Airtac SC100 Standard Cylinder SC100X425STC
The AirTAC Airtac SC100 Standard Cylinder SC100X425STC is a genuine double-acting standard air cylinder with a Ø100mm bore and 425mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ100 mm
- Stroke425 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SC100 Standard Cylinder SC100X425STC
The SC100X425STC is a double-acting pneumatic cylinder delivering a substantial 3927 N of push force at 0.5 MPa (7068 N at 0.9 MPa). Its 425 mm stroke is well within the 1500 mm maximum standard stroke for the 100 mm bore, making it a robust choice for medium-reach linear tasks.
This model features a 25 mm diameter piston rod and a body length A of 188 mm, with an adjustable air cushion of 29 mm to decelerate the piston smoothly. The built-in magnet (suffix -S) allows direct mounting of CMSG/DMSG/EMSG sensors on the barrel for reliable end-of-stroke detection, and the centre trunnion mount (TC) with its TCM1 bracket enables the cylinder to pivot during operation.
Airtac SC100 Standard Cylinder SC100X425STC Technical Specifications
| Model | Airtac SC100 Standard Cylinder SC100X425STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 425 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 SC100X425STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×425 | 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 SC100X425STC Is Used
Material Handling Gates
The 3927 N push force at 0.5 MPa and 425 mm stroke are ideal for diverting medium-weight packages on conveyor lines, with the trunnion mount allowing the cylinder to swing as it actuates.
Clamping & Fixturing
Applies powerful, controlled clamping pressure for woodworking or metal fabrication jigs. The built-in magnet provides positive clamp confirmation via barrel-mounted sensors.
Agricultural Equipment Actuation
Suited for remote actuation of chutes or gates on farming machinery, where the TPU seals handle standard temperatures and the pivoting TC mount accommodates linkage movement.
Is the Airtac SC100 Standard Cylinder SC100X425STC the Right Cylinder?
When sizing, the SC100X425STC sits between the SC80 (2513 N at 0.5 MPa) and the SC125 (6136 N at 0.5 MPa). If your load requires more force than this model provides, stepping up to the 125 mm bore is recommended; for lighter, faster-moving loads, the 80 mm bore may offer a more compact solution. For this 425 mm stroke, be mindful of side loads—long unsupported rods can bend. Consider an external guide or a guided cylinder if the load is not purely axial.
For a direct replacement, match these five points: 100 mm bore, 425 mm stroke, PT port thread, centre trunnion (TC) mounting with the F-SC100TC accessory, and the built-in magnet (-S) for sensor compatibility. This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC series unit with the same specifications.
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 SC100X425STC FAQ
At the standard operating pressure of 0.5 MPa, the cylinder provides 3927 N pushing force and 3681 N pulling force. At the maximum operating pressure of 0.9 MPa, the pushing force increases to 7068 N.
No. The SC100X425STC is a double-acting cylinder and will not hold its position when air pressure is exhausted or the directional valve is centered. The adjustable air cushion only decelerates the piston at the end of stroke; it is not a locking or holding brake. For load holding, an external rod lock or pilot-operated check valve is required.
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