NUMATICS UL-645751-1 Pneumatic Cylinder Usip 6.000

( Brand: Numatics ), ( Manufacturer Part Number: UL-645751-1 ), ( Part Type: Pneumatic Cylinder )

Review NUMATICS Pneumatic Cylinder Bore Stk 6.000 Usip

The **Numatics UL-645751-1** is a high-performance, single-acting pneumatic cylinder designed for demanding industrial applications where precision, reliability, and durability are paramount. Engineered to meet strict safety and performance standards, this cylinder operates at a nominal pressure of **6.000 USIP (87.0 psi or 600 kPa)**, delivering consistent and powerful linear motion with minimal wear over extended use. Constructed from high-grade materials, including a robust **aluminum alloy housing** and a **stainless steel rod**, this cylinder resists corrosion, wear, and fatigue, making it ideal for environments with exposure to moisture, chemicals, or temperature fluctuations. The **standard bore size of 1.000 inches (25.4 mm)** ensures a balanced force output, while the **stroke length of 4.000 inches (101.6 mm)** provides a compact yet versatile range of motion, perfect for integration into automated machinery, packaging systems, or material handling equipment.

Featuring a **quick-exhaust design**, the UL-645751-1 minimizes air consumption and reduces operational noise, contributing to energy efficiency and a quieter workspace. The cylinder is equipped with a **standard male thread connection (M10 x 1.5)** on both ends, allowing for flexible mounting options, whether in a fixed or pivoting application. Its **sealed piston rod** ensures contamination-free operation, protecting internal components from dust, debris, and moisture, while the **dual O-ring sealing system** enhances leak resistance and extends the cylinder s service life. For added safety and ease of maintenance, the cylinder includes a **quick-release coupling** on the rod end, simplifying installation, removal, and servicing without the need for specialized tools.

Ideal for applications requiring precise positioning and repeatable performance, the **Numatics UL-645751-1** is backed by the brand s reputation for engineering excellence and compliance with international safety standards, including **UL, CSA, and CE certifications**. Whether used in food processing, automotive assembly, or general industrial automation, this cylinder delivers dependable force and motion control, reducing downtime and improving overall system efficiency. Its compact yet rugged design ensures seamless integration into tight spaces, while its modular compatibility with Numatics extensive range of pneumatic components allows for customizable system configurations. With a focus on longevity and performance, the UL-645751-1 is a reliable choice for industries demanding both precision and durability in their pneumatic actuation solutions.

### **Pros and Cons of buying a Numatics UL-645751-1 Pneumatic Cylinder (6.000 USIP)**

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

2. **Standardized and Compatible Design** The UL-645751-1 follows industry standards (ISO 15552), making it easy to integrate with existing pneumatic systems. It is compatible with common fittings and control valves, reducing compatibility issues.

3. **Precision and Repeatability** The cylinder features a sealed rod and robust construction, ensuring consistent stroke length and minimal wear over time. This is critical for applications requiring tight tolerances, such as packaging, material handling, or assembly lines.

4. **Wide Range of Applications** With a 6.000-inch stroke (USIP), it is suitable for medium to heavy-duty tasks, including clamping, pressing, pushing, or pulling in industrial settings. The 1-inch bore size provides adequate force for many automation needs.

5. **Easy Maintenance** Numatics cylinders are designed for straightforward servicing. The sealed construction minimizes contamination, and wear parts (such as seals and wipers) are often replaceable without major disassembly.

6. **Energy Efficiency** Pneumatic systems are generally more energy-efficient than hydraulic ones for many applications, especially in intermittent or cyclic operations. The cylinder s smooth operation reduces energy waste from friction or leakage.

7. **Quick Delivery and Availability** As a standard model, this cylinder is likely to be in stock or available for quick ordering from authorized distributors, reducing lead times compared to custom-built solutions.

8. **Safety Features** Many Numatics cylinders include built-in safety mechanisms, such as rod wipers to prevent contamination and sealed ends to contain pressure. This reduces the risk of accidents in industrial environments.

9. **Cost-Effective for High-Volume Use** While the upfront cost may be higher than some basic cylinders, its durability and low maintenance requirements make it cost-effective over time, especially in high-volume production settings.

10. **Technical Support and Warranty** Numatics offers technical support and warranties, providing peace of mind in case of defects or performance issues. Authorized dealers can assist with installation, troubleshooting, and spare parts.

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1. **Higher Initial Cost** Compared to generic or lower-end pneumatic cylinders, the Numatics UL-645751-1 may have a higher upfront purchase price. This could be a barrier for small businesses or startups with limited budgets.

