Airtac SC40 Standard Cylinder SC40X115
The AirTAC Airtac SC40 Standard Cylinder SC40X115 is a genuine double-acting standard air cylinder with a Ø40mm bore and 115mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ40 mm
- Stroke115 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 21 mm
About the Airtac SC40 Standard Cylinder SC40X115
The AirTAC SC40X115 is a double-acting tie-rod cylinder delivering 628 N of push force at 0.5 MPa (879 N at 0.7 MPa). Its 115 mm stroke suits medium-reach clamping and positioning tasks where a compact body length is needed—the SC40 body is just 142 mm long.
This model uses a 16 mm diameter piston rod with an M12x1.25 male thread and PT1/4 ports. The adjustable air cushion (21 mm length) decelerates the piston smoothly at end-of-stroke, reducing impact noise and wear in continuous cycling applications.
Airtac SC40 Standard Cylinder SC40X115 Technical Specifications
| Model | Airtac SC40 Standard Cylinder SC40X115 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 115 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC40 Standard Cylinder SC40X115
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×115 | 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 SC40 Standard Cylinder SC40X115 Is Used
Part Stops & Gates
The 115 mm stroke and 628 N push force at 0.5 MPa reliably operate part stops and diverter gates on light-to-medium package conveyor lines.
Clamping Fixtures
Ideal for pneumatic clamping jigs in CNC machining or assembly, where the 16 mm rod and adjustable cushion provide stable holding without jarring impact.
Hopper Door Actuation
Controls sliding doors on small hoppers and chutes in agricultural processing, handling frequent cycles with the standard TPU seal's -20 to +70 °C range.
Is the Airtac SC40 Standard Cylinder SC40X115 the Right Cylinder?
Choose the SC40X115 when your load requires around 628 N of thrust at standard plant pressure. If you need more force, stepping up to the SC50 bore provides 982 N push at 0.5 MPa. For lighter, faster applications, the SC32 delivers 402 N.
When replacing an existing cylinder, match five points: 40 mm bore, 115 mm stroke, PT1/4 port thread, basic (no mounting accessory), and no magnet. The SC is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC40 Standard Cylinder SC40X115 FAQ
At 0.7 MPa (7 bar) supply pressure, the SC40X115 generates 879 Newtons of push force and 528 Newtons of pull force on the retract stroke. The maximum operating force at 0.9 MPa is 1130 N.
This specific model (SC40X115) does not include the -S magnet option, so the piston does not carry a magnetic ring. To use CMSG/DMSG sensors, order the SC40X115-S variant which has a built-in magnet.
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