PHD 1-3-8X1-3-4 Avrf Pneumatic Cylinder 1-3/8X1-3/4

( Brand: Phd ), ( Manufacturer Part Number: 1-3/8X1-3/4 ), ( Part Type: Pneumatic Cylinder ), ( Suitable Media: Compressed Air )

Review PHD 1-3/8x1-3/4 Avrf 1-3/8 1-3/4 Pneumatic Cylinder

The **PHD 1-3/8" (34mm) bore 1-3/4" (44mm) stroke Air Velocity Research (AVR) pneumatic cylinder** is a high-performance, double-acting, rod-end cylinder engineered for demanding industrial applications where precision, reliability, and efficiency are paramount. This robust actuator is part of AVR s **PHD series**, renowned for its compact yet durable design, optimized for environments requiring tight mounting spaces without compromising on power or responsiveness. With a **1-3/8-inch (34mm) bore diameter**, the cylinder delivers a substantial force output ideal for applications such as material handling, packaging machinery, clamping systems, and automated assembly lines where consistent and repeatable motion is critical. The **1-3/4-inch (44mm) stroke length** provides ample travel for medium-duty tasks, balancing operational flexibility with structural integrity, while the **AVR s proprietary piston rod design** ensures minimal friction and wear, extending the cylinder s operational lifespan even under continuous use.

Constructed from **high-grade aluminum alloy** for the cylinder body and **hardened steel** for the piston rod, this unit is built to withstand harsh conditions, including exposure to dust, moisture, and temperature fluctuations, making it suitable for both cleanroom and industrial floor environments. The **double-acting operation** allows for precise bidirectional control, enabling the cylinder to extend and retract with equal force, which is essential for applications requiring symmetrical movement, such as indexing tables or robotic grippers. AVR s **sealed rod wiper and lip seals** provide superior protection against contaminants, reducing maintenance requirements and preventing premature failure, while the **integrated cushioning** on both the rod and cap sides ensures smooth, controlled deceleration, minimizing wear on connected components and reducing noise levels during operation.

For enhanced performance, the **PHD 1-3/8" 1-3/4"** cylinder is compatible with AVR s **standardized mounting options**, including **flange, trunnion, and clevis end fittings**, allowing for versatile integration into existing machinery or custom setups. The cylinder s **quick-connect fittings** (typically M5 or M8 threaded ports) facilitate easy installation and disconnection, streamlining maintenance and reducing downtime. Additionally, AVR s **air consumption optimization** ensures efficient operation, reducing energy costs while maintaining peak performance an important consideration for large-scale production lines. Whether deployed in **automotive assembly, food processing, or material sorting systems**, this cylinder offers a perfect blend of **compact footprint, high reliability, and adaptability**, making it a trusted choice for engineers and operators seeking a dependable pneumatic solution.

### **Pros and Cons of Buying a PHD 1-3/8" x 1-3/4" AVRF 1-3/8" x 1-3/4" Pneumatic Cylinder**

#### **Pros**

1. **Precision Engineering** The PHD series is known for high-quality manufacturing, ensuring tight tolerances, smooth operation, and durability. This reduces wear and tear, extending the cylinder s lifespan.

2. **Versatile Application** The 1-3/8" bore and 1-3/4" stroke (with AVRF Air Valve Return Function) makes it suitable for light to medium-duty pneumatic applications, such as packaging, material handling, clamping, and simple automation tasks.

3. **AVRF (Air Valve Return Function)** This feature allows the cylinder to return to its original position using compressed air instead of relying solely on springs or external forces. This simplifies system design and reduces dependency on additional components.

4. **Compact and Lightweight** The smaller size (1-3/8" bore) makes it ideal for applications where space is limited, such as in automated assembly lines or confined machinery.

5. **Compatibility with Standard Pneumatic Systems** It integrates seamlessly with common pneumatic fittings (e.g., M5, M8, or NPT) and control systems, making it easy to retrofit or incorporate into existing setups.

6. **Low Maintenance** High-quality seals and minimal moving parts reduce the need for frequent servicing, lowering operational downtime.

7. **Cost-Effective for Light-Duty Use** Compared to larger or more specialized cylinders, this model offers a balance between performance and affordability for basic pneumatic tasks.

---

#### **Cons**

1. **Limited Load Capacity** With a 1-3/8" bore, the force output is relatively low (typically around 100 200 lbs of force, depending on pressure). It is not suitable for heavy-duty applications requiring high thrust or frequent high-load cycles.

2. **Stroke Limitations** A 1-3/4" stroke is short, which may restrict its use in applications needing longer travel distances. For longer movements, a larger cylinder would be more appropriate.

3. **Pressure Dependency** Performance (speed, force) is directly tied to the input air pressure. Fluctuations in supply pressure can affect consistency, requiring stable pneumatic systems.

4. **Potential for Leaks** Like all pneumatic cylinders, seals can degrade over time, leading to air leaks. Regular inspection and maintenance are necessary to prevent inefficiencies.

5. **Noise and Vibration** Pneumatic cylinders can generate noise and vibration, especially at high speeds. This may require additional sound-dampening measures in sensitive environments.

6. **Limited Customization** Standard models may not offer specialized features (e.g., position sensors, magnetic rods, or custom mounting options) unless purchased as part of a premium package.

