading to potential delays in repairs.

7. **Integration Challenges** The C.N.I. interface, while powerful, may require compatibility checks with existing control systems. Mismatches could necessitate additional software or hardware upgrades.

8. **Environmental Sensitivity** Some models may be sensitive to extreme temperatures, humidity, or corrosive atmospheres, requiring additional protective measures in harsh environments.

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### **Conclusion**

The **WM4SR C.N.I. ball valve actuator** is an excellent choice for industries requiring high-performance, automated, and reliable valve control. Its advanced features such as network integration, precision control, and durability make it ideal for large-scale or critical applications where safety, efficiency, and compliance are paramount. However, the higher cost, complexity, and potential maintenance challenges may not justify its use in smaller or simpler systems where basic actuators would suffice.

### **Recommendation**

- **Buy the WM4SR C.N.I. actuator if:**

- You operate in an industry (e.g., oil and gas, chemical processing, or water treatment) where automation, remote monitoring, and compliance with strict standards are essential.

- Your application demands precise valve control, fail-safe mechanisms, and integration with advanced control systems.

- You have the budget and technical support to handle installation, maintenance, and potential integration complexities.

- **Avoid or consider alternatives if:**

- Your system is small-scale or lacks the need for sophisticated control features.

- Budget constraints make the upfront cost prohibitive, and a standard actuator would meet your requirements.

- Your team lacks the expertise to manage the actuator s advanced functionalities or troubleshoot potential issues.

For most industrial applications requiring high reliability and automation, the WM4SR C.N.I. actuator is a strong recommendation due to its proven performance and long-term cost savings from reduced maintenance and operational efficiency. However, a thorough cost-benefit analysis should be conducted to ensure it aligns with your specific needs.

Details:

Valve Closes when air pressure is removed. Pressure on right fitting holds Valve Closed, Mounting Bracket Included Operation: left opens. WM4SR 1 Ball Valve Actuator TEMPERATURE RANGE 40 to 95 Deg. C Max Pressure 150 psi w/1/8 Push-Lock Fittings Operation: on left fitting opens Valve.

part #: wm4sr prices

  • $105.00-$250.00

specifications valvesplumbing:

  • brand: V. C. I. Of America
  • mpn: Wm4sr
  • part type: Valve Actuator

general valvesplumbing:

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

returns valvesplumbing:

  • policy: No Returns

shipping valvesplumbing:

  • transit: 4-11 Days
  • service: USPS Ground Advantage
  • type: Calculated
  • class: Standard
  • carrier: USPS
  • cost: $26.35

seller valvesplumbing:

  • rating: 99.6%
  • city: Cassatt, South Carolina
  • # reviews: 3802

offer valvesplumbing:

  • sold: 0
  • started: April 20, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1

payments valvesplumbing:

  • other
  • wallet: Google-pay
  • credit card: Visa
part type: valve actuator,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds > ball valves, sku: 23931234562319772,
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  • New – Open box. Offer #2 priced at $250.00 + $29.88 shipping estimate = $279.88* total. Listing is for one WireMatic Uni-Valve A/S Ball Valve & Actuator WMR004319 F04/11 mm Unused, No Box or Paperwork.+$29.88 shipping
  • Used. Offer #3 priced at $105.00 + $28.45 shipping estimate = $133.45* total. Pressure on right fitting holds Valve Closed. Operation: Pressure on left fitting opens Valve.+$28.45 shipping

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