COMPACT AIR PRODUCTS Q91-2507 Double Acting Pneumatic Cylinder 0.125

( Brand: Compact Air Products ), ( Manufacturer Part Number: Q91-2507 ), ( Part Type: Pneumatic Cylinder ), ( Cylinder Action: Double-acting ), ( Cylinder Type: Compact Cylinder )

Review COMPACT AIR PRODUCTS Lot Of Double Acting Pneumatic Cylinder 0.125 Inch Stroke

The **Air Q91-2507 Double-Acting Pneumatic Cylinder (0.125-inch Rod Diameter)** is a precision-engineered, high-performance pneumatic actuator designed for demanding industrial applications requiring reliable, high-speed linear motion with bidirectional force. Part of the robust Q-series lineup, this cylinder combines durability with compact yet efficient design, making it ideal for automation systems, material handling, packaging machinery, and assembly lines where consistent, repeatable motion is critical. Constructed from high-grade steel, the cylinder features a **double-acting** design, enabling independent control of both extension and retraction strokes through separate air ports, which enhances versatility in applications where precise positioning, holding force, or bidirectional speed regulation is necessary. The **0.125-inch rod diameter** strikes a balance between compactness and load-bearing capacity, making it suitable for lighter to moderate-duty tasks such as clamping, indexing, pushing, or pulling operations where a slender profile is advantageous without compromising structural integrity.

The cylinder s **sealed, corrosion-resistant rod** ensures longevity in environments exposed to dust, moisture, or mild chemical contaminants, while its **durable piston rod guide** minimizes friction and wear, contributing to extended operational life and reduced maintenance requirements. The **standard mounting options**, including clevis, trunnion, or flange mounts, provide flexibility for integration into various frame or fixture designs, accommodating diverse spatial constraints. Internally, the cylinder employs **high-efficiency seals** and a **piston rod wiper system** to prevent ingress of debris, ensuring smooth operation and protecting internal components from premature degradation. The **air-to-force ratio** is optimized for efficiency, allowing for rapid acceleration and deceleration while maintaining consistent force output across the stroke length, which is particularly beneficial in applications demanding quick cycle times without sacrificing precision.

For enhanced safety and operational reliability, the cylinder incorporates **end-of-stroke cushioning** to dampen impact forces, reducing wear on both the cylinder and connected machinery. The **standard connection ports** (typically M5 or M8, depending on the model variant) are designed for easy integration with standard pneumatic fittings, ensuring compatibility with most industrial air supply systems. Additionally, the cylinder s **compact overall length** and **modular design** allow for easy customization, including extended stroke options or the addition of position sensors for feedback control in automated systems. Whether deployed in a high-volume production line, a precision assembly cell, or a material sorting application, the **Air Q91-2507** delivers dependable performance, quiet operation, and a low-maintenance profile, making it a cost-effective solution for industries prioritizing efficiency and uptime.

### **Pros and Cons of buying a Air Q91-2507 Double-Acting Pneumatic Cylinder (0.125 Inch Rod Diameter)**

1. **Precision and Control** Double-acting cylinders provide bidirectional force, allowing for precise positioning and controlled movement in both extension and retraction. This is ideal for applications requiring accurate stops, dwell times, or synchronized operations.

2. **High Force Output** The larger bore size (likely 91 mm) suggests strong force generation, making it suitable for heavy-duty applications such as clamping, pressing, or material handling.

3. **Durability and Longevity** High-quality pneumatic cylinders, especially those from reputable brands, are built to withstand repeated cycles with minimal wear. The double-acting design distributes load evenly, reducing stress on seals and rods.

4. **Energy Efficiency** Pneumatic systems are generally more energy-efficient than hydraulic ones for intermittent or moderate-duty applications, as compressed air can be easily regulated and stored.

5. **Compatibility with Existing Systems** If your facility already uses pneumatic actuators, this cylinder will integrate seamlessly with compressors, valves, and control systems, reducing additional infrastructure costs.

6. **Maintenance-Friendly** Pneumatic cylinders typically require less maintenance than hydraulic counterparts, with fewer fluid leaks and simpler lubrication needs. Seals and rods can be replaced or serviced relatively easily.

7. **Versatility** Double-acting cylinders can be used in a wide range of industries, including automotive, packaging, woodworking, and manufacturing, for tasks like pushing, pulling, or holding components in place.

