Neles B1 Series pneumatic cylinder quarter-turn actuators are double-acting pneumatic cylinder actuators with an output torque range of 28 to 100000 Nm and a supply pressure range of 2.8 to 10 bar. The product complies with ISO 5211 and VDI/VDE 3845 mounting standards and provides IP66/IP67 protection, Ex II 2G/D explosion protection, and a wide operating temperature range of -55 to +120 °C. They are primarily used for modulating and on-off control of rotary valves and are suitable for industrial automation applications requiring high cycling, fast and responsive operation, and low-temperature performance.
Neles pneumatic cylinder actuator, B1 Series
Neles
Neles B1 Series Pneumatic Cylinder Quarter-Turn Actuators
Double-acting pneumatic cylinder actuators for rotary valve modulating and on-off control
- Category
- Actuators
- Supply Pressure Range
- 2.8 - 10 bar
- Output Torque Range
- 28 - 100000 Nm
Specifications
- Actuator Type
- Pneumatic cylinder actuator
- Operating Mode
- Double-acting
- Supply Pressure Range
- 2.8 - 10 bar
- Output Torque Range
- 28 - 100000 Nm
- Operating Temperature Range
- -55 to +120 °C
- Ingress Protection Rating
- IP66, IP67 (IEC 60529)
- Explosion Protection Rating
- Ex II 2G/D c IIC TX
- Mounting Standards
- ISO 5211, VDI/VDE 3845
- Type Approval Requirement
- EN 15714-3
- Paint Corrosion Protection Rating
- C3-M, C5-H (ISO 12944-2, EN 15714-3)
Application scenarios
Rotary Valve Modulation Control and High-Cycle Operation
For rotary valve modulation control applications, the actuator provides fast, responsive operation and long cycle life, making it suitable for industrial process control requiring continuous or frequent adjustment.
Rotary Valve On-Off Control
For rotary valve on-off control applications, double-acting pneumatic quarter-turn operation completes valve opening and closing, making it suitable for automated valve control requiring fast and responsive operation.
Rotary Valve Automation in Low-Temperature Environments
For rotary valve automation and actuation applications with operating temperatures ranging from -55 to +120 °C, as the product documentation explicitly supports this operating temperature range and rotary valve actuation.
Selection points
Wide Output Torque Range
The B1 Series provides an output torque range of 28 to 100000 Nm, supporting rotary valve actuator selection for different torque requirements.
Wide Operating Temperature Range
The B1 Series operates from -55 to +120 °C, allowing actuator selection based on the actual ambient temperature.
Protection and Corrosion-Resistant Coating Options
The B1 Series provides IP66 and IP67 protection ratings and C3-M and C5-H coating corrosion protection ratings, supporting selection for applicable environmental and corrosion protection requirements.
Suitable for Modulating and On-Off Control
The B1 Series is suitable for modulating and on-off control applications and provides a long cycle life.
Standardized Mounting Interfaces
B1 Series mounting complies with ISO 5211 and VDI/VDE 3845, supporting integration with rotary valves and accessories using the corresponding standard interfaces.
Installation notes
Control the Supply Pressure Range
Before connecting the air supply, confirm that the supply pressure is within the specified range of 2.8 to 10 bar for the selected model.
Control the Operating Temperature Range
The actual installation and operating environment temperature must remain within the specified range of -55 to +120 °C for the selected model.
Align and Secure the Standard Mounting Interface
When connecting the actuator to the rotary valve, use mounting interfaces compliant with ISO 5211 and VDI/VDE 3845, and align and secure the components according to the interface requirements.
FAQ
What valve control tasks are Neles B1 Series pneumatic cylinder actuators suitable for?
The Neles B1 Series consists of piston-type pneumatic quarter-turn actuators suitable for modulating and on-off control applications and capable of operating various rotary valves. Applications include emergency shutdown, compressor anti-surge control, high-cycling control, high-precision control, and polar operating conditions.
What are the supply pressure, torque, and operating temperature ranges of the B1C double-acting actuator?
The B1C double-acting model has a supply pressure range of 2.8 to 10 bar, an output torque range of 28 to 100000 Nm, and an operating temperature range of -55 to +120 °C. The specific configuration must be confirmed according to the actual model and application conditions.
Can the Neles B1 Series be used for emergency shutdown (ESD) applications?
Yes. The B1 Series is suitable for various application conditions, including demanding ESD applications, and is available in double-acting and spring-return configurations. Emergency shutdown applications should be selected based on the valve's required fail action, target torque, supply conditions, and ambient temperature.
How can the mounting interface and protection performance of the B1 Series actuator be confirmed?
The B1 Series uses an ISO 5211 mounting face and VDI/VDE 3845 interface, enabling installation with compatible rotary valves and accessories. The protection ratings are IP66 and IP67 in accordance with IEC 60529. For hazardous-area applications, suitability can be confirmed based on the Ex II 2G/D c IIC TX rating and the actual installation environment.
How should a B1 Series actuator be selected for high-cycling or high-precision control applications?
During selection, first confirm the valve type, required on-off or modulating torque, supply pressure, operating mode, ambient temperature, and mounting interface. The B1 Series provides a long cycle life, fast and responsive operation, and a wide torque range, making it suitable for high-cycling control and on-off applications. For demanding environments, also confirm the required material, spring, override, locking, and coating options.