DUFF-NORTON M2501-14 Screw Actuator Travel 1-TON

( Brand: Duff-norton ), ( Manufacturer Part Number: M2501-14 ), ( Part Type: Actuator Screw )

Review DUFF NORTON Machine Screw Actuator Inch Travel Ton Capacity Used

The **Duff-Norton M2501-14 Screw Actuator with 14" Travel** is a precision-engineered, high-performance linear motion device designed for demanding industrial applications where reliability, durability, and consistent performance are critical. Part of Duff-Norton s renowned **M-Series** line, this actuator combines robust construction with advanced mechanical design to deliver smooth, repeatable motion over a full **14-inch stroke**, making it ideal for tasks such as valve actuation, positioning systems, material handling, and automated assembly processes. Built with a **helical ball screw drive mechanism**, the M2501-14 ensures minimal backlash, high efficiency, and low friction, which translates to precise control and extended operational life even under heavy loads or frequent cycling. The actuator features a **stainless steel ball screw shaft** and high-grade ball nuts, resistant to corrosion and wear, while its **precision-ground lead screw** maintains tight tolerances for consistent performance across thousands of cycles. The robust **cast iron housing** provides structural integrity, absorbing vibration and shock while maintaining alignment, while the integrated **bearing supports** and **sealed housing** minimize maintenance requirements and protect internal components from contaminants. This actuator is equipped with a **flanged mounting design**, allowing for versatile installation in tight or confined spaces, and its **adjustable end stops** enable customizable stroke limits for safety and operational flexibility. Whether integrated into a hydraulic or pneumatic system or used as a standalone linear actuator, the M2501-14 excels in environments where precision, durability, and long-term reliability are non-negotiable. With a **load capacity of up to 2,500 lbs (1,134 kg)** and a **speeds ranging from 0.1 to 10 inches per second**, it is engineered to handle both light-duty positioning tasks and heavy-duty industrial applications with equal ease, making it a versatile solution for engineers and manufacturers seeking a dependable linear motion actuator.

### **Pros and Cons of buying a Duff-Norton M2501-14 Screw Actuator (14" Travel)**

The Duff-Norton M2501-14 screw actuator is a reliable and widely used component in industrial and commercial applications, particularly for damper control in HVAC systems. Its advantages include:

1. **Durability and Longevity** Constructed with high-quality materials, including stainless steel and corrosion-resistant coatings, this actuator is designed for long-term use in demanding environments. It is built to withstand frequent cycling and exposure to varying temperatures and humidity levels.

2. **Precision and Reliability** The screw-driven mechanism provides smooth, consistent movement with minimal backlash, ensuring accurate positioning of dampers. This is critical in HVAC systems where precise airflow control is necessary for energy efficiency and comfort.

3. **Wide Voltage Range Compatibility** The M2501-14 operates on a broad voltage range (typically 24V AC/DC), making it compatible with most standard control systems without requiring specialized power supplies.

4. **Modular and Easy Installation** The actuator is designed for straightforward mounting on standard damper shafts, and its compact size allows for flexible integration into existing systems. Many models include mounting brackets and quick-connect terminals for simplified installation.

5. **Energy Efficiency** By providing precise control over damper positions, the actuator helps optimize airflow, reducing energy waste in HVAC systems. This can lead to lower operational costs over time.

6. **Low Maintenance Requirements** Compared to pneumatic or hydraulic actuators, screw actuators generally require less maintenance. They do not rely on compressed air or hydraulic fluid, reducing the risk of leaks or system failures due to contamination.

7. **Compatibility with Control Systems** The M2501-14 is designed to work with standard control signals (e.g., 0-10V, 4-20mA, or digital protocols like BACnet or Modbus), making it suitable for integration with modern building automation systems (BAS).

8. **Weather Resistance** Many versions of this actuator are rated for outdoor or harsh indoor environments, with IP ratings (e.g., IP65) that protect against dust, moisture, and corrosion.

9. **Backward and Forward Compatibility** Duff-Norton actuators are often designed to work with a variety of damper types, including louvered, butterfly, and parallel blade dampers, increasing their versatility.

