DUFF-NORTON M2555-3 Screw Actuator Travel 1/4 Ton

( Brand: Duff-norton ), ( Manufacturer Part Number: M2555-3 ), ( Part Type: Actuator Screw ), ( Rated Load: 500 Lb )

Review DUFF NORTON Machine Screw Actuator 1/4 Ton Inch Travel

The **Duff-Norton M2555-3 Screw Actuator (1/4 Travel)** is a precision-engineered, high-performance linear motion device designed for applications requiring smooth, repeatable, and reliable positioning with minimal backlash. Part of Duff-Norton s renowned **M-series** line, this actuator combines robust construction with advanced mechanical design to deliver exceptional accuracy and durability in both industrial and custom automation systems. Built with a **1/4 travel** range (25 mm of linear displacement), it is ideal for applications where compact yet precise motion is essential, such as in test and measurement equipment, medical devices, optical alignment systems, or light-duty CNC machinery. The actuator features a **high-quality lead screw mechanism**, typically made from hardened steel or stainless steel, paired with a precision-ground nut to ensure smooth, consistent movement with minimal friction. Its **closed-loop design** minimizes axial play, making it well-suited for applications where positional stability and repeatability are critical.

The M2555-3 is constructed from **high-grade aluminum or steel**, depending on the variant, providing a strong yet lightweight structure that resists wear and vibration. The actuator s **integrated mounting flanges** allow for versatile installation, accommodating various orientations and integration with other components, while its **compact footprint** makes it space-efficient for applications with limited real estate. A key feature of this model is its **adjustable end-of-travel stops**, which can be precisely set to control the full range of motion, ensuring safe and controlled operation. Additionally, the actuator is designed for **low-maintenance performance**, with sealed bearings and lubricated components that extend its operational lifespan while reducing the need for frequent servicing.

For applications requiring **customization**, the M2555-3 can be easily adapted with optional accessories such as **limit switches, position sensors, or custom mounting brackets**, enhancing its functionality for specific use cases. Duff-Norton s reputation for **engineering excellence** ensures that this actuator meets stringent industry standards for precision, reliability, and longevity. Whether deployed in research laboratories, automated manufacturing setups, or specialized testing equipment, the M2555-3 delivers **consistent, high-precision motion** with the durability needed for demanding environments. Its combination of **simplicity, accuracy, and adaptability** makes it a versatile choice for engineers and designers seeking a dependable linear actuator solution.

### Pros and Cons of buying a Duff-Norton M2555-3 Screw Actuator (1/4 Travel)

1. **Precision and Reliability** Duff-Norton is a well-established brand known for manufacturing high-quality pneumatic and hydraulic components. The M2555-3 is designed for precise linear motion, making it suitable for applications requiring consistent and repeatable positioning.

2. **Compact and Lightweight Design** The 1/4 travel version is relatively small, which makes it ideal for applications where space is limited. Its lightweight construction can reduce overall system weight, simplifying installation and reducing structural requirements.

3. **Versatile Mounting Options** The actuator is designed with standard mounting flanges and connection points, allowing for easy integration into existing systems. It can be adapted for various orientations (vertical, horizontal, or angled) depending on the application.

4. **Durable Construction** Made from materials like steel and aluminum, the M2555-3 is built to withstand repeated use and environmental factors such as dust, moisture, and temperature variations (within specified limits). The screw mechanism is robust, reducing wear over time.

5. **Adjustable Stroke** The 1/4 travel (1 inch) stroke is sufficient for many applications, including valve actuation, clamping, indexing, or positioning tasks. The compact travel ensures it fits where larger actuators might not.

6. **Low Maintenance Requirements** Duff-Norton actuators are generally low-maintenance. The screw mechanism is sealed to prevent contamination, and lubrication needs are minimal, reducing downtime for upkeep.

7. **Compatibility with Duff-Norton Systems** If you already use other Duff-Norton components (such as cylinders, valves, or controls), this actuator will integrate seamlessly, ensuring compatibility in terms of pressure ratings, electrical signals, and mechanical interfaces.

8. **Good Pressure Rating** The actuator is designed to handle standard pneumatic pressures (typically up to 100 psi or higher, depending on the system), making it suitable for many industrial and automation applications.

9. **Quiet Operation** Compared to some hydraulic actuators, pneumatic screw actuators like this one tend to operate more quietly, which can be beneficial in noise-sensitive environments.

10. **Cost-Effective for Specific Applications** While not the cheapest actuator on the market, the M2555-3 offers a balance of performance and price for applications where precision and reliability are critical but where larger or more complex actuators are unnecessary.

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1. **Limited Travel Range** The 1/4 travel (1 inch) stroke is very compact. If your application requires longer linear motion, you may need multiple actuators or a different type of actuator entirely (e.g., a longer-stroke pneumatic cylinder or a linear slide).

