Airtac SC50 Standard Cylinder SC50X270S
The AirTAC Airtac SC50 Standard Cylinder SC50X270S is a genuine double-acting standard air cylinder with a Ø50mm bore and 270mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke270 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X270S
The AirTAC SC50X270S is a double-acting single-rod pneumatic cylinder with a 50 mm bore and 270 mm stroke, pre-fitted with a built-in magnet for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors. At the standard operating pressure of 0.5 MPa, it generates a push force of 982 N and a pull force of 825 N, rising to 1767 N push at 0.9 MPa.
This model features a 20 mm diameter piston rod with M16x1.5 male threads and PT1/4 port connections. The adjustable air cushion at each end (21 mm cushion length) decelerates the piston smoothly, reducing end-of-stroke impact. With a body length of 150 mm, the total extended length is approximately 420 mm, making it a compact choice for medium-stroke positioning tasks.
Airtac SC50 Standard Cylinder SC50X270S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X270S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 270 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X270S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×270 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC50 Standard Cylinder SC50X270S Is Used
Material Stops & Gates
The 982 N push force at 0.5 MPa is well-suited for actuating medium-duty material stops or diverting gates on packaging and assembly conveyors, with sensors confirming gate position.
Clamping & Press-Fixture Actuation
Provides consistent clamping force for CNC fixtures and welding jigs. The built-in magnet enables sensor feedback to interlock the clamp position with the machine control system.
Pusher & Sorting Systems
Ideal for 270 mm stroke pusher arms in sorting or palletizing cells. The adjustable cushion protects the mechanism from shock at the end of the extend stroke when moving moderate masses.
Is the Airtac SC50 Standard Cylinder SC50X270S the Right Cylinder?
For applications requiring slightly less force, the 40 mm bore SC series delivers 628 N push at 0.5 MPa, while stepping up to the 63 mm bore provides 1559 N. The SC50X270S is a standard-stroke model (max standard for bore 50 is 1200 mm). The built-in magnet (suffix -S) allows tool-free mounting of magnetic sensors directly onto the tie-rod barrel for electrical end-of-stroke confirmation.
When replacing an existing cylinder, match five key points: 50 mm bore, 270 mm stroke, PT1/4 port thread, the built-in magnet feature, and the basic (no bracket) mounting style. For strokes over 300 mm, consider an external guide rail to protect the 20 mm rod from bending under side loads.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC50 Standard Cylinder SC50X270S FAQ
At 0.7 MPa supply pressure, this 50 mm bore cylinder delivers a theoretical push force of 1374 N and a pull force of approximately 1155 N (calculated from the 825 N pull at 0.5 MPa). The maximum operating push force at 0.9 MPa is 1767 N.
Yes. The -S suffix in SC50X270S indicates a built-in magnet is installed in the piston. This allows AirTAC CMSG, DMSG, or EMSG series sensors to be clamped directly onto the cylinder's tie-rod barrel to detect piston position without additional brackets.
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