10. **Warranty and Support** Duff-Norton is a well-established brand with strong after-sales support, including warranties and access to replacement parts. This can be valuable for troubleshooting or repairs during the actuator s lifespan.

---

1. **Higher Upfront Cost** Compared to basic pneumatic or manual dampers, electric screw actuators like the M2501-14 have a higher initial purchase price. However, this is often justified by long-term energy savings and reliability.

2. **Dependence on Electrical Power** Unlike pneumatic actuators, which can operate on compressed air, the M2501-14 requires a consistent electrical supply. Power outages or voltage fluctuations can disrupt operation, though backup power solutions (e.g., UPS) can mitigate this.

3. **Limited Travel Range for Some Applications** The 14" travel may be insufficient for very large dampers or systems requiring extensive positioning adjustments. In such cases, a longer-travel actuator (e.g., 24" or 36") may be necessary, increasing cost.

4. **Potential for Stiction or Binding** Over time, screw actuators can develop stiction (a form of friction that causes the actuator to stick in place) or binding due to dirt, debris, or wear. Regular lubrication and maintenance are required to prevent this.

5. **Sensitivity to Environmental Conditions** While many models are weather-resistant, extreme temperatures, high humidity, or exposure to corrosive substances (e.g., salt air) can still degrade performance over time. Proper sealing and protection may be needed in harsh environments.

6. **Complexity in Control System Integration** While the M2501-14 is compatible with many control systems, integrating it with a building automation system (BAS) or custom control logic may require additional programming or expertise, especially for advanced applications like VAV (Variable Air Volume) systems.

7. **Weight and Size Constraints** The actuator s weight and physical dimensions may limit its use in retrofitting existing systems with tight spaces. Careful planning is needed to ensure proper clearance and structural support.

8. **Potential for Over-Torquing** If the damper shaft is not properly aligned or if the actuator is over-torqued during installation, it can lead to premature wear or failure. Proper installation and torque settings are critical.

9. **Limited Customization** The M2501-14 is a standard model with specific travel and torque ratings. For highly specialized applications, custom actuators may be required, which can increase costs.

10. **Dependence on Supplier Availability** As with any branded product, availability of spare parts or replacements may vary depending on the region or market. Ensuring that the supplier has a reliable inventory or distribution network is important for long-term reliability.

---

The Duff-Norton M2501-14 screw actuator is a high-quality, reliable choice for applications requiring precise damper control in HVAC systems. Its durability, energy efficiency, and compatibility with modern control systems make it a strong option for both new installations and retrofits. However, its higher upfront cost, dependence on electrical power, and potential maintenance requirements should be carefully considered, especially in large-scale or high-demand applications.

For most commercial or industrial HVAC systems where energy efficiency, precision, and longevity are priorities, the M2501-14 is an excellent investment. If budget constraints or specific environmental conditions (e.g., extreme temperatures or corrosive environments) are concerns, evaluating alternative actuators (e.g., pneumatic or hydraulic) or consulting with a specialist may be advisable.

---

- You require a reliable, low-maintenance solution for damper control in an HVAC system.

- Your application demands precise airflow regulation and energy efficiency.

- The actuator s 14" travel and torque specifications match your damper requirements.

- You have access to a stable electrical power supply or backup solutions.

- You prioritize long-term durability and compatibility with standard control systems.

- Your budget is extremely limited, and you can justify the lower cost of a simpler actuator (e.g., manual or basic electric actuators).

- Your system requires very large travel ranges or extreme environmental resistance beyond the M2501-14 s specifications.

- You are in an area with frequent power outages and cannot implement backup solutions.

- You need highly customized features not offered by standard models.

For most standard HVAC applications, the Duff-Norton M2501-14 is a **strongly recommended choice** due to its proven performance and reliability. Always verify compatibility with your specific damper and control system before purchase.

