FESTO DNCT-80-20-A-SA Double Acting Tandem Pneumatic M241 Cylinder 19879

( Brand: Festo ), ( Manufacturer Part Number: DNCT-80-20-A-SA ), ( Part Type: Pneumatic Cylinder )

Review FESTO Double acting Tandem Pneumatic Cylinder 1987 Used

The **Festo DNCT-80-20-A-SA M241 double-acting tandem pneumatic cylinder (part number 19879)** is a high-performance, precision-engineered actuator designed for demanding industrial applications where reliability, efficiency, and compact design are paramount. Part of Festo s renowned **M241 series**, this tandem cylinder combines two independent piston rods in a single housing, delivering exceptional force output and stroke length in a space-efficient configuration. With a **nominal bore diameter of 80 mm (3.15 inches)** and a **stroke of 200 mm (7.87 inches)**, it generates substantial linear motion, making it ideal for heavy-duty tasks such as clamping, pressing, indexing, or material handling in automation systems. The **double-acting design** ensures bidirectional control, allowing for precise positioning in both extension and retraction phases, while the **tandem configuration** enhances rigidity and reduces deflection under load, ensuring consistent performance even at high pressures.

Constructed from high-quality materials, this cylinder features a **durable aluminum housing** with reinforced end caps and a **stainless steel rod** (SA variant) for superior corrosion resistance, making it suitable for harsh environments, including those exposed to moisture, chemicals, or temperature fluctuations. The **sealing system** incorporates Festo s advanced **V-ring seals and wiper lips**, which minimize friction, extend service life, and prevent contamination from entering the cylinder s internal components. Additionally, the **integrated magnetic position sensor** (M241 series standard) provides real-time feedback on the piston s exact position, enabling seamless integration with PLCs, CNC machines, or other control systems for automated processes.

The **DNCT series** is engineered with **low-friction design principles**, including optimized piston guides and a **low-maintenance lubrication system**, reducing wear and energy consumption while maintaining smooth operation. The cylinder s **quick-release coupling** simplifies installation and maintenance, allowing for rapid disassembly without tools, while the **standard ISO 15552 mounting flange** ensures compatibility with a wide range of industrial fixtures and frames. Whether deployed in **packaging machinery, robotics, medical equipment, or material processing**, this cylinder delivers **consistent force output, precise repeatability, and long-term durability**, making it a trusted choice for engineers seeking a robust yet compact pneumatic solution. Its **modular design** also allows for easy customization, such as the addition of cushioning, rod guides, or custom end-of-stroke options, further enhancing its versatility across diverse applications.

### **Pros and Cons of buying a FESTO DNCT-80-20-A-SA M241 Double-Acting Tandem Pneumatic Cylinder (19879)**

#### **Pros**

1. **High Reliability and Durability**

- FESTO is a well-established brand known for manufacturing high-quality pneumatic components. This cylinder is designed for industrial applications, ensuring long-term performance under heavy loads and frequent cycling.

- The **tandem design** (two pistons working in parallel) provides enhanced stability and load-bearing capacity, reducing the risk of failure under high-pressure conditions.

2. **Precision Engineering and Performance**

- The **double-acting** mechanism allows for controlled extension and retraction, making it suitable for applications requiring precise positioning (e.g., clamping, indexing, or material handling).

- The **M241** designation indicates a robust construction with sealed internal components, minimizing air leakage and maintaining consistent force output.

3. **Compatibility with Existing Systems**

- As a standard FESTO product, it integrates seamlessly with other FESTO pneumatic components (valves, fittings, and control systems), reducing compatibility issues in retrofitting or new installations.

- The **DNCT series** is widely used in automation, making spare parts and technical support readily available.

4. **Energy Efficiency**

- Pneumatic systems are generally more energy-efficient than hydraulic ones for many applications, especially in intermittent or low-to-moderate force scenarios.

- The cylinder s design minimizes internal friction, reducing air consumption and operational costs.

5. **Maintenance-Friendly**

- FESTO cylinders are designed for easy maintenance, with accessible seals, lubrication points, and replaceable components (e.g., piston rods, seals).

- The **SA (standard air) version** simplifies installation, as it does not require specialized lubrication or cooling systems.

6. **Wide Range of Applications**

- Suitable for **clamping, pressing, lifting, and positioning** in industries such as automotive, packaging, woodworking, and robotics.

