The Neles Easyflow SC Series piston-cylinder linear actuator combines high cycle life and robust construction with compliance with ISO 15552 and VDMA 24562 standards, while offering a wide range of functions and options.
SC Series Piston-Cylinder Linear Actuator | Neles Easyflow™
Neles Easyflow
SC Series Piston-Cylinder Linear Actuator | Neles Easyflow
Pneumatic piston-cylinder linear actuator for fast operation of gate valves, globe valves, and dampers.
- Category
- Actuators
Installation notes
Adjusting Cushions at Both Ends
During installation and commissioning, gradually adjust the cushions at both ends of the actuator so the piston reaches the end of its stroke without a noticeable impact. This prevents the piston from striking the end cap, which can increase component stress and equipment vibration.
Continuous Oil Mist Lubrication
The actuator does not require additional oil mist lubrication during normal operation. If oil mist lubrication is introduced, it must be supplied continuously to prevent internal wear or abnormal operation caused by interrupted lubrication.
Isolate and Depressurize Before Disassembly
Before maintaining, servicing, or disassembling the actuator, isolate the air supply and release any residual pressure. Also disconnect the relevant electrical and pneumatic connections to prevent injury or equipment damage caused by unexpected movement or the release of residual pressure.
FAQ
Which valves and equipment is the Neles Easyflow SC Series suitable for actuating?
The SC Series is a pneumatic piston-cylinder linear actuator designed for fast operation of gate valves, globe valves, dampers, and other linear-motion valves. Applications include factory automation, general process applications, and control and on/off applications requiring a high cycle life.
Which thrust and operating conditions should be checked when selecting the SC Series?
The SC Series has a thrust range of 69–7850 N, a maximum operating pressure of 10 bar, an operating temperature range of -20 to +80 °C, and an ingress protection rating of IP67. When selecting an actuator, check the thrust required by the valve, the supply air pressure, and the operating temperature. Consult Neles for high- or low-temperature versions.
What design features reduce friction and allow adjustment of end-of-stroke cushioning on the SC Series?
The SC Series cylinder barrel is made from extruded aluminum profile and is micro-honed to achieve very low friction. Adjustable cushions are provided at both ends of the actuator to control end-of-stroke cushioning. The overall design emphasizes durability and a high cycle life.
Which standards do the SC Series mounting interfaces comply with?
The SC Series mounting interfaces comply with ISO 15552 and VDMA 24562. These standards can be used to verify mounting interface compatibility during mechanical selection.
For emergency shutdown applications, how should double-acting versions, spring-return options, and SIL capability be distinguished on the SC Series?
The SC Series is suitable for emergency shutdown applications and has SIL 3 capability. The listed version is double-acting; consult Neles for spring-return versions. When selecting an actuator for emergency shutdown, verify the required action type and SIL capability separately. A double-acting version should not be treated as a spring-return configuration.