China Standard CZPT C Aluminum Alloy Die-Casting Pneumatic Cylinder vacuum pump belt

Product Description

Product Description
Model: RT series Pneumatic Actuator



Position indicator with NAMUR is convenient for mounting accessories such as limit switch box, positioner and so on.

The pinion is high-precision and integrative, made from nickel alloy steel, full conform to the latest standards of ISO5211,DIN3337,NAMUR.The dimensions can be customized and the stainless steel is available.

3. Actuator body
According to the different requirements, the extruded aluminum alloy ASTM6005 body can be treated with hard anodized, powder polyester painted (different colors is available such as blue, orange, yellow etc.) or PTFE or nickel plated.

4.End caps
Die-casting aluminum powder polyester painted in different colors, PTFE or nickel plated.

The twin rack pistons are made from die-casting aluminum treated with hard anodized or made from cast steel with galvanization .Symmetric mounting position, long cycle life and fast operation, reversing rotation by simply inverting the pistons.

6.Travel adjustment 
The 2 independent external travel stop adjustment bolts can adjust 5˚ at both open and close directions easily and precisely.

7.High performance springs
Preloaded coating springs are made from the high quality material for resistant to corrosion and longer cycle life, which can be demounted safely and conveniently to satisfy different requirements of torque by changing quantity of springs.

8.Bearings & guides
Made from low friction, long-life compound material, to avoid the direct contact between metals. The maintenance and replacement are easy and convenient.

9. O-rings
NBR rubber o-rings provide trouble-free operation at standard temperature ranges. For high and low temperature, viton or silicone is used.

(2)Parts and Material


1. CE and ISO certificate
2. Strictly quality control
3. Good quality at a favorable price
4. Excellent After-service
5. Fast delivery time

Material Extruded Aluminum alloy
Rotary Angle 0~90 degree  ±5°
Structure Rack and pinion rotary actuator
Working Pressure 2~8bar
Surface Treatment Hard anodizing
Working Temperature Normal Temperature: -20ºC(-4°F) ~ 80ºC (+176°F)

High Temperature: -15ºC(+5°F) ~ 150ºC (+302°F)

Low Temperature: -40ºC(-104°F) ~ 80ºC (+176°F)

Connection NAMUR, ISO5211 and DIN3337
Application ball valve, butterfly valve, and rotary machine
Cup Color grey, black, sky blue, dark blue, red, orange

(4)Our factory


Brand: Alpha
Power: Pneumatic
Adjusted Form: Switching Type
Working Type: Rotary
Pressure: Medium Pressure
Work Temperature: Normal Temperature
US$ 95/Piece
1 Piece(Min.Order)




rotary cylinder

How do rotary cylinders contribute to precise rotational control?

Rotary cylinders play a crucial role in achieving precise rotational control in various applications. Here’s a detailed explanation:

1. Actuation Methods: Rotary cylinders utilize hydraulic or pneumatic actuation methods to generate rotational motion. These actuation methods offer precise control over the application of force, allowing for accurate and controlled rotation.

2. Control Valves: Control valves are used to regulate the fluid flow into and out of the rotary cylinder. By adjusting the valve settings, the rotational speed and direction can be precisely controlled, enabling precise rotational control.

3. Feedback Systems: Some rotary cylinders incorporate feedback systems, such as position sensors or encoders, to provide real-time information about the cylinder’s rotational position. This feedback enables precise control over the rotational movement, allowing for accurate positioning and synchronization with other system components.

4. Stroke Adjustment: Rotary cylinders often have adjustable stroke lengths, which allow for precise control over the range of rotational movement. By adjusting the stroke, the rotational angle can be precisely controlled, enabling precise rotational control for specific applications.

5. Positioning Guides: Rotary cylinders may feature positioning guides, such as grooves or slots, that help guide and stabilize the rotational movement. These guides ensure precise alignment and minimize deviations or wobbling during operation, contributing to precise rotational control.

6. Precision Manufacturing: Rotary cylinders are manufactured with high precision to ensure smooth and accurate rotation. The use of high-quality materials, precision machining, and tight tolerances contribute to precise rotational control, minimizing unwanted variations or errors.

7. Integration with Control Systems: Rotary cylinders can be seamlessly integrated with control systems, allowing for precise control over the rotational motion. They can be programmed and synchronized with other system components, such as sensors, actuators, and PLCs, to achieve precise rotational control in complex automation processes.

These factors combined contribute to the precise rotational control achieved through the utilization of rotary cylinders. It’s important to consult manufacturers’ documentation and guidelines for specific information on the capabilities and limitations of rotary cylinders in achieving precise rotational control.

rotary cylinder

How do rotary cylinders contribute to controlled and precise rotation?

Rotary cylinders play a significant role in achieving controlled and precise rotation in various applications. Here’s a detailed explanation:

1. Fluid-Powered Actuation: Rotary cylinders utilize hydraulic or pneumatic fluid to generate rotary motion. By controlling the flow of fluid into and out of the cylinder, the rotation can be precisely regulated. This fluid-powered actuation allows for smooth and controlled rotation with high accuracy.