- The **80mm bore** and **200mm stroke** provide a balanced size for medium-duty tasks, making it versatile for various setups.

7. **Certifications and Safety Standards**

- FESTO products typically comply with international safety standards (e.g., ISO, CE), ensuring reliability in regulated environments.

- The tandem design enhances safety by reducing the risk of rod buckling under heavy loads.

---

#### **Cons**

1. **Higher Upfront Cost**

- Compared to generic or aftermarket pneumatic cylinders, a genuine FESTO product carries a premium price. This may be a barrier for small businesses or budget-conscious buyers.

- Purchasing from authorized distributors (rather than third-party sellers) can further increase costs due to markup and shipping fees.

2. **Potential for Overkill in Light-Duty Applications**

- If the application does not require the tandem design s extra stability (e.g., very low-force or static-hold tasks), a simpler single-acting cylinder might suffice, reducing unnecessary complexity and cost.

- The **200mm stroke** may be excessive for applications requiring shorter movements, leading to wasted energy and slower response times.

3. **Dependence on Air Supply Quality**

- Pneumatic systems are sensitive to **moisture, contaminants, and pressure fluctuations** in the air supply. Poor air quality can accelerate wear on seals and internal components, requiring additional filtration and maintenance.

- Users must invest in proper **air treatment systems** (filters, dryers, lubricators) to ensure longevity.

4. **Limited Customization**

- While the cylinder is robust, FESTO s standard designs may not offer extensive customization options (e.g., non-standard mounting, specialized coatings, or integrated sensors).

- Custom modifications (e.g., adding position sensors) may require additional components or third-party solutions, increasing system complexity.

5. **Weight and Space Considerations**

- The tandem design and robust construction make this cylinder **heavier and bulkier** than standard cylinders. Installation may require reinforced mounting points or additional structural support.

- In space-constrained environments, the **80mm bore** and **200mm stroke** dimensions may not be optimal, requiring creative mounting solutions.

6. **Potential for Higher Operating Costs**

- While pneumatic systems are efficient, **leaks in the system** (e.g., from seals or fittings) can lead to increased air consumption and higher energy bills over time.

- The cylinder s **double-acting** nature may require more precise pressure regulation compared to single-acting designs, adding complexity to control systems.

7. **Resale or Replacement Challenges**

- Like many specialized industrial components, the **resale value** of a used FESTO cylinder may be low, making it less attractive for buyers who anticipate future upgrades.

- If the cylinder fails, replacement parts may need to be ordered directly from FESTO or authorized dealers, potentially causing downtime.

8. **Learning Curve for Non-Experienced Users**

- Proper installation, calibration, and maintenance of pneumatic systems require technical knowledge. Inexperienced operators may struggle with **pressure settings, seal replacement, or troubleshooting**, leading to inefficiencies or damage.

---

### **Conclusion**

The **FESTO DNCT-80-20-A-SA M241** is a **high-quality, reliable, and versatile** pneumatic cylinder well-suited for **industrial applications requiring precision, stability, and durability**. Its tandem design and double-acting mechanism make it ideal for **clamping, pressing, and positioning tasks** where load-bearing capacity and controlled movement are critical. The brand s reputation for quality ensures long-term performance with minimal maintenance, while compatibility with FESTO s ecosystem simplifies integration.

However, the **higher cost, potential over-engineering for light-duty tasks, and dependency on air supply quality** are notable drawbacks. Buyers should carefully assess whether the cylinder s specifications align with their specific needs balancing **force requirements, stroke length, and environmental conditions** to avoid unnecessary expenses or performance limitations.

For **automation, material handling, or heavy-duty applications** where reliability is paramount, this cylinder is an excellent investment. Conversely, **budget-conscious buyers or those with simple, low-force applications** may find alternatives (e.g., standard single-acting cylinders) more cost-effective.

### **Recommendation**

- You require a **high-performance, long-lasting** pneumatic actuator for **medium-to-heavy-duty tasks** (e.g., industrial automation, robotics, or precision clamping).

- Your system is **already using FESTO components**, ensuring seamless integration.

- You have access to **proper air treatment and maintenance protocols** to maximize its lifespan.

- The **tandem design and double-acting mechanism** are necessary for your application s stability and control requirements.

- Your application involves **light loads or short strokes**, where a simpler, less expensive cylinder would suffice.

- Budget constraints are a priority, and you can find a **reputable generic brand** with comparable performance at a lower cost.

