Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30 is a genuine double-acting standard air cylinder with a Ø250mm bore and 30mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke30 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30
The AirTAC SC250X30 is a double-acting tie-rod cylinder delivering 24544 N of push force at 0.5 MPa, rising to 44178 N at the 0.9 MPa maximum operating pressure. With a 250 mm bore and a short 30 mm stroke, this model provides immense clamping or pressing power in a compact axial envelope, driven by a 50 mm diameter piston rod.
This cylinder uses a PT1" port and an M42x2 rod thread for robust mechanical connection. The total extended body length is approximately 324 mm (294 mm body length A plus 30 mm stroke), and the adjustable air cushion (40 mm length) decelerates the piston smoothly at each end of travel, protecting the end caps during high-force cycles.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 30 mm |
| Acting type | Double acting |
| Port size | PT1" |
| Rod thread | M42×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 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 (Ø250mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 24544 N | 23562 N |
| 0.7 MPa | 34361 N | — |
| Max (approx.) | 5006 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×30 | 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 SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30 Is Used
Heavy-Duty Press Frames
Generates up to 44 kN of force at 0.9 MPa for short-stroke pressing, stamping, or forming operations in industrial manufacturing cells.
Die Cushion Actuation
Provides high initial clamping force with minimal travel, ideal for locking or cushioning large stamping dies in metal forming presses.
Bulk Material Gate Control
The 30 mm stroke and high force move heavy slide gates or diverter chutes in mining, aggregate, or agricultural bulk handling systems.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30 the Right Cylinder?
For applications needing even higher force, the SC250 is the largest bore in the SC series, with a theoretical maximum of 5006 kgf at 1.0 MPa. If a 200 mm bore is sufficient, the SC200 provides 15708 N at 0.5 MPa in a lighter package. For this 30 mm stroke, side loading is minimal, but always ensure the rod is aligned axially with the load. To replace an existing SC250X30, match the 250 mm bore, 30 mm stroke, PT1" port thread, basic mounting, and confirm whether a magnet (-S) is required for sensor mounting.
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 SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X30 FAQ
At 0.7 MPa operating pressure, the SC250X30 produces 34361 N of push force on extension and 23562 N of pull force on retraction. The maximum push force at 0.9 MPa is 44178 N.
No. The SC250X30 is a double-acting cylinder and does not hold position when air pressure is exhausted or the directional valve is centered. The piston will drift or drop under load. For load holding without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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