Airtac SC50 Standard Cylinder SC50X235S
The AirTAC Airtac SC50 Standard Cylinder SC50X235S is a genuine double-acting standard air cylinder with a Ø50mm bore and 235mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke235 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X235S
The SC50X235S is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa, making it a capable mid-range actuator for pressing, clamping, and lifting tasks. With a 235 mm stroke and a 20 mm diameter piston rod, it provides a balanced combination of reach and column strength for general automation.
This model includes the -S suffix, indicating a built-in magnet embedded in the piston. This allows easy, tool-free mounting of AirTAC CMSG, DMSG, or EMSG reed and solid-state sensors directly onto the tie-rod barrel for precise end-of-stroke or mid-stroke position sensing without external brackets.
Airtac SC50 Standard Cylinder SC50X235S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X235S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 235 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 SC50X235S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×235 | 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 SC50X235S Is Used
Part Rejection & Sorting Gates
The 235 mm stroke and 982 N push force at 0.5 MPa are ideal for actuating diverter gates on conveyor lines, reliably pushing non-conforming products into reject bins at high cycle rates.
Automated Clamping Fixtures
With a built-in magnet for sensor confirmation, the SC50X235S ensures a part is securely clamped before machining begins. The 825 N pull force provides a firm, controlled grip on workpieces in CNC and welding fixtures.
Palletising & Layer Forming
Used in end-of-arm tooling or layer-forming stations, this cylinder's 235 mm stroke provides the necessary reach to push cartons or trays into position, with sensor feedback confirming each cycle.
Is the Airtac SC50 Standard Cylinder SC50X235S the Right Cylinder?
For applications requiring more force, stepping up to the 63 mm bore provides 1559 N of push force at the same 0.5 MPa pressure, while the 40 mm bore offers a more compact option at 628 N. The SC50X235S is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders; it is a direct replacement only for another AirTAC SC50 cylinder matching the 235 mm stroke, PT1/4 port, and -S magnet option.
At a 235 mm stroke, the 20 mm rod is well-supported within the standard stroke range, but any significant side loading should be managed with an external linear guide to prevent premature rod bearing and seal wear.
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 SC50X235S FAQ
At 0.7 MPa operating pressure, the SC50 bore produces a theoretical push force of 1374 N and a pull force of 1155 N on the retract stroke, calculated from the 20 mm rod diameter.
Yes. The -S suffix in SC50X235S means a magnet is built into the piston. You can clamp compatible AirTAC CMSG, DMSG, or EMSG sensors directly onto the cylinder's tie-rod barrel to detect piston position.
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