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  3. PHD RAS120X90-E-PB

PHD RAS120X90-E-PB Rotary Actuator Rotation 150PSI

Ras120x90-e-pb Phd Rotary Actuator 90 Rotation 150psi Tested Good

( Brand: Phd ), ( Manufacturer Part Number: RAS120X90-E-PB ), ( Part Type: Actuator ), ( Rotation Angle: 90 Degree )

Review PHD Rotary Actuator Rotation 150psi Tested Good

The **PHD RAS120x90-E-PB Rotary Actuator** is a high-performance, precision-engineered pneumatic rotary actuator designed for demanding industrial applications requiring reliable, high-torque motion over a full 90-degree rotation. Built with a robust **120mm bore size**, this actuator delivers exceptional force and stability, making it ideal for heavy-duty tasks such as valve operation, positioning systems, or automated machinery where consistent and repeatable angular movement is essential. The **150psi working pressure** ensures a powerful and efficient drive, capable of handling significant loads with minimal energy consumption, while its **double-acting design** allows for precise control in both clockwise and counterclockwise directions, enhancing versatility in automated processes.

Constructed from **high-grade aluminum alloy**, the RAS120x90-E-PB features a lightweight yet durable housing that resists wear and corrosion, ensuring long-term reliability even in harsh environments. The **piston rod**, reinforced with hardened steel, provides smooth and consistent motion, reducing friction and extending the actuator s operational lifespan. A **sealed shaft design** prevents contamination from entering the internal mechanism, while the **integrated position feedback system** (via the "-PB" suffix, indicating position sensor integration) enables real-time monitoring and precise control, making it suitable for integration into PLC-based or automated control systems. The actuator s **compact yet sturdy build** allows for easy installation in tight spaces, while its **universal mounting options** including flange, trunnion, or direct shaft coupling ensure compatibility with a wide range of mechanical setups.

Engineered for efficiency, the RAS120x90-E-PB incorporates **low-friction seals and optimized internal lubrication**, minimizing energy loss and reducing maintenance requirements. Its **modular design** allows for easy customization, including the addition of limit switches, potentiometers, or other accessories for enhanced functionality. Whether deployed in **industrial automation, HVAC systems, material handling, or specialized machinery**, this actuator delivers **consistent, high-torque performance** with minimal wear, making it a dependable choice for applications where precision and durability are critical. With its **sealed, corrosion-resistant construction** and **precise 90-degree rotation**, the PHD RAS120x90-E-PB is a versatile solution for industries demanding reliable, high-performance pneumatic actuation.

### **Pros and Cons of buying a PhD RAS120x90-E-PB Rotary Actuator (90 Rotation, 150 PSI)**

#### **Pros:**

1. **High Torque and Pressure Rating** The 150 PSI rating makes it suitable for medium-duty applications, including industrial automation, valve control, and robotic systems where reliable force is required.

2. **Precise 90 Rotation** The fixed 90 range provides consistent, repeatable motion, ideal for applications like linear-to-rotary conversion, valve actuation, or positioning tasks where exact angular displacement is needed.

3. **Compact and Lightweight Design** The 120mm length and 90mm diameter make it space-efficient, allowing integration into tight mechanical systems without excessive bulk.

4. **Electric Actuation (E-PB Model)** The electric variant eliminates the need for pneumatic hoses or hydraulic lines, reducing complexity and maintenance in automated systems.

5. **Modular and Adaptable** The design likely supports easy mounting via flanges, shafts, or custom adapters, making it versatile for different setups.

6. **Durable Construction** PhD actuators are generally built for longevity, with sealed internals to resist dust, moisture, and wear, extending operational life in harsh environments.

7. **Low Maintenance** Electric actuators typically require less upkeep than pneumatic/hydraulic counterparts, reducing downtime for routine servicing.

8. **Compatibility with Automation Systems** Works well with PLCs, CNC controls, or robotics due to its digital or analog control options (depending on the model variant).

9. **Cost-Effective for Specific Applications** For tasks requiring only 90 rotation, it may be more economical than a full 360 actuator or a linear actuator with additional conversion mechanisms.

10. **Quiet Operation** Electric actuators generally produce less noise compared to pneumatic alternatives, which is beneficial in cleanroom or sensitive environments.

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#### **Cons:**

1. **Limited Rotation Range** The fixed 90 range restricts its use to applications where only quarter-turn motion is needed. For tasks requiring full rotation or variable angles, a different actuator (e.g., 360 rotary or linear with gearing) would be necessary.

2. **Lower Torque at Higher Speeds** While it handles 150 PSI, electric rotary actuators may struggle with high-speed continuous operation due to thermal limits or motor torque drop-off, depending on the load.