8. **Safety Features** Many pneumatic cylinders come with built-in safety mechanisms such as cushioning (end-of-stroke damping) to prevent sudden impacts, reducing wear and improving operator safety.

9. **Quick Installation** Standardized mounting options (e.g., flange, foot, or trunnion mounts) allow for straightforward installation without extensive modifications to the existing setup.

10. **Cost-Effective for High-Volume Applications** While the initial cost may be higher than single-acting cylinders, the reliability and performance justify the investment in high-production environments.

---

1. **Higher Initial Cost** Double-acting cylinders are generally more expensive upfront than single-acting alternatives due to their additional components (e.g., double seals, valves, and control mechanisms).

2. **Dependence on Compressed Air Supply** The system requires a reliable and properly maintained air compressor, which adds to operational costs (electricity, filtration, and drying systems). Downtime in the air supply can halt production.

3. **Leakage Risks** Over time, seals and connections may develop leaks, leading to air loss and reduced efficiency. Regular inspections and maintenance are necessary to mitigate this.

4. **Limited Speed Control** While pneumatic cylinders offer fast operation, precise speed control can be challenging without additional regulators, valves, or electronic controls, which may increase complexity.

5. **Noise and Vibration** Pneumatic systems can generate noise and vibration, particularly at high speeds or under heavy loads. This may require additional soundproofing or damping solutions in sensitive environments.

6. **Temperature Sensitivity** Extreme temperatures can affect the performance of pneumatic seals and the efficiency of compressed air. In cold environments, moisture condensation may occur, leading to corrosion or system malfunctions.

7. **Space Requirements** The cylinder s size and mounting needs may limit installation options in compact or space-constrained applications. Ensure your workspace can accommodate the cylinder s dimensions.

8. **Potential for Air Contamination** If the compressed air supply is not properly filtered, contaminants like oil, water, or particles can damage seals and internal components, reducing the cylinder s lifespan.

9. **Less Suitable for Continuous Heavy Loads** While pneumatic cylinders are robust, they are not ideal for sustained heavy loads over long periods, as heat buildup and air consumption can become issues. Hydraulic systems may be more appropriate for such applications.

10. **Skill Dependency** Proper installation, calibration, and troubleshooting require technical expertise. Poor setup or maintenance can lead to inefficiencies, premature failure, or safety hazards.

---

The **Air Q91-2507 double-acting pneumatic cylinder (0.125 inch rod)** is a robust and versatile choice for applications requiring bidirectional force, precision, and reliability. Its advantages in terms of control, durability, and compatibility with pneumatic systems make it well-suited for industrial environments where speed, accuracy, and ease of maintenance are priorities. However, the higher upfront cost, dependence on a stable air supply, and potential challenges with noise, leakage, and temperature sensitivity must be carefully considered.

- **Automation and material handling** (e.g., robotic arms, conveyor systems).

- **Clamping, pressing, or forming operations** in manufacturing.

- **Applications requiring rapid cycling** (e.g., packaging, woodworking).

- **Facilities already equipped with pneumatic infrastructure**.

If your application involves **continuous heavy loads, extreme environments, or precise speed control**, you may need to supplement this cylinder with additional components (e.g., hydraulic assist, electronic regulators) or consider alternative actuators like hydraulic cylinders.

- Your budget accommodates the higher initial cost.

- Your facility has a reliable compressed air system.

- The application benefits from bidirectional force and precision.

- Maintenance resources are available to address potential leaks or seal wear.

- Your application requires **ultra-high precision speed control** without additional regulators.

- You operate in **extreme temperatures** without proper air treatment (e.g., dryers, filters).

- **Space or noise constraints** are significant concerns.

- You lack the expertise to **install, calibrate, or maintain** pneumatic systems effectively.

- A **high-quality air compressor** with proper filtration.

- **Cushioning valves** to reduce impact and wear.

- **Regular maintenance schedules** (e.g., seal checks, lubrication).

- **Load calculations** to ensure the cylinder s specifications match your application s requirements.

Details:

If you do not have an account No Worries. This is a surplus item. Stroke: 0.125. Compact Air Products.

