SMC CDQ2B25-50DM Cylinder Double Acting CQ2 25MM 50MM

( Brand: Smc ), ( Manufacturer Part Number: CDQ2B25-50DM ), ( Shelf: K 67 ), ( Bore Diameter: 25 Mm ), ( Type: Pneumatic Cylinder ), ( Stroke Length: 50 Mm ), ( Suitable Media: Compressed Air ), ( Cylinder Action: Double Acting ), ( Maximum Pressure: 1.0 Mpa ), ( Rated Pressure: 1.5mpa ), ( Cylinder Type: Compact Cylinder ), ( Country Of Origin: Japan )

Review SMC Cq2 Compact Cylinder 25mm Bore 50mm Stroke Double Acting

The **SMC CDQ2B25-50DM CQ2 Cylinder** is a high-performance, double-acting pneumatic actuator designed for precision control and reliable operation in industrial automation applications. Part of SMC s robust CQ2 series, this cylinder features a compact yet durable construction, making it ideal for integration into tight spaces while delivering exceptional force and stroke consistency. With a **25mm bore diameter**, it generates a substantial pushing and pulling force, suitable for handling moderate to heavy loads with efficiency. The **50mm stroke length** provides ample movement range, ensuring versatility in applications such as clamping, positioning, indexing, or material handling tasks where precise linear motion is critical. As a double-acting cylinder, it operates using compressed air on both the extension and retraction strokes, eliminating the need for external springs and enabling faster cycle times and greater control over speed and force. The **CQ2 series** is engineered with a sealed, corrosion-resistant design, featuring a robust aluminum housing and high-quality elastomeric seals to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations. This cylinder incorporates SMC s advanced **double-acting piston rod** with a smooth, low-friction surface, reducing wear and extending operational lifespan. The integrated **quick-disconnect coupling** simplifies installation and maintenance, allowing for quick attachment and detachment of hoses without tools. Additionally, the cylinder s **standardized mounting options**, including flange, trunnion, or clevis ends, ensure compatibility with a wide range of actuators, conveyors, and robotic systems. Whether deployed in packaging machinery, automated assembly lines, or material transport systems, the CDQ2B25-50DM delivers consistent performance, energy efficiency, and operational reliability, making it a dependable choice for engineers seeking a balance of power, precision, and durability in pneumatic actuation.

### **Pros and Cons of buying a SMC CDQ2B25-50DM (CQ2 Cylinder, 25mm Bore, 50mm Stroke, Double-Acting)**

1. **High Quality and Reliability** SMC is a well-established brand in industrial automation, known for durable pneumatic components. This cylinder is designed for precision and long-term performance in demanding applications.

2. **Double-Acting Operation** The double-acting design allows for controlled extension and retraction, making it suitable for applications requiring bidirectional force (e.g., clamping, pressing, or positioning tasks).

3. **Compact and Lightweight** With a **25mm bore** and **50mm stroke**, it is compact enough for space-constrained systems while still delivering adequate force (approximately **1.2 kN** at 6 bar).

4. **Standardized and Compatible** Fits seamlessly into SMC s modular pneumatic system, compatible with their valves, fittings, and control units, reducing integration challenges.

5. **Good Force Output** At a working pressure of **6 bar**, it provides sufficient force for light to medium-duty applications (e.g., assembly lines, packaging, or simple material handling).

6. **Low Maintenance** SMC cylinders are designed for minimal wear, with sealed rods and durable construction, reducing downtime for upkeep.

7. **Cost-Effective for Basic Needs** Compared to custom or high-end cylinders, this is an affordable option for standard pneumatic tasks without sacrificing reliability.

8. **Easy Installation** Standardized mounting options (e.g., foot, flange, or trunnion) make setup straightforward for most applications.

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1. **Limited Force for Heavy-Duty Work** At **25mm bore**, the maximum force ( 1.2 kN at 6 bar) may be insufficient for applications requiring high thrust (e.g., heavy pressing, forging, or high-speed material handling).