2. Adjustable Pressure and Flow: The pressure and flow of the fluid supplied to the rotary cylinder can be adjusted to control the rotational speed and torque. By varying the pressure or flow rate, the cylinder’s rotational characteristics can be fine-tuned to achieve the desired level of control and precision.

3. Position Feedback Devices: To enhance control and precision, rotary cylinders can be equipped with position feedback devices such as rotary encoders or potentiometers. These devices provide real-time feedback on the cylinder’s rotational position, allowing for accurate positioning and control over the rotation.

4. Servo Control Systems: Rotary cylinders can be integrated into servo control systems, which offer advanced control capabilities. Servo systems use feedback signals to continuously monitor and adjust the cylinder’s position, speed, and torque. This closed-loop control mechanism enables precise rotation and ensures the desired positional accuracy is maintained.

5. Speed and Acceleration Control: Rotary cylinders provide control over the rotation speed and acceleration. By adjusting the fluid flow rate or pressure, the rotational velocity and acceleration can be precisely controlled. This feature is particularly beneficial in applications that require smooth and gradual acceleration or deceleration to prevent jerky movements or damage to the equipment.

6. Positioning Accuracy: Rotary cylinders offer excellent positioning accuracy, allowing for precise angular displacement. By combining precise control of fluid flow and feedback from position sensors, the cylinder can accurately reach and maintain specific rotational positions. This level of positioning accuracy is crucial in applications that require precise alignment or synchronization with other components or processes.

7. Repeatability: Rotary cylinders exhibit high repeatability, meaning they can repeatedly achieve the same rotational position with minimal variation. This characteristic is essential in tasks that require consistent and repeatable rotational movements, such as assembly, indexing, or machining processes.

8. Compatibility with Control Systems: Rotary cylinders can be seamlessly integrated into various control systems, such as programmable logic controllers (PLCs) or computer numerical control (CNC) systems. This compatibility enables precise coordination and synchronization of rotary motion with other machine operations, ensuring controlled and precise rotation within the overall system.

9. Compact and Lightweight Design: Rotary cylinders are often designed to be compact and lightweight, reducing rotational inertia and enabling faster response times. This design characteristic contributes to the overall control and precision of the rotation.

10. Customization and Optimization: Manufacturers offer a wide range of rotary cylinder models with different performance characteristics. This allows users to select the most suitable cylinder based on their specific control and precision requirements. Customization options further enhance the ability to tailor the cylinder’s performance to meet specific application needs.

By incorporating these features and technologies, rotary cylinders contribute to controlled and precise rotation in a wide range of industrial and automation applications.

rotary cylinder

What are the key components and design features of a rotary cylinder?

A rotary cylinder consists of several key components and design features that enable its operation. Here’s a detailed explanation:

Key Components:

1. Housing: The housing is a cylindrical structure that encloses the internal components of the rotary cylinder. It provides support and protection to the internal mechanisms.

2. Piston or Vane: The piston or vane is the component that converts fluid pressure into rotary motion. In rack-and-pinion rotary cylinders, the piston engages with a rack to generate rotation. In vane or gear rotary cylinders, the piston or vane is responsible for creating the rotary motion directly.

3. Seals: Seals are used to prevent leakage of fluid and maintain pressure within the cylinder. They are typically made of rubber or other materials that provide a tight and reliable seal.

4. Bearings: Bearings are used to support the rotating components and reduce friction. They ensure smooth and efficient movement of the piston or vane within the cylinder.

Design Features:

1. Mechanism Type: Rotary cylinders can have different mechanism types, such as rack-and-pinion, vane, or gear mechanisms. The choice of mechanism depends on factors such as the required torque, speed, and application requirements.

2. Mounting Options: Rotary cylinders may have various mounting options to facilitate their installation and integration into different machinery or systems. Common mounting options include flange mounts, foot mounts, and trunnion mounts.

3. Fluid Connections: Rotary cylinders require fluid connections to supply hydraulic fluid or compressed air for their operation. These connections allow the cylinder to receive and release the fluid as needed to generate the rotary motion.

4. Motion Control: Some rotary cylinders may feature additional components for motion control, such as position sensors or limit switches. These components allow for precise control and monitoring of the rotary motion, enabling automation and system feedback.

5. Size and Capacity: Rotary cylinders come in various sizes and capacities to accommodate different application requirements. The size and capacity of a rotary cylinder determine its torque output, speed capabilities, and overall performance characteristics.

6. Material Selection: The materials used in the construction of a rotary cylinder are chosen based on factors such as strength, durability, and compatibility with the operating environment. Common materials include steel, aluminum, and various alloys.

Overall, the key components and design features of a rotary cylinder work together to convert fluid power into rotary motion efficiently and reliably. These components and features ensure smooth operation, precise control, and the ability to meet the demands of specific applications.

It’s important to consult the manufacturer’s documentation and guidelines for specific information on the components, design, and maintenance of rotary cylinders.

China Standard CZPT C Aluminum Alloy Die-Casting Pneumatic Cylinder   vacuum pump belt	China Standard CZPT C Aluminum Alloy Die-Casting Pneumatic Cylinder   vacuum pump belt
editor by CX 2023-12-14