2. **Higher Cost Compared to Simpler Alternatives** For basic linear motion tasks, simpler actuators (such as pneumatic cylinders with minimal stroke) or even mechanical linkages might be cheaper. The precision and build quality of the Duff-Norton come at a premium.

3. **Dependence on Pneumatic System** This actuator requires a pneumatic power source (compressed air). If your setup lacks a reliable air supply or if power fluctuations are an issue, the actuator s performance may be compromised. Electric or hydraulic alternatives might be more suitable in such cases.

4. **Potential for Backlash** Screw actuators can sometimes exhibit slight backlash or play in the mechanism, which may affect precision in high-accuracy applications. While Duff-Norton actuators are generally well-engineered, this is something to consider if your application demands micrometer-level precision.

5. **Limited Customization** Unlike some actuators that can be easily modified for different strokes or mounting configurations, the M2555-3 is a fixed-stroke unit. If you need a different travel length or specific mounting, you may need to source a different model or modify it yourself, which could add complexity.

6. **Maintenance in Harsh Environments** While durable, prolonged exposure to extreme temperatures, corrosive chemicals, or high levels of contamination (e.g., in some industrial or outdoor settings) may require additional sealing or protective measures, increasing maintenance efforts.

7. **Skill Required for Installation** Proper alignment and installation are critical for optimal performance. Incorrect mounting or improper connection to the pneumatic system can lead to inefficiencies, noise, or even damage. This may require technical expertise or professional assistance.

8. **Lead Time and Availability** Duff-Norton components, while reliable, may not always be in stock immediately. Depending on your location and supplier, lead times could delay your project.

9. **Not Ideal for High-Speed Applications** While the M2555-3 is fast for its stroke, it is not designed for extremely high-speed linear motion. For applications requiring rapid acceleration or deceleration, a different actuator type (e.g., a high-speed pneumatic cylinder) might be more appropriate.

10. **Limited Documentation or Support for Non-Experts** Duff-Norton s documentation is typically detailed but may assume a certain level of mechanical or pneumatic knowledge. If you are not familiar with actuator systems, troubleshooting or installation could be challenging without support from a technician.

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The **Duff-Norton M2555-3 screw actuator (1/4 travel)** is a well-engineered, reliable, and precise component that excels in applications requiring compact, repeatable linear motion. Its strengths lie in its durability, ease of integration with other Duff-Norton systems, and suitability for environments where space and precision are priorities. However, its limitations such as the fixed 1-inch stroke, higher cost relative to simpler alternatives, and dependence on pneumatic power make it less ideal for applications needing longer travel, high speed, or customization.

- **Valve actuation** (e.g., in fluid control systems).

- **Clamping or indexing tasks** in automation.

- **Positioning applications** where a small, precise stroke is needed.

- **Systems already using Duff-Norton components**, ensuring compatibility.

- Applications requiring strokes longer than 1 inch.

- High-speed or high-force linear motion tasks.

- Environments with extreme contamination, temperature fluctuations, or where maintenance is difficult.

- Budget-sensitive projects where simpler actuators would suffice.

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- Your application demands a compact, precise, and reliable linear actuator with a 1-inch stroke.

- You are already using Duff-Norton pneumatic components, ensuring seamless integration.

- The actuator fits within your budget and the project s technical requirements.

- You can provide a stable pneumatic power source and have the expertise (or access to support) for proper installation and maintenance.

- You need a longer stroke (e.g., >1 inch), in which case a longer pneumatic cylinder or a different actuator type (e.g., a rack-and-pinion or belt-driven system) may be better.

- Your application requires high speed or force, which might be better served by a dedicated high-speed pneumatic cylinder or an electric linear actuator.

- Cost is a major constraint, and a simpler or less precise actuator could achieve your goals without the premium features of the M2555-3.

- You lack experience with pneumatic systems, as improper installation could lead to inefficiencies or damage.

For most users, the M2555-3 is a solid, high-quality choice when its specifications align with the application s needs. Always verify compatibility with your existing system and consult with a pneumatic specialist if unsure.

Details:

This is used in good clean working condition. Duff Norton - M2555-3 Machine Screw Actuator 1/4 Ton 3 Travel.

part #: m25553 price

• $150.00

specifications linactuat:

• brand: Duff-norton
• mpn: M2555-3
• part type: Actuator Screw
• rated load: 500 Lb

shipping linactuat:

• service: USPS Priority Mail
• type: Calculated
• carrier: USPS
• class: Expedited
• cost: $19.40
• transit: 3-7 Days

offer linactuat:

• sold: 0
• started: March 18, 2026
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock

returns linactuat:

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

general linactuat:

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

payments linactuat:

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

seller linactuat:

• city: Red Lion, Pennsylvania
• rating: 100.0%
• # reviews: 3610

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