2. **Stroke Length Restriction** A **50mm stroke** limits its use to applications where shorter linear movements are sufficient. Longer strokes would require a different model.

3. **No Built-In Positioning Feedback** Unlike servo or magnetically encoded cylinders, this is a basic pneumatic cylinder without built-in position sensing, requiring external limit switches or sensors for precise control.

4. **Pressure-Dependent Performance** Performance varies with air pressure fluctuations, which may affect consistency in applications requiring tight tolerances.

5. **Not Ideal for High-Speed Applications** While functional, it is not optimized for ultra-high-speed cycling (e.g., > 100 strokes per minute), where wear and fatigue could become issues over time.

6. **Limited Customization** Unlike some specialty cylinders, this is a standard model with fixed dimensions. Custom modifications (e.g., different rod lengths, seals) may require additional parts or adjustments.

7. **Potential for Leakage Over Time** Like all pneumatic cylinders, seals degrade with use, potentially leading to air leaks if not maintained properly.

8. **Not Suitable for Extreme Environments** Exposure to moisture, dust, or corrosive substances without proper protection (e.g., seals, guards) could reduce lifespan.

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The **SMC CDQ2B25-50DM** is a **reliable, cost-effective, and easy-to-integrate** pneumatic cylinder well-suited for **light to medium-duty applications** requiring bidirectional force in a compact space. It excels in **standard assembly, packaging, or simple material handling tasks** where precision and durability are priorities, but not excessive force or long strokes are needed.

- A **larger bore cylinder** (e.g., 32mm or 40mm) for increased force.

- A **servo or magnetically encoded cylinder** for advanced positioning control.

- A **custom or heavy-duty cylinder** for extreme conditions.

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You need a **simple, double-acting cylinder** for basic pneumatic tasks.

Your application requires ** 1.2 kN of force** at 6 bar.

You are working within a **50mm stroke** and **25mm bore** constraint.

You are already using **SMC components**, ensuring compatibility.

Cost efficiency and ease of installation are key factors.

You need **higher force** (e.g., > 2 kN) or **longer strokes** (> 100mm).

Your application requires **precise positioning** without external sensors.

You operate in **harsh environments** (extreme temperatures, corrosive materials) without additional protection.

You need **high-speed cycling** (consider a more robust or servo cylinder).

For most **basic pneumatic automation needs**, this cylinder is a **solid, practical choice**. However, always verify your specific force, speed, and environmental requirements before purchasing.

Details:

Cylinder Action: Double Acting. Shelf: K -67. Notes: Previously used item in good condition. Provide: Zip code, commercial/residential location, lift gate needs.

Bore Diameter: 25mm. Type: Pneumatic Cylinder. Can ship using your UPS account number upon request. Tested and fully functional.

Part Number: CDQ2B25-50DM. Country of Origin: Japan. Cylinder Type: Compact. Buyer pays return shipping unless item was misrepresented.

Suitable Media: Compressed Air. Condition: Used. This double acting, single rod cylinder is designed for space-saving applications with a compact body design and magnetic piston auto switch mounting capabilities. Quality New Surplus and Used Industrial Automation Controls Equipment.

Model: CDQ2B25-50DM. Manufacturer: SMC.

part #: cdq2b2550dm prices

• $30.00-$57.00

specifications hydraulicylind:

• brand: Smc
• mpn: Cdq2b25-50dm
• shelf: K 67
• bore diameter: 25 Mm
• type: Pneumatic Cylinder
• stroke length: 50 Mm
• suitable media: Compressed Air
• cylinder action: Double Acting
• maximum pressure: 1.0 Mpa
• rated pressure: 1.5mpa
• cylinder type: Compact Cylinder
• country of origin: Japan

shipping hydraulicylind:

• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• class: Standard, Expedited, One-day
• cost: $17.41
• transit: 3-5 Days
• type: Calculated
• carrier: UPS

general hydraulicylind:

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

offer hydraulicylind:

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

seller hydraulicylind:

• rating: 100.0%
• # reviews: 6849
• city: Bardstown, Kentucky

returns hydraulicylind:

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

payments hydraulicylind:

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

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