Airtac SC100 Standard Cylinder SC100X312S
The AirTAC Airtac SC100 Standard Cylinder SC100X312S is a genuine double-acting standard air cylinder with a Ø100mm bore and 312mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ100 mm
- Stroke312 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SC100 Standard Cylinder SC100X312S
The AirTAC SC100X312S is a double-acting single-rod pneumatic cylinder delivering 3927 N of push force at 0.5 MPa (7068 N at the maximum operating pressure of 0.9 MPa). Its 100 mm bore and 312 mm stroke suit medium-to-heavy linear actuation tasks where consistent, filtered-air-powered motion is required.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to clamp directly onto the tie-rod barrel for non-contact position sensing. The rod diameter is 25 mm with an M20x1.5 thread, and the adjustable air cushion (29 mm length) decelerates the piston smoothly at end-of-travel. Ports are PT1/2, and the body length A is 188 mm.
Airtac SC100 Standard Cylinder SC100X312S Technical Specifications
| Model | Airtac SC100 Standard Cylinder SC100X312S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 312 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (approx.) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC100 Standard Cylinder SC100X312S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×312 | 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 SC100 Standard Cylinder SC100X312S Is Used
Material Handling & Sorting
Pushes or diverts boxes and totes on a conveyor line. The 312 mm stroke provides enough reach for lane diversion, and the built-in magnet enables end-of-stroke confirmation via barrel-mounted sensors.
Clamping & Pressing Fixtures
Delivers up to 7068 N of clamping force at 0.9 MPa for holding parts during welding, assembly, or machining. The adjustable cushion prevents jarring impact at the end of the clamp stroke.
Palletizer & Lift-Assist Mechanisms
Actuates a lift table or pallet stop with a 3927 N push at standard shop air. The magnetic piston lets operators add sensors to verify the raised or lowered position in automated logistics cells.
Is the Airtac SC100 Standard Cylinder SC100X312S the Right Cylinder?
For applications needing more force, stepping up to the SC125 bore provides 6136 N at 0.5 MPa. If a shorter, more compact cylinder is acceptable, the SC80 bore delivers 2513 N at the same pressure. The 312 mm stroke is within the 1500 mm maximum standard stroke for bore 100, so this is a standard-length configuration.
To ensure a correct replacement, match five key points: 100 mm bore, 312 mm stroke, PT1/2 ports, the built-in magnet for sensor mounting, and the basic (no bracket) mounting style. For strokes over 300 mm, be mindful of side loads—an unsupported 25 mm rod can bend under lateral force; consider an external guide rail or a guided cylinder if the load is not perfectly axial.
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 SC100 Standard Cylinder SC100X312S FAQ
At the standard operating pressure of 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 7068 N. The theoretical maximum at 1.0 MPa is 801 kgf.
Yes. The -S suffix in the model code SC100X312S indicates a built-in magnet on the piston. This allows you to clamp AirTAC CMSG, DMSG, or EMSG sensors directly onto the cylinder's tie-rod barrel to detect piston position without additional brackets.
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