Specifications
| Parameter | Description |
|---|---|
| Product Name | Pneumatic Rotary Actuator |
| Series | RTM Series |
| Actuation Type | Double Acting |
| Drive Structure | Vane Rotary Mechanism |
| Available Models | RTM10, RTM15, RTM20, RTM30, RTM40, RTM50, RTM63, RTM80, RTM100, RTM125, RTM150 |
| Torque Range | 0.14–113 N·m |
| Rotation Angles | 90°, 180°, 270° |
| Working Medium | Filtered Compressed Air |
| Pressure Range, RTM10–RTM40 | 0.20–0.70 MPa |
| Pressure Range, RTM50–RTM150 | 0.15–0.70 MPa |
| Ambient and Fluid Temperature | 0–50°C |
| Body Material | Aluminum Alloy |
| Port Sizes | M5×0.8P, PT1/8, PT1/4, PT3/8, PT1/2 |
| Sensor Options | CS-8G, CS-8GN, CS-8GP or CS-8B, depending on model |
| Compatible Series | Compatible with CHELIC RTM Series |
Model Selection
| Model | Torque | Bore Size | Pressure Range | Allowable Kinetic Energy | Port Size |
|---|---|---|---|---|---|
| RTM10 | 0.14 N·m | Ø4 mm | 0.20–0.70 MPa | 0.00015 J | M5×0.8P |
| RTM15 | 0.38 N·m | Ø5 mm | 0.20–0.70 MPa | 0.001 J | M5×0.8P |
| RTM20 | 0.78 N·m | Ø6 mm | 0.20–0.70 MPa | 0.003 J | M5×0.8P |
| RTM30 | 1.8 N·m | Ø8 mm | 0.20–0.70 MPa | 0.02 J | M5×0.8P |
| RTM40 | 3.8 N·m | Ø10 mm | 0.20–0.70 MPa | 0.04 J | M5×0.8P |
| RTM50 | 5 N·m | Ø12 mm | 0.15–0.70 MPa | 0.082 J | PT1/8 |
| RTM63 | 10 N·m | Ø15 mm | 0.15–0.70 MPa | 0.12 J | PT1/8 |
| RTM80 | 18 N·m | Ø17 mm | 0.15–0.70 MPa | 0.39 J | PT1/4 |
| RTM100 | 35 N·m | Ø25 mm | 0.15–0.70 MPa | 0.60 J | PT1/4 |
| RTM125 | 60 N·m | Ø30 mm | 0.15–0.70 MPa | 1.03 J | PT3/8 |
| RTM150 | 113 N·m | Ø40 mm | 0.15–0.70 MPa | 1.94 J | PT1/2 |
Model Range
Small RTM Rotary Actuators
RTM10 / RTM15 / RTM20 / RTM30 / RTM40
The small RTM models provide torque outputs from 0.14 to 3.8 N·m. They use M5×0.8P air ports and operate within a pressure range of 0.20–0.70 MPa. Standard and flange mounting types are available, together with optional angle adjustment and sensor configurations.
Large RTM Rotary Actuators
RTM50 / RTM63 / RTM80 / RTM100 / RTM125 / RTM150
The large RTM models provide torque outputs from 5 to 113 N·m. Port sizes range from PT1/8 to PT1/2, and the operating pressure range is 0.15–0.70 MPa. Optional shock absorbers and sensor brackets can be selected for controlled rotary motion.
How to Order

Small Model Ordering Example
RTMF-10×180-L-C1-8G1
| Code | Selection |
|---|---|
| RTM | Product series |
| F | Flange type; omit for standard type |
| 10 / 15 / 20 / 30 / 40 | Torque model |
| 90 / 180 / 270 | Rotation angle |
| L | Adjustable angle option |
| C | With sensor bracket |
| 1 / 2 | Sensor bracket quantity |
| 8G / 8GN / 8GP | Sensor switch type |
| 1 / 2 | Sensor quantity |
Large Model Ordering Example
RTM50×180-LA1-C1-8B1
| Code | Selection |
|---|---|
| RTM | Product series |
| 50 / 63 / 80 / 100 / 125 / 150 | Torque model |
| 90 / 180 / 270 | Rotation angle |
| LA | Shock absorber option |
| 1 / 2 | Shock absorber quantity |
| C | With sensor bracket |
| 1 / 2 | Sensor bracket quantity |
| 8B | CS-8B sensor switch |
| 1 / 2 | Sensor quantity |
Product Features
Compact Vane Rotary Structure
The compact vane drive mechanism converts compressed air into controlled angular motion while reducing the installation space required inside automated machinery.
Wide Torque Selection
Eleven models are available with torque outputs ranging from 0.14 to 113 N·m, allowing the actuator to be selected for light positioning devices or higher-load rotary mechanisms.