- You lack **experience with pneumatic systems**, as improper installation or maintenance could lead to premature failure.

- The cylinder s **size or weight** poses logistical challenges in your workspace.

For most **industrial or automation-focused buyers**, the **FESTO DNCT-80-20-A-SA M241** is a **strong, well-supported choice** that justifies its cost through reliability and performance. However, a thorough **cost-benefit analysis** of your specific application is essential to ensure it meets your needs without unnecessary over-specification.

Details:

Free Shipping. Measuring devices shown in picture for scale only - they are not included with the listing. Parts have some superficial scuffing or minor surface discoloration from shelf/ storage wear. Slight discoloration on surfaces, does not affect surface.

Festo M241 Double-Acting Tandem Pneumatic Cylinder DNCT-80-20-A-SA 1987 9 USED: Part may or not include box.

part #: dnct8020a prices

• $32.50-$723.00

specifications hydraulicylind:

• brand: Festo
• mpn: Dnct-80-20-a-sa
• part type: Pneumatic Cylinder

seller hydraulicylind:

• rating: 100.0%
• # reviews: 16463
• city: Clinton Township, Michigan

returns hydraulicylind:

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

offer hydraulicylind:

• options: Ship-to-home
• best offers: True
• quantity: 1
• started: March 7, 2026
• sold: 0
• availability: In Stock

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: Used

shipping hydraulicylind:

• transit: 4-7 Days
• service: USPS Ground Advantage, UPS Ground, UPS Next Day Air
• cost: $0.00
• carrier: USPS, UPS
• class: Standard, One-day
• type: Calculated

payments hydraulicylind:

• wallet: Paypal
• credit card: Visa
• other

Festo DNCT-80-20-A Is Similar To:

• 00156578 Sn41 Festo Pneumatic Cylinder Linear Actuator Inch Stroke High Force (33.8% similar) Festo pneumatic actuator, high force, short stroke 15MM. 75 air fitting size pipe. Rod diameter 25MM end thread size M12X1. Minor scratches and nicks from shelf storage. This cylinder has never been used...(March 23rd, 2018)
• 00156580 So41 Festo Pneumatic Linear Actuator Cylinder Inch Stroke High Force (35.1% similar) Otherwise, this cylinder has never been used. High force, short stroke 25MM. For sale Festo pneumatic linear actuator. Minor scratches, nicks and dings from shelf storage. 75 air fitting size pipe. Original package is missing. Rod end thread size M12X1...(March 23rd, 2018)
• 104126 Festo Repair Kit Cylinder (36.7% similar) Shipping costs are based on rate, packaging material, etc. E-mail any questions. Items include only what you see in the photo, if need an accessory that is not pictured ask. This item is to be installed and maintained by qualified individuals. If are looking to combine shipping, please send a note ...(October 21st, 2017)
• 12-180-p Festo Dsr Pneumatic Cylinder (47.4% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(June 27th, 2017)
• 14068 Festo Pneumatic Cylinder (44.9% similar) ...(September 3rd, 2018)
• 150084 Festo Pneumatic Slide With (38.2% similar) Unit was unpacked and inspected, but never installed. Offer is for one pneumatic slide as pictured. Brand new Festo pneumatic cylinder slide that was purchased for a project went different direction...(November 8th, 2018)
• 156013 Festo Compact Pneumatic Cylinder (50% similar) New - Festo adv P-A-S2 compact pneumatic cylinder stroke length 60MMBORE diameter 25MMPISTON rod end female principle of operation double acting piston material high-alloyed steel cylinder tube aluminium wrought alloy dynamic seals Nebr tape-u Pu...(June 15th, 2019)
• 156527 Festo Pneumatic Cylinder (44.4% similar) ...(June 24th, 2018)
• 156550 Festo Pneumatic Cylinder (44.4% similar) New Festo pneumatic cylinder adv p-a...(March 29th, 2019)
• 156619 Festo Pneumatic Cylinder (44.4% similar) Brand new in bag...(July 2nd, 2018)
• 156628 Festo Pneumatic Cylinder With Extended Air Fittings Nice (40% similar) Sincerely, tom with no reserve prices. Over 100,000,000 served. Fittings have locking flow regulators clean and great condition. Please enter the shipping dimensions and weight listed above. Most, if not all, will have starting bids of. Festo adv a-p-a pneumatic cylinder with extended air fittings ...(February 2nd, 2019)