Shaft Connection: 10-32. Specifications: model #: Q91-2507. Housing Dimensions: 1.25 x.

part #: q912507 prices

• $20.00-$50.00

specifications hydraulicylind:

• brand: Compact Air Products
• mpn: Q91-2507
• part type: Pneumatic Cylinder
• cylinder action: Double-acting
• cylinder type: Compact Cylinder

shipping hydraulicylind:

• service: USPS First Class, USPS Priority Mail Padded Flat Rate Envelope, UPS Next Day Air
• transit: 2-5 Days
• carrier: USPS, UPS
• type: Calculated
• cost: $0.00
• class: Standard, Expedited, One-day

general hydraulicylind:

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

offer hydraulicylind:

• started: February 18, 2026
• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 7
• sold: 0

returns hydraulicylind:

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

seller hydraulicylind:

• city: Osseo, Minnesota
• rating: 100.0%
• # reviews: 43691

payments hydraulicylind:

• other
• wallet: Google-pay
• credit card: Mastercard
• cash

Compact Air Products Q91-2507 Is Similar To:

• 10-cdj2b16-30a Smc Pneumatic Compact Cylinder (32.8% similar) Depending on the size of item there may be a pelleting crating fee. Ten hard working individuals clean and inventory equipment, list them on, ship daily. The calculator is simply one estimate and can be off at times. This fee will vary depending on the size of item. Please for next day shipping ...(September 25th, 2017)
• 10-cdq2b12-20dcm-f7pl Smc New Compact Clean Room Air Cylinder (26.7% similar) Snap rings are used to secure the head cover, making replacement of seals possible. The NC series cylinder offers a shorter, lighter and more Compact package for given stroke is designed completely in inches with through-hole. I will fully guarantee this new cylinder - cost bore 20MM stroke 6MM ...(February 3rd, 2019)
• 10-cdq2b20-20dc-x303 D-f79 Smc Auto Switch Compact Cylinder (21.6% similar) Minimum handling charge is 75 onto a standard pallet and increases for custom pallet's. Are only included if pictured or listed in. 30-DAY DOA warranty this product carries. Save packaging for carrier claim. All parts, accessories, cables, etc. Your satisfaction is extremely important to us. Cash is...(November 1st, 2018)
• 11-cdq2b20-20d Smc Vacuum Auto Switch Compact Cylinder Proximity (24.8% similar) If in doubt, please before purchasing. If you do receive the package, submit clear images of packaging box and damaged item from multiple angles. All parts, including accessories and cables are only included if pictured or listed in the. Our contact: Rodney Wang SC asset management, inc. length in...(November 1st, 2018)
• 110122 Intbuying Compact Pneumatic Slide Cylinder Bore Size Stroke 659103751434 (41.7% similar) 05MPA ambient and fluid temperature:- c piston SPEED:50-500MMS notes: this is bps metric threaded not not. MXH20-25 Compact pneumatic slide cylinder bore size 20MM stroke 25MM SIZE:20MM STROKE:25MM max PRESSURE:1...(September 29th, 2018)
• 156013 Festo Compact Pneumatic Cylinder (40.6% similar) New - fest 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)
• 157243 Festo Compact Air Pneumatic Cylinder 683194550386 (45.5% similar) Fest Avis p-a Compact Air pneumatic cylinder. Original packaging sometimes has shelf wear. Fest stroke 25MM, piston diameter 63 cushioning p: flexible rings plates at both ends, assembly position any, mode of operation single-acting, pulling action. Compact cylinder Avis p-a for proximity sensing, ...(July 26th, 2018)
• 158511 Festo Compact Air Cylinder Pneumatic (37.9% similar) I am not in the business to make money on shipping, so actual cost is what will charge. If you desire to purchase more than one of anything from my other listings, then I will gladly combine shipping. If the box is, too heavy, then I may use ups ground. Either way, I will find the best method to ...(August 19th, 2018)
• 158535 Festo Dmm-25-15pa Compact Air (17.6% similar) If the box is, too heavy, then I may use ups ground. Either way, I will find the best method to ship items by USPS priority. I am not in the business to make money on shipping, so actual cost is what will charge. If you desire to purchase more than one of anything from my other listings, then I will...(January 22nd, 2018)
• 19-109621-00 Compact Guide Cylinder Air (34.4% similar) Compact guide cylinder Air with moron sensors used in good condition...(September 5th, 2017)
• 20-mgpl63-35 Smc Compact Guide Cylinder (31.3% similar) ...(June 18th, 2017)