Three Standard Rotation Angles
Standard 90°, 180°, and 270° versions are available for indexing, reversing, turning, clamping, transfer, and positioning operations.
Stable Double-Acting Operation
Compressed air is applied alternately to both sides of the vane to provide controlled forward and reverse rotation with consistent torque output.
Small and Large Model Options
RTM10–RTM40 models provide a compact solution for limited installation spaces, while RTM50–RTM150 models support applications requiring higher torque and greater allowable kinetic energy.
Optional Angle Adjustment
Selected small models can be supplied with an adjustable-angle mechanism for fine adjustment of the final rotation position.
Optional Shock Absorber Configuration
Large models can be configured with one or two shock absorbers to reduce impact at the end of rotation and improve motion stability.
Sensor-Ready Position Detection
Optional sensor brackets and magnetic switches allow the actuator position to be detected and connected to automated control systems.
Durable Aluminum Alloy Construction
The lightweight aluminum alloy body provides corrosion resistance, reduced machine weight, and dependable performance in industrial environments.
Replacement for Existing RTM Units
The standardized model range makes the actuator an ideal replacement for CHELIC RTM Series units used in compatible pneumatic equipment.
Applications
Rotary Positioning Systems
Provides repeatable angular movement for fixtures, worktables, stops, selectors, and positioning mechanisms.
Pneumatic Clamping Equipment
Suitable for rotating clamps, fixture arms, locking devices, and workpiece holding mechanisms.
Packaging Machinery
Used for turning, folding, indexing, guiding, and repositioning components in automated packaging lines.
Material Transfer Equipment
Controls rotary movement in pick-and-place units, transfer devices, feeding mechanisms, and conveyor systems.
Assembly Automation
Supports repeated component turning and angular positioning in automated assembly equipment.
Electronic Manufacturing Equipment
Suitable for compact positioning and transfer mechanisms used in electronic component production.
Printing and Labeling Machines
Provides controlled rotary movement for paper handling, labeling, cutting, and printing mechanisms.
Inspection and Testing Equipment
Used to rotate workpieces, sensors, cameras, or testing fixtures to specified angular positions.
Why Choose HOMIPNEU
- Complete model range from RTM10 to RTM150
- Torque output from 0.14 to 113 N·m
- 90°, 180°, and 270° rotation options
- Separate compact and high-torque model configurations
- Optional angle adjustment, sensor brackets, and shock absorbers
- Stable double-acting vane operation
- Durable aluminum alloy actuator body
- Technical assistance for model selection
- Support for distributors, equipment manufacturers, and system integrators
- Consistent quality control and international shipping support
FAQ
What models are available in the RTM Series?
The series includes RTM10, RTM15, RTM20, RTM30, RTM40, RTM50, RTM63, RTM80, RTM100, RTM125, and RTM150. Torque output ranges from 0.14 to 113 N·m.
What rotation angles are available?
The RTM Series is available with standard rotation angles of 90°, 180°, and 270°. The required angle should be included in the complete ordering code.
What is the operating pressure of the RTM actuator?
RTM10–RTM40 models operate at 0.20–0.70 MPa. RTM50–RTM150 models operate at 0.15–0.70 MPa.
How should I select the correct RTM model?
Model selection should consider the required torque, operating pressure, rotational speed, load inertia, allowable kinetic energy, installation space, and required rotation angle. A safety margin should be included when calculating actuator torque.
Can the rotation angle be adjusted?
Selected small RTM models can be supplied with an adjustable-angle option. The adjustment code is added to the complete model number.
Are shock absorbers available?
Shock absorber configurations are available for the larger RTM models. One or two shock absorbers can be selected depending on the operating speed and load conditions.
Can sensors be installed?
Yes. Sensor brackets and magnetic sensor switches are available for detecting the actuator position. Sensor options vary between small and large models.
Is the actuator interchangeable with CHELIC RTM Series?
The model structure and main technical specifications are interchangeable with CHELIC RTM Series for corresponding sizes. Installation dimensions, shaft configuration, port thread, rotation angle, and accessory options should be confirmed before replacement.
What is the difference between RTM10 and RTM150?
RTM10 is the smallest model and provides 0.14 N·m torque with an M5×0.8P port. RTM150 is the largest model and provides up to 113 N·m torque with a PT1/2 port.
What air preparation is recommended?
Use clean, filtered compressed air and install suitable air treatment equipment upstream. Pressure should remain within the specified range for the selected model.
Customization Support
HOMIPNEU provides OEM & ODM support for RTM pneumatic rotary actuators, including rotation-angle configurations, shaft and mounting requirements, sensor combinations, product marking, packaging, and model selection for machinery manufacturers, distributors, and pneumatic system integrators.


