BIMBA FT-312-3 Pneumatic Cylinder Rotating Double Acting Npt FLAT-1 1/8

( Brand: Bimba ), ( Manufacturer Part Number: FT-312-3 ), ( Part Type: Pneumatic Cylinder ), ( Cylinder Action: Double-acting )

Review BIMBA Pneumatic Cylinder Non Rotating Double Acting 1/8 Inch Npt

The **Bimba FT-312-3 Flat-1 Pneumatic Cylinder** is a precision-engineered, double-acting rotary actuator designed for high-performance applications requiring reliable rotational motion with minimal maintenance. Part of Bimba s renowned FT series, this compact yet robust cylinder features a **1/8 NPT** port connection, ensuring compatibility with standard pneumatic systems while delivering efficient air consumption and consistent performance. With a **312-degree rotation** (adjustable within its operational range), this cylinder provides smooth, controlled movement ideal for indexing, clamping, positioning, or any application demanding precise angular displacement. Its **flat-1 design** incorporates a low-profile, streamlined housing that minimizes space requirements while maximizing structural integrity, making it well-suited for integration into tight machinery layouts. Constructed from high-quality materials, including corrosion-resistant coatings and reinforced seals, the FT-312-3 ensures durability across demanding environments, from industrial automation to packaging and material handling systems. The double-acting mechanism allows for bidirectional control, enabling the cylinder to rotate both clockwise and counterclockwise with equal force, thanks to its balanced pneumatic design. This feature, combined with Bimba s proprietary **rotary vane technology**, delivers smooth, vibration-free operation and extended service life, even under cyclic loading conditions. The cylinder s **1/8 NPT ports** facilitate easy connection to standard pneumatic lines, while its modular construction allows for straightforward installation and maintenance. Whether deployed in automated assembly lines, robotic systems, or specialized machinery, the Bimba FT-312-3 Flat-1 offers a dependable solution for applications requiring precise, repeatable rotational motion with minimal downtime. Its combination of compact form factor, high torque output, and seamless integration capabilities makes it a versatile choice for engineers seeking efficiency and reliability in pneumatic actuation.

### **Pros and Cons of buying a Bimba FT-312-3 Flat-1 Pneumatic Cylinder (1/8 NPT, Double-Acting)**

1. **Compact and Flat Design** The FT-312-3 features a low-profile, flat mounting style, making it ideal for applications with limited space. This is particularly useful in automated systems, robotic arms, or machinery where clearance is a concern.

2. **Double-Acting Operation** Being double-acting means the cylinder can extend and retract under pneumatic control, providing precise bidirectional movement. This eliminates the need for external springs or gravity-dependent return strokes, improving efficiency in automated processes.

3. **1/8 NPT Porting** The 1/8 NPT ports are standard and widely compatible with most pneumatic fittings, valves, and control systems. This makes integration into existing setups easier without requiring custom adapters.

4. **High Reliability and Durability** Bimba is a reputable manufacturer known for producing high-quality pneumatic components. The FT-312-3 is likely built to withstand repeated cycles, making it suitable for industrial or high-volume applications.

5. **Precision and Repeatability** Pneumatic cylinders like this one offer consistent, repeatable motion, which is critical in applications requiring accuracy, such as packaging, assembly, or testing equipment.

6. **Low Maintenance** Pneumatic systems generally require less maintenance compared to hydraulic systems, as they do not rely on fluids that can degrade over time. The FT-312-3 should have minimal wear if properly lubricated and maintained.

7. **Compatibility with Standard Air Supply** It operates on standard compressed air (typically 80 100 psi), meaning no specialized power source is needed, reducing additional costs.

8. **Versatile Mounting Options** While it is a flat-mount design, it can often be adapted to other mounting styles with minimal modifications, increasing its flexibility in different setups.

9. **Quiet Operation** Compared to some hydraulic or electric actuators, pneumatic cylinders like this one tend to operate more quietly, which can be beneficial in noise-sensitive environments.

10. **Cost-Effective for Short Strokes** For applications requiring short strokes (312 mm in this case), pneumatic cylinders can be more economical than electric or hydraulic alternatives, especially when factoring in power consumption and installation complexity.

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1. **Limited Stroke Length** At 312 mm, this cylinder has a relatively short stroke. For applications requiring longer movements, a different model or multiple cylinders may be necessary, increasing complexity and cost.

2. **Dependence on Compressed Air** Pneumatic systems require a reliable air supply, which may not always be available or may introduce variability if pressure fluctuates. Power outages or air supply failures can halt operations.

3. **Speed Limitations** While pneumatic cylinders are fast, their speed is limited by the air pressure and flow rate. For extremely high-speed applications, electric or hydraulic actuators might be more suitable.

