Airtac SC100 Standard Cylinder SC100X390
The AirTAC Airtac SC100 Standard Cylinder SC100X390 is a genuine double-acting standard air cylinder with a Ø100mm bore and 390mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ100 mm
- Stroke390 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SC100 Standard Cylinder SC100X390
The AirTAC SC100X390 is a robust double-acting tie-rod cylinder delivering a substantial 3927 N push force at 0.5 MPa (7068 N at the 0.9 MPa maximum operating pressure). With a 100 mm bore and a 390 mm stroke, this model uses a 25 mm diameter piston rod and PT1/2 ports, making it a powerful actuator for medium-to-heavy industrial linear motion tasks.
This cylinder features an adjustable pneumatic cushion (29 mm length) at both ends to decelerate the piston smoothly, reducing end-of-stroke impact. The body length A is 188 mm, giving a total extended length of approximately 578 mm. As a genuine AirTAC SC series unit, it is built for reliable filtered-air operation from 0.15 to 1.0 MPa.
Airtac SC100 Standard Cylinder SC100X390 Technical Specifications
| Model | Airtac SC100 Standard Cylinder SC100X390 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 390 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 SC100X390
| SC | Standard tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×390 | 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 SC100X390 Is Used
Material Handling & Sorting
Provides the high push force needed to divert heavy packages or pallets on conveyor lines, with the 390 mm stroke offering ample reach for wide transfer zones.
Heavy-Duty Clamping & Pressing
Ideal for industrial presses and clamping fixtures where nearly 4000 N of force at standard shop air pressure securely holds large workpieces during machining or assembly.
Agricultural Machinery Actuation
Operates chutes, gates, and levers on farming equipment, providing consistent pneumatic force in dusty environments when used with proper air filtration.
Is the Airtac SC100 Standard Cylinder SC100X390 the Right Cylinder?
For applications needing slightly less force, the 80 mm bore SC80 series provides 2513 N push at 0.5 MPa in a more compact body. If your load requires more thrust, step up to the SC125 bore for 6136 N at the same pressure. This 390 mm stroke is within the standard 1500 mm maximum for the 100 mm bore.
When replacing an existing cylinder, match these five points exactly: 100 mm bore, 390 mm stroke, PT1/2 port thread, basic (no bracket) mounting, and the absence of a magnet. For strokes over 300 mm, be mindful of side loads on the 25 mm rod—consider an external guide or a guided cylinder if the load is not purely axial to prevent rod bending and premature bearing 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 SC100 Standard Cylinder SC100X390 FAQ
At 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 increases to 7068 N. The theoretical maximum force at 1.0 MPa is 801 kgf.
No. The SC100X390 is a double-acting cylinder that requires continuous air pressure to maintain its position. If pressure is lost or the directional valve is centered, the piston can drift. For load holding, you must add a pilot-operated check valve or an external mechanical rod lock.
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