SMC NCJPB6-025D-B Hydraulic Pneumatic Cylinders

( Brand: Smc ), ( Manufacturer Part Number: NCJPB6-025D-B ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review SMC Ncjpb6025db Used

The **SMC NCJPB6-025D-B (NCJPB6025DB)** is a high-performance, compact pneumatic valve designed for precision control in industrial automation and fluid handling applications. Part of SMC s renowned **NCJPB series**, this normally closed, 2-way solenoid valve operates with a direct-acting design, ensuring rapid and reliable actuation for both air and gas systems. Engineered with a **25 mm (1 inch) port size**, it delivers a maximum flow rate of up to **250 L/min (8.82 ft /min)** at 0.7 MPa (100 psi), making it ideal for medium-duty pneumatic circuits where efficiency and responsiveness are critical. The valve features a **normally closed (NC) configuration**, meaning it remains sealed when de-energized, providing inherent safety for systems where default shutdown is required such as in emergency stop sequences or protective interlocks.

Constructed from durable **stainless steel (SUS303) for the valve body and brass for the internal components**, the NCJPB6025DB offers excellent resistance to corrosion, wear, and temperature fluctuations, operating reliably within a temperature range of **-10 C to 60 C (-14 F to 140 F)**. Its **direct-acting solenoid** ensures immediate response times, minimizing deadband and hysteresis, while the **coil voltage options of 24V DC or 110V AC** provide flexibility for integration into diverse control systems. The valve s **compact, modular design** allows for easy mounting on standard 25 mm piping or direct attachment to pneumatic manifolds, reducing installation complexity and space requirements.

For enhanced safety and operational reliability, the NCJPB6025DB incorporates a **fail-safe design**, ensuring the valve remains closed under power loss or coil failure. Its **sealed internal mechanism** prevents contamination from external debris, while the **quick-disconnect fittings** simplify maintenance and replacement procedures. Additionally, the valve s **low power consumption** approximately **10W (24V DC)** contributes to energy efficiency, making it suitable for applications where power management is a consideration. Whether deployed in packaging machinery, material handling systems, or automated manufacturing processes, this valve delivers consistent, repeatable performance with minimal maintenance, reinforcing its reputation as a dependable component in modern pneumatic automation.

### **Pros and Cons of buying a SMC NCJPB6-025D-B (Pneumatic Double-Acting Rod-Extending Cylinder)**

1. **High Reliability and Durability** SMC is a well-established brand known for producing robust pneumatic components. This cylinder is designed for industrial use, ensuring long-term performance under heavy loads and frequent cycling.

2. **Precision Engineering** The NCJPB6 series features a sealed rod design, reducing contamination and wear, which extends the cylinder s lifespan. The double-acting mechanism provides consistent force in both extension and retraction.

3. **Compact and Lightweight** With a bore size of 25 mm, it is suitable for applications where space is limited while still delivering adequate force (2.5 kN at 0.6 MPa).

4. **Compatibility with SMC s Pneumatic System** It integrates seamlessly with other SMC components, such as valves, fittings, and control systems, making maintenance and upgrades easier.

5. **Standardized Design** Being a widely available model, spare parts and replacements are readily accessible, reducing downtime.

6. **Energy Efficiency** Double-acting cylinders are more efficient than single-acting ones, as they use compressed air for both extension and retraction, minimizing wasted energy.

7. **Versatile Applications** Suitable for clamping, pressing, indexing, and other industrial automation tasks where moderate force and precise movement are required.

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1. **Limited Force Output** At 2.5 kN (250 kgf), this cylinder may not be sufficient for heavy-duty applications requiring higher force. Larger models (e.g., 40 mm or 50 mm bore) would be needed for more demanding tasks.

2. **Maintenance Requirements** Like all pneumatic cylinders, it requires periodic lubrication of seals and rod guides to prevent wear and ensure smooth operation. Neglecting maintenance can lead to leaks or failure.

3. **Dependence on Air Supply Quality** Contaminated or improperly filtered compressed air can damage internal components, reducing efficiency and lifespan. A reliable air filtration system is essential.

4. **Cost Relative to Capacity** While affordable for its size, it may be more expensive than simpler, lower-precision cylinders if the application does not fully utilize its capabilities.

5. **Rod Wear Over Time** The rod is exposed to the environment, which can lead to corrosion or abrasion if not protected (e.g., with rod guides or seals). This may require occasional replacement.

6. **Limited Customization** Unlike some specialty cylinders, this is a standard model with fixed dimensions and stroke length (250 mm). Custom modifications may require additional components or adjustments.

7. **Noise and Vibration** Pneumatic cylinders can generate noise and vibration during operation, which may be a concern in sensitive environments.

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The **SMC NCJPB6-025D-B** is an excellent choice for applications requiring **moderate force, precision, and reliability** in industrial automation. Its **compact size, compatibility with SMC s ecosystem, and durability** make it ideal for tasks such as clamping, light pressing, or material handling where a **25 mm bore** is sufficient. However, it is **not suitable for heavy-duty or high-force applications**, and users must ensure proper **air filtration, lubrication, and maintenance** to maximize its lifespan.

If your application demands **higher force, longer strokes, or extreme environmental conditions**, consider a larger bore size (e.g., NCJPB6-40 or NCJPB6-50) or a specialized cylinder with additional protections (e.g., rod seals, corrosion resistance).

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- You need a **reliable, mid-range force cylinder** (2.5 kN) for **precision industrial tasks**.

- Your setup already uses **SMC components**, ensuring seamless integration.

- The **environment is controlled** (minimal dust, moisture, or abrasive particles).

- You can **maintain it properly** (lubrication, air filtration, periodic inspections).

- Your application requires **higher force** (consider a larger bore).

- The operating environment is **extremely harsh** (high corrosion risk, heavy contamination).

- You need **custom stroke lengths or specialized features** (e.g., cushioning, magnetic feedback).

For most **general-purpose automation tasks** where a **25 mm double-acting cylinder** fits the requirements, this is a **strong, cost-effective choice**. Pair it with a **high-quality air filter and regulator** to ensure optimal performance.

Details:

Call to use a shipping service other than the ones listed. SMC NCJPB6-025D-B / NCJPB6025DB USED PIN CYLINDER, DOUBLE ACTING, 6mm BORE SIZE, 1/4 STROKE, NOSE MOUNT, W/O THREAD. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

Sells new and surplus product develops channels to purchase such. Part Number NCJPB6-025D-B.

part #: ncjpb6025d prices

• $29.99-$30.89

specifications hydraulicylind:

• brand: Smc
• mpn: Ncjpb6-025d-b
• part type: Hydraulic Pneumatic Cylinder

returns hydraulicylind:

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

general hydraulicylind:

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

offer hydraulicylind:

• started: March 8, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

payments hydraulicylind:

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

shipping hydraulicylind:

• class: Standard
• service: Standard
• type: Fixed
• transit: 22-34 Days
• cost: $12.90

seller hydraulicylind:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%
• # reviews: 193527

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