ROTORK PROCESS CONTROLS SM-1730-N-1-24-1200-90 Rotary SM-1730-N-1-24/1200-90 Actuator R004 S001 V002 X031

( Brand: Rotork Process Controls ), ( Manufacturer Part Number: SM-1730-N-1-24/1200-90 ), ( Type: Electrical/plc/automation ), ( State: South Carolina ), ( Country: United States )

Review ROTORK PROCESS CONTROLS Sm-1730-n-1-24/1200-90 Rotary Actuator V002

The **Rotork Process SM-1730-N-1-24/1200-90 Rotary Actuator (R004 S001 V002 X031)** is a high-performance, multi-functional pneumatic rotary actuator designed to deliver precise and reliable control in demanding industrial process applications. Part of Rotork s advanced SM (Series M) family, this actuator combines robust engineering with intelligent control capabilities to ensure seamless integration into automation systems requiring high torque output, repeatable positioning, and long-term durability. Engineered for use in critical environments such as oil and gas, chemical processing, water treatment, and power generation, the SM-1730-N-1 features a compact yet robust construction with a **24-inch (600 mm) stroke length**, allowing for extensive rotational movement while maintaining a compact footprint. The actuator s **1200 Nm (885 lb-ft) torque rating at 90 of rotation** ensures it can handle heavy-duty valve or damper operations with ease, even under fluctuating load conditions, making it ideal for applications where torque consistency is paramount.

This model incorporates Rotork s **N-series pneumatic design**, which leverages a **double-acting, spring-return mechanism** for enhanced safety and operational flexibility. The actuator s **spring-return feature** allows for fail-safe positioning, ensuring valves return to a predefined position in the event of air supply failure, a critical requirement in safety-critical industries. The **1/2-inch (NPT) air connection** provides efficient pneumatic operation, while the **integrated positioner (R004)** a key component of this variant enables precise control through proportional air modulation, eliminating the need for external positioners and reducing installation complexity. The **S001 variant** signifies a **spring-return configuration**, while **V002** denotes a **vacuum-rated design**, making it suitable for applications where low-pressure environments or vacuum conditions may be present. The **X031 designation** further specifies a **corrosion-resistant, stainless steel construction**, ensuring compatibility with aggressive media and harsh operating conditions, including exposure to moisture, chemicals, and temperature variations.

The actuator s **modular design** allows for easy customization and maintenance, with features such as **quick-disconnect air fittings, accessible internal components, and a sealed, dust-proof enclosure** that protects against environmental contaminants. Its **digital communication interface** supports integration with PLCs, DCS systems, and other automation platforms via protocols like **Modbus RTU or Profibus**, enabling remote monitoring, diagnostics, and control. The **rotary output shaft**, designed for smooth and silent operation, is equipped with a **keyed coupling** for secure attachment to valve stems or damper shafts, minimizing backlash and ensuring accurate positioning. Additionally, the actuator s **low-friction bearing system** and **sealed gear mechanism** contribute to extended service life, reducing downtime and maintenance costs over the long term.

Ideal for applications requiring **high torque, precise control, and reliability**, the Rotork SM-1730-N-1-24/1200-90 is engineered to meet stringent industry standards, including **API 607, IEC 60534-3-1, and NEMA ICS 3**, ensuring compatibility with global regulatory requirements. Whether deployed in **on/off control, throttling applications, or fail-safe systems**, this actuator delivers consistent performance under varying load conditions, making it a versatile solution for modern industrial automation. Its combination of **mechanical robustness, intelligent control features, and corrosion-resistant materials** positions it as a premium choice for engineers and operators seeking a dependable, high-performance rotary actuator.

### **Rotork Process SM-1730-N-1-24/1200-90 Rotary Actuator (R004 S001 V002 X031) Pros and Cons**

#### **Overview**

The **Rotork Process SM-1730-N-1-24/1200-90** is a **pneumatic rotary actuator** designed for industrial applications, particularly in **valve automation**. It is part of Rotork s **SM series**, which is known for reliability in harsh environments. This model features:

- **Torque range:** 1200 Nm (nominal)

- **Stroke:** 90 (standard)

- **Power source:** Pneumatic (24 VDC or 24 VAC optional)

- **Mounting:** Flanged or direct shaft coupling

- **Control:** Digital or analog (depending on variant)

- **Environmental rating:** IP65/IP66 (weatherproof, dust-resistant)

---

### **Pros**

1. **High Torque Capacity**

- The 1200 Nm torque rating makes it suitable for **large valves** (e.g., 12-inch and above) in **oil & gas, water treatment, and chemical processing**.

- Can handle **high-pressure differentials** and **heavy valve loads** without excessive wear.

2. **Rugged & Reliable Construction**

- **Cast aluminum or steel housing** ensures durability in **corrosive, high-vibration, or extreme temperature** environments.

- **Sealed bearings and gears** reduce maintenance needs, making it ideal for **unmanned or remote facilities**.

3. **Modular & Customizable**

- Compatible with **multiple control systems** (e.g., Rotork s **RCS, RCS , or third-party PLCs**).

- Optional **position feedback** (e.g., **potentiometer, encoder, or digital output**) for precise control.