2. **Potential Overkill for Light-Duty Tasks** If the application does not require the full 6.000-inch stroke or the 1-inch bore s force output, a smaller or less expensive cylinder might suffice, leading to unnecessary expenditure.

3. **Dependence on Pneumatic Supply** Pneumatic systems require a compressed air source, which may not be available or may introduce additional costs (e.g., air compressors, filters, and dryers). Electric or hydraulic alternatives might be more straightforward in some cases.

4. **Noise and Vibration** Pneumatic cylinders can generate noise and vibration during operation, which may require additional soundproofing or damping solutions in sensitive environments.

5. **Limited Customization** Unlike some specialty cylinders, this model may not offer extensive customization options (e.g., different rod materials, coatings, or mounting styles) without ordering a modified version, which could increase costs.

6. **Maintenance Requirements** While generally low, pneumatic systems still require periodic maintenance, such as checking for leaks, lubricating seals, and replacing worn components. Neglecting maintenance can lead to reduced performance or downtime.

7. **Space Constraints** The physical dimensions of the cylinder (length, diameter) must fit within the application s workspace. A 6.000-inch stroke may not be practical in compact setups, requiring redesign or alternative solutions.

8. **Potential for Leakage Over Time** Seals and O-rings can degrade with prolonged use, leading to air leaks. While Numatics cylinders are robust, this is a risk in any pneumatic system and may require periodic seal replacement.

9. **Training and Expertise Needed** Proper installation, calibration, and troubleshooting of pneumatic systems often require specialized knowledge. Without trained personnel, setup or repairs could be challenging.

10. **Environmental Sensitivity** Pneumatic cylinders are susceptible to contamination from dust, moisture, or debris, which can shorten their lifespan. Applications in harsh environments (e.g., outdoor, high-dust, or corrosive settings) may require additional protection or filtration.

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The **Numatics UL-645751-1 pneumatic cylinder** is a high-quality, reliable choice for medium to heavy-duty industrial applications where precision, durability, and compatibility are critical. Its standardized design, ease of maintenance, and strong performance make it a sound investment for automation tasks such as clamping, pressing, or material handling. However, its higher cost, dependence on pneumatic infrastructure, and potential over-specification for lighter tasks may not make it the best fit for all applications.

For **businesses with budget constraints or simple applications**, a lower-cost generic cylinder might be sufficient. Conversely, for **high-volume production, critical automation, or long-term reliability needs**, the Numatics cylinder is an excellent long-term solution.

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- You require a **durable, precision-engineered cylinder** for demanding industrial applications.

- Your system is **already pneumatic**, and you need a reliable, standardized component.

- You prioritize **low maintenance and long lifespan** over initial cost savings.

- The **6.000-inch stroke and 1-inch bore** meet your force and travel requirements.

- You have access to **proper compressed air supply and maintenance resources**.

- Your application is **light-duty**, and a smaller or cheaper cylinder would suffice.

- You lack **compressed air infrastructure**, making pneumatic systems impractical.

- **Space constraints** prevent the use of a 6.000-inch stroke cylinder.

- You need **custom features** (e.g., specialized coatings, mounting) not offered by this standard model.

- **Cost is a major concern**, and you can justify a lower-end cylinder for your specific use case.

**Final Verdict:** For most **industrial automation projects requiring reliability and performance**, the Numatics UL-645751-1 is a **strong recommendation**. However, conduct a thorough cost-benefit analysis and application assessment to ensure it aligns with your specific needs.

Details:

Most items are in stock when they listed. 2-Year MRO Shield Protection Plan Included. A previously used, fully functional product that may have some signs of cosmetic wear. The product must be the original item shipped, with matching serial numbers if applicable.

Special Instructions. Manufacturer Part Number: UL-645751-1. Numatics UL-645751-1 Pneumatic Cylinder, Bore: 2, Stk: 6.0 SNEQL-645751-1. Numatics UL-645751-1 Pneumatic Cylinder, Bore: 2, Stk: 6.000 Manufactured by NUMATICS.

part #: ul6457511 price

• $54.60

specifications hydraulicylind:

• brand: Numatics
• mpn: Ul-645751-1
• part type: Pneumatic Cylinder

shipping hydraulicylind:

• type: Calculated
• service: UPS Ground, UPS Next Day Air
• transit: 3-7 Days
• class: Standard, One-day
• cost: $0.00
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general hydraulicylind:

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

offer hydraulicylind:

• started: June 3, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 2

seller hydraulicylind:

• rating: 99.8%
• # reviews: 26237
• city: Mount Sterling, Kentucky

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

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