3. **Potential Backlash or Play** Some rotary actuators, especially in the 90 range, may have slight mechanical play, which could affect precision in high-accuracy applications.

4. **Dependence on Power Supply** Requires a stable electrical source (e.g., 24V DC or 110V AC, depending on the model). Power outages or voltage fluctuations could halt operation.

5. **Higher Initial Cost Than Pneumatic Alternatives** Electric actuators may be more expensive upfront compared to pneumatic or hydraulic options, though long-term operational costs (e.g., no compressed air/hydraulic fluid needs) can offset this.

6. **Limited Customization for Heavy Loads** If the application involves very high torque or dynamic loads, a larger or specialized actuator (e.g., with a gearbox or servo motor) may be required.

7. **Potential Latency in Control** Unlike pneumatic actuators (which respond instantly to pressure changes), electric actuators may have slight delays in response due to motor inertia or control system processing.

8. **Warranty and Support Dependence** Quality of after-sales support varies by supplier. Some brands may offer robust warranties, while others could have limited regional service networks.

9. **Space Constraints for Mounting** While compact, the actuator s mounting requirements (e.g., shaft alignment, flange spacing) may necessitate additional structural modifications in retrofitting applications.

10. **Potential for Overheating in Continuous Use** Prolonged operation at maximum torque could lead to motor overheating, requiring cooling solutions (e.g., fans, duty cycles) in high-demand applications.

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### **Conclusion:**

The **PhD RAS120x90-E-PB rotary actuator** is a well-suited choice for applications requiring **precise 90 rotation, medium torque (150 PSI), and electric actuation** in compact spaces. Its advantages such as **low maintenance, quiet operation, and compatibility with automation systems** make it ideal for **industrial automation, valve control, robotic positioning, or linear-to-rotary conversion tasks**. However, its **fixed rotation range, potential torque limitations at high speeds, and higher upfront cost** may not align with applications needing **full rotation, extreme precision, or heavy-duty continuous operation**.

If your use case **strictly requires 90 motion, electric control, and a balance of torque and compactness**, this actuator is a strong recommendation. For **broader rotation needs or high-force applications**, alternatives like **360 rotary actuators, servo motors with gearheads, or pneumatic/hydraulic actuators** should be considered.

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### **Final Recommendation:** **Buy the PhD RAS120x90-E-PB if:**

- You need **exclusive 90 rotation** (e.g., for valve actuation, linear slide conversion, or robotic gripping).

- Your application benefits from **electric actuation** (no compressed air/hydraulic lines).

- The **150 PSI torque rating** meets your load requirements without excessive strain.

- **Space constraints** favor a compact, lightweight solution.

- **Low maintenance and automation compatibility** are priorities.

**Avoid or explore alternatives if:**

- You require **full 360 rotation** or variable angles.

- The application involves **extremely high torque, dynamic loads, or high-speed continuous operation**.

- **Cost sensitivity** is high, and pneumatic/hydraulic options could be more economical.

- **Ultra-high precision** (e.g., sub-millimeter repeatability) is critical, as backlash or motor latency may be issues.

**Consider pairing with:**

- A **gearbox or servo motor** if higher torque or smoother motion is needed.

- **Limit switches or encoders** for enhanced positional feedback.

- **A cooling solution** (e.g., forced air) if continuous high-torque operation is expected.

For most **medium-duty, 90 -specific applications**, this actuator delivers a **reliable, efficient, and low-friction solution**. Always verify the **specific torque requirements, environmental conditions, and control system compatibility** with the manufacturer s datasheet before purchase.

Details:

I HAVE 2 OF THESE IN STOCK. Rotation Angle: 90. Phd Rotary Actuator. Pressure: 150PSI Max.

Specifications: model #: RAS120x90-E-PB.

part #: ras120x90e price

  • $300.00

specifications linactuat:

  • brand: Phd
  • mpn: Ras120x90-e-pb
  • part type: Actuator
  • rotation angle: 90 Degree

payments linactuat:

  • wallet: Google-pay
  • credit card: Diners-club
  • other

general linactuat:

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

seller linactuat:

  • rating: 100.0%
  • # reviews: 59
  • city: Stoughton, Wisconsin

shipping linactuat:

  • transit: 4-10 Days
  • service: USPS Ground Advantage
  • type: Calculated
  • class: Standard
  • cost: $0.00
  • carrier: USPS

returns linactuat:

  • policy: No Returns

offer linactuat:

  • started: May 5, 2026
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
part type: actuator, rotation angle: 90 degree,
category: business & industrial > industrial automation motion controls > rotary linear motion > rotary actuators, sku: 14548201575394752,
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