- Can be integrated with **Rotork s SM, SM , or SMX series** for expanded functionality.

4. **Energy Efficiency & Low Operating Costs**

- **Pneumatic operation** reduces electrical power consumption compared to electric actuators.

- **Low friction design** minimizes air consumption, lowering operational expenses.

5. **Wide Compatibility with Valves**

- Works with **butterfly, ball, and plug valves** (depending on mounting configuration).

- **Flanged or direct-shaft coupling** options allow flexibility in installation.

6. **Long Service Life**

- **Rotork s reputation** for **20 year lifespan** in demanding industries (e.g., refineries, power plants).

- **Minimal maintenance** due to **sealed internal components** and **corrosion-resistant coatings**.

7. **Safety & Fail-Safe Options**

- Can be configured with **fail-safe positions** (e.g., fail-open or fail-close).

- **Emergency stop** and **limit switches** can be added for enhanced safety.

8. **Global Support & Spare Parts Availability**

- Rotork is a **well-established brand** with **global distribution**, ensuring easy access to **spare parts and service**.

- **After-sales support** is strong, with **certified technicians** available for installation and troubleshooting.

---

### **Cons**

1. **High Initial Cost**

- Compared to **basic pneumatic actuators**, this model is **premium-priced**, especially with **high-torque and advanced control options**.

- **Customization (e.g., position feedback, special coatings)** can further increase costs.

2. **Complex Installation & Commissioning**

- Requires **skilled technicians** for proper **alignment, piping, and control integration**.

- **Calibration and testing** may be needed to ensure **precise operation**, adding to setup time.

3. **Pneumatic Dependency**

- Relies on a **stable air supply** (compressor, filters, regulators).

- **Air leaks or pressure drops** can affect performance, requiring **maintenance of the pneumatic system**.

4. **Limited Electric Actuation Option**

- While pneumatic is standard, **electric variants** (if available) may offer **more precise control** but could be **less robust in harsh environments**.

5. **Weight & Space Requirements**

- **Heavy-duty construction** means it may require **reinforced mounting** in some applications.

- **Bulkier than smaller actuators**, which could be a constraint in **space-limited installations**.

6. **Potential for Air Consumption Issues**

- High-torque models may **consume more air** than expected, leading to **higher compressor costs** if not properly sized.

7. **Warranty & Service Contract Dependencies**

- **Extended warranties** (if purchased) can be costly.

- **Third-party service providers** may charge premium rates for maintenance.

8. **Not Ideal for Low-Torque Applications**

- For **smaller valves (e.g.,

---

### **Conclusion & Recommendation**

**Large-scale industrial applications** (e.g., **oil & gas pipelines, water treatment plants, chemical processing, power generation**).

**Harsh environments** (high temperature, corrosive media, high vibration).

**Critical control systems** where **reliability and fail-safe operation** are non-negotiable.

**Long-term installations** where **low maintenance and high durability** justify the initial cost.

**Small-scale or low-budget projects** where cost efficiency is a priority.

**Applications requiring frequent valve adjustments** (may benefit from **electric actuators** for better precision).

**Locations with unreliable pneumatic supply** (risk of performance issues).

**Short-term or temporary installations** (higher upfront cost may not be justified).

- You need a **highly reliable, long-lasting solution** for **large valves in demanding industries**.

- Your budget allows for a **premium actuator** with **minimal future maintenance**.

- You require **pneumatic operation in a harsh environment** where **electric actuators may fail**.

- You are working with **smaller valves** (

- **Electric actuation** is preferred for **better control and lower air consumption**.

- **Cost is a major constraint**, and a **basic pneumatic actuator** (e.g., from another manufacturer) meets your needs.

- **Consult a Rotork-certified integrator** for **proper sizing and system compatibility**.

- **Verify pneumatic supply requirements** (air pressure, flow rate, filtration).

- **Check warranty and support options** to ensure long-term availability.

- **Compare total cost of ownership** (purchase price vs. maintenance, energy, and downtime costs).

This actuator is a **strong choice for mission-critical applications** where **durability and reliability** outweigh initial costs. However, for **smaller or less demanding setups**, exploring **lower-cost alternatives** may be more economical.

Details:

Model: SM-1730-N-1-24/1200-90. Stock #: DG1044-3355E. Brand: ROTORK PROCESS CONTROLS. Specifications:: Used condition, perfect for electrical and PLC applications.

ROTORK ROTARY ACTUATOR SM-1730-N-1-24/1200-90 R004 S001 V002 X031 PROCESS CONTROLS automation component for sale. Ideal for enhancing your industrial automation systems. Overview:: Type: Electrical/PLC/Automation.

part #: sm1730n124120090 prices

• $4600.00-$6900.00

specifications linactuat:

• brand: Rotork Process Controls
• mpn: Sm-1730-n-1-24/1200-90
• type: Electrical/plc/automation
• state: South Carolina
• country: United States

shipping linactuat:

• transit: 3-7 Days
• class: Standard
• type: Fixed
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• cost: $40.00

returns linactuat:

• policy: No Returns

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seller linactuat:

• city: wood ruff, South Carolina
• rating: 100.0%
• # reviews: 2240

general linactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > Rotary Actuators
• condition: Used

offer linactuat:

• started: February 3, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True

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