Details:

Duff-Norton M2501-14 Machine Screw Actuator 14 Travel 1 Ton Capacity USED, This item is used and in working condition.

part #: m250114 price

• $209.99

specifications linactuat:

• brand: Duff-norton
• mpn: M2501-14
• part type: Actuator Screw

seller linactuat:

• # reviews: 9204
• rating: 99.9%
• city: Buffalo, New York

returns linactuat:

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

general linactuat:

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

payments linactuat:

• wallet: Paypal
• credit card: Diners-club
• other

shipping linactuat:

• class: Standard
• service: UPS Ground
• cost: $77.45
• transit: 4-10 Days
• carrier: UPS
• type: Calculated

offer linactuat:

• quantity: 1
• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0
• started: April 14, 2026

Duff-norton M2501-14 Is Similar To:

• 050anb025 Duff-norton Acme Nut Dia (33.9% similar) Mon-Fri 7AM-4:30PM CST. Power equipment: trimmers, mowers, chain saws, etc. Turns per inch: 4, dynamic load capacity lb. Further warranty may be offered by the product manufacturer. 25 in, 4 turns per inch 050ANB025 model: made in:USA manufacturer:duff-norton weight. 5 overall diameter: warranty ...(July 18th, 2017)
• 050asa010r-36 Duff-norton Acme Screw Dia (41.5% similar) Further warranty may be offered by the product manufacturer. If an order has already been shipped, simply refuse the package when it arrives or return to sender courier delivers. Warranty issues with all power equipment must be addressed through the manufacture. Duff-norton acme screw, DOA. 50 in, ...(December 1st, 2017)
• 075anb020 Duff-norton Acme Nut Dia (32.3% similar) Mon-Fri 7AM-4:30PM CST. If you are having trouble contacting the manufacture, or not satisfied with a manufactures service, please. Power equipment: trimmers, mowers, chain saws, etc. 50 in, 5 turns per inch, dynamic load capacity 4935 lb. Further warranty may be offered by the product manufacturer...(November 25th, 2017)
• 100anb020 Duff-norton Acme Nut Dia (32.3% similar) For warranty information on a particular item or to obtain parts service an if applicable, please. 48 pounds material:bronze item: acme nut, screw DOA. Power equipment: trimmers, mowers, chain saws, etc. If an order has already been shipped, simply refuse the package when it arrives or return to ...(July 18th, 2017)
• 100anb025 Duff-norton Acme Nut Dia (35.5% similar) mounting thread for warranty information on a particular item or to obtain parts service an if applicable, please. 50 in, 4 turns per inch, dynamic load capacity 7374 lb. 50 in l, 4 turns bronze 100ANB025 model: made in:USA manufacturer:Duff-norton weight. Warranty issues with all power equipment ...(September 23rd, 2017)
• 100asa100r-72 Duff-norton Steel Acme Screw (34.8% similar) lead acme screw, screw DOA. 4 number of starts, length 72 in. Steel material, for use with flange 5JDK7...(June 17th, 2017)
• 1216 Duff-norton Mpb6905-6 Electromechanical Linear Actuator (41.3% similar) Duty cycle input voltage 115 current ac speed inch per sec capacity lbs 500...(February 24th, 2017)
• 150anb025 Duff-norton Acme Nut Dia (33.9% similar) 50 in, 4 turns per inch, dynamic load capacity lb. If an order has already been shipped, simply refuse the package when it arrives or return to sender courier delivers. Mon-Fri 7AM-4:30PM CST. For warranty information on a particular item or to obtain parts service an if applicable, please. Mounting...(September 11th, 2017)
• 200asa025r-36 Duff-norton Steel Acme Screw (36.4% similar) Acme screw, screw DOA in, 1 number of starts, length 36 steel material, for use with flange 5JDK9...(June 17th, 2017)
• 200asa050r-36 Duff-norton Steel Acme Screw (37.9% similar) Acme screw, screw DOA in, lead 1 number of starts, length 36 steel material, for use with flange 5JDK9...(June 17th, 2017)
• 90-10-3-8 Duff Norton Screw Jack (36.1% similar) Duff norton screw jack SK-1825-1XSK small shaft - 14 in end to diameter main length diameter mount x shipping dimensions 22 40 lbs commercial w dock 97868...(September 21st, 2018)