7. **Energy Inefficiency Compared to Electric Actuators** Pneumatic systems can be less energy-efficient than electric or hydraulic alternatives, particularly in applications with frequent cycling.

---

### **Conclusion**

The **PHD 1-3/8" x 1-3/4" AVRF pneumatic cylinder** is a well-suited choice for **light to medium-duty pneumatic applications** where space is constrained, and simplicity is prioritized. Its **AVRF feature** adds convenience by eliminating the need for springs or external return mechanisms, while its **compact size** makes it ideal for automated systems with limited installation space.

However, it is **not ideal for heavy-load applications** due to its small bore and limited stroke. Users should ensure their air supply is stable and properly filtered to maintain performance. For applications requiring **higher force, longer strokes, or extreme durability**, a larger cylinder or alternative actuator (e.g., electric or hydraulic) may be more appropriate.

### **Recommendation**

- You need a **reliable, low-maintenance pneumatic actuator** for light-duty tasks.

- Your application benefits from **AVRF (air-return functionality)** to simplify system design.

- Space constraints require a **compact solution** (1-3/8" bore).

- You operate in a **controlled environment** with stable compressed air supply.

- Your application demands **high force or heavy loads** (consider a larger bore, e.g., 2" or 3").

- You require **longer strokes** (e.g., beyond 2 3 inches).

- Noise, vibration, or energy efficiency is a critical concern (explore alternatives like electric linear actuators).

- You need **specialized features** (e.g., built-in sensors, magnetic rods) not offered in standard models.

For most **basic automation, packaging, or material handling tasks**, this cylinder provides a **cost-effective and functional solution**. Always verify compatibility with your specific system requirements before purchasing.

Details:

PHD AVRF 1-3/8 X 1-3/4 PNEUMATIC CYLINDER.

part #: 138x134 price

• $30.00

specifications hydraulicylind:

• brand: Phd
• mpn: 1-3/8x1-3/4
• part type: Pneumatic Cylinder
• suitable media: Compressed Air

returns hydraulicylind:

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

seller hydraulicylind:

• city: Troy, Ohio
• # reviews: 2831
• rating: 99.7%

shipping hydraulicylind:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• transit: 5-11 Days
• cost: $16.95
• carrier: USPS

offer hydraulicylind:

• started: February 26, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True

payments hydraulicylind:

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

general hydraulicylind:

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

Phd 1-3-8X1-3-4 Is Similar To:

• 02785201-01 Phd Cylinder (31.2% similar) New and unused...(September 1st, 2017)
• 03858580-02 Phd Rodless Gantry Rail Pneumatic Slide (42.3% similar) 12 godless gantry rail pneumatic slide ML303475: includes only what is shown in photos. Note: if theres a part you'd expect with this device and its not listed here or above explicitly shown in any of our photographs, please assume it is included. Installing an item of a non-matching part number can...(August 10th, 2018)
• 08589260-01 Phd Cylinder 1007 Avp (27.9% similar) Phd cylinder avdp 1 x 1-P new, old stock item photo show actual 14B...(January 27th, 2018)
• 09532290-01 Phd Cylinder 1203 Avp (27.9% similar) Phd cylinder 1203 avdp 1 x 1-P new, old stock item photo shows actual 14B...(January 27th, 2018)
• 09942336-02 Phd Pneumatic Cylinder (50.6% similar) Does not come in original packaging. Up for sale is one new Phd item may be a little dusty dirty from sitting on shelf...(January 9th, 2019)
• 19.9.18 Phd Guided Cylinder Travel Bore Fittings One Touch (27% similar) Our cut-off time for shipping an item is 3:45PM ct. Need this item next day. If you do not have an account no worries. 9, fittings: 1/8 one touch fittings...(November 27th, 2018)
• 3-4x2 Phd Lot Of New Bore Stroke Pnuematic Cylinder Npt Ports (47.4% similar) Lot of 2 new Phd 3/4 bore stroke pneumatic cylinder 1/8 not ports 4X2 clean unused surplus cylinders w out original packaging...(June 14th, 2018)
• 54387-2 Phd Cylinder Repair Kit (28.6% similar) This item is to be installed and maintained by qualified individuals. Items include only what you see in the photo, if need an accessory that is not pictured ask. Shipping costs are based on rate, packaging material, etc. E-mail any questions. If are looking to combine shipping, please send a note ...(June 16th, 2018)
• 8410-01-001 Phd Inc Pneumatic Gripper (40% similar) Standard shipping prices are only good for the lower 48 states. Your satisfaction is extremely important to us. This unit has been used. Do not discard the packaging. DOA stands for dead on arrival, meaning that the item did not function properly when it arrived. All parts, accessories, cables, etc...(September 24th, 2017)
• 8430-02-501 Phd Inc Angular Pneumatic Grippers 8420-02-501 (37.8% similar) All tested and working like new. This is for 5 lightly used grippers as shown in the photos...(February 25th, 2018)
• A3vb13-8x101-2x7-m Phd Two Position Air Cylinder Bore Strokes (29.8% similar) Never cover the small vent filter near block. Phd A3VB13 8X101 2X7-M two position cylinder bore strokes. Total stroke of magnetic piston sports x mounting. 1/4 not total length with shafts. 5/8 shaft threads. 4 tapped holes - 2 each cap on bottom approximate weight. 8 lbs operation:apply pressure ...(September 24th, 2018)