4. **Potential for Leaks** Over time, seals and fittings can wear out, leading to air leaks. This not only reduces efficiency but also increases maintenance requirements. Regular inspections are necessary to prevent downtime.

5. **Less Suitable for Heavy Loads** While this cylinder is robust, it may not be ideal for extremely heavy or high-force applications. For such cases, larger or reinforced cylinders would be required.

6. **Temperature Sensitivity** Pneumatic systems can be affected by extreme temperatures, which may impact seal performance or air viscosity. In environments with wide temperature fluctuations, additional precautions (e.g., air drying or heating) may be needed.

7. **Noise and Vibration** While generally quieter than some alternatives, pneumatic cylinders can still produce noticeable noise and vibration, which may be a concern in sensitive applications.

8. **Limited Customization** Unlike electric actuators, pneumatic cylinders offer fewer options for fine-tuning speed, force, or position without additional control systems (e.g., valves, regulators). Customization may require external components.

9. **Environmental Considerations** Pneumatic systems can be less energy-efficient than electric alternatives, especially if air is frequently vented or wasted. In eco-conscious applications, this may be a drawback.

10. **Potential for Contamination** If the air supply is not properly filtered, moisture, oil, or debris can enter the cylinder, causing wear or failure. This requires additional filtration equipment, adding to the system cost.

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The **Bimba FT-312-3 Flat-1 pneumatic cylinder** is a well-suited choice for applications requiring **compact, double-acting, and precise pneumatic actuation** within a **short stroke range (312 mm)**. Its **standard 1/8 NPT ports, reliability, and ease of integration** make it a practical option for automated systems, packaging, testing, or assembly lines where space is limited and bidirectional motion is needed.

However, it is **not ideal for long-stroke applications, heavy loads, or environments with unstable air supply or extreme temperatures**. Additionally, **maintenance requirements (e.g., seal checks, air filtration) must be addressed** to ensure longevity. If your application demands **higher speeds, longer strokes, or greater force**, alternative actuators (e.g., electric, hydraulic, or larger pneumatic cylinders) may be more appropriate.

- Your application requires a **short, precise, double-acting stroke** in a **space-constrained environment**.

- You already have a **reliable compressed air supply** and can integrate standard 1/8 NPT fittings.

- The **load and speed requirements** fall within the cylinder s specifications (check Bimba s documentation for exact force and speed capabilities).

- You prioritize **low maintenance and cost-effectiveness** for moderate-duty cycles.

- You need **longer strokes, higher forces, or extreme precision** (e.g., for heavy-duty industrial or CNC applications).

- Your environment has **unstable air pressure, high contamination, or extreme temperatures**.

- **Energy efficiency or noise reduction** is a critical factor (electric actuators may be better).

- You require **fine-tuned speed control without additional valves** (a servo pneumatic or electric actuator might be preferable).

- Verify the **actual force output** at your operating pressure (Bimba s specs may assume standard conditions).

- Ensure your **air supply is properly filtered and dried** to protect the cylinder s seals.

- Consider **backup power or air sources** if downtime is unacceptable.

- If possible, test a prototype or consult Bimba s technical support to confirm compatibility with your specific setup.

Overall, the FT-312-3 is a **solid, practical choice for many automated pneumatic applications**, provided its limitations align with your needs.

Details:

Double-acting non-rotating dual/twin piston rod pneumatic compact cylinder - IMI Bimba Flat-II Non-Rotating series 2 bore B2 stroke S2 Threaded mounting holes both ends 5/16-18 UNC female threaded 1/8 NPT port Stainless steel 303 / 304 body Buns-N seals. See photos for details. USPS Ground and Priority. Please understand this is out of our control.

This very often causes a delay in the first scan. On rare occasion, USPS or FedEx may delay a package. Bimba Flat-1 FT-312-3 Pneumatic Cylinder Non Rotating Double Acting 1/8 NPT Some scuffs and marks on unit. USPS will then deliver the item.

part #: ft3123 prices

• $80.00-$224.35

specifications hydraulicylind:

• brand: Bimba
• mpn: Ft-312-3
• part type: Pneumatic Cylinder
• cylinder action: Double-acting

offer hydraulicylind:

• availability: In Stock
• started: March 10, 2026
• quantity: 2
• sold: 0
• options: Ship-to-home

shipping hydraulicylind:

• cost: $0.00
• carrier: USPS
• class: Standard, Expedited
• type: Fixed
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 3-7 Days

general hydraulicylind:

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

seller hydraulicylind:

• rating: 99.4%
• city: Kansas City, Missouri
• # reviews: 26434

payments hydraulicylind:

• other
• wallet: Google-pay
• credit card: Diners-club

returns hydraulicylind:

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

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