Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X25
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X25 is a genuine double-acting standard air cylinder with a Ø250mm bore and 25mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke25 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X25
The SC250X25 is a large-bore double-acting cylinder engineered for high-force, short-stroke clamping and pressing tasks. With a 250 mm piston, it generates 24544 N of push force at just 0.5 MPa, rising to 44178 N at the maximum operating pressure of 0.9 MPa.
This model features a 50 mm diameter piston rod, a 40 mm adjustable air cushion for smooth end-of-stroke deceleration, and a compact body length A of 294 mm. As an ISO 6430 class tie-rod cylinder, it is built for industrial durability with a PT1" port and an operating temperature range of -20 to +70 °C using standard TPU seals.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X25 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X25 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 25 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 SC250X25
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×25 | 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 SC250X25 Is Used
Heavy-Duty Clamping
Delivers up to 44178 N of force at 0.9 MPa to securely hold large weldments, castings, or structural assemblies during machining or fabrication.
Short-Stroke Press Tool
Ideal for a 25 mm pressing, staking, or punching operation where high force is needed in a compact, repetitive linear motion.
Material Handling Gate
Acts as a powerful, fast-acting stop or diverter gate on heavy-duty conveyor lines for pallets or large packages.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X25 the Right Cylinder?
Select the SC250X25 for applications requiring maximum force in a minimal linear envelope. If your force requirement is lower, stepping down to the 200 mm bore reduces push force to 15708 N at 0.5 MPa, potentially saving space and air consumption. For strokes longer than this model's 25 mm, verify that the rod bearing can support any side loads; an external guide system is recommended if the load is not purely axial.
When replacing an existing cylinder, ensure a 5-point match: 250 mm bore, 25 mm stroke, PT1" port thread, basic mounting (no included brackets), and the absence of a magnetic piston. This guarantees a direct dimensional and performance swap with another AirTAC SC250X25 tie-rod unit.
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 SC250X25 FAQ
At 0.5 MPa, the pushing force is 24544 N and the pulling force is 23562 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 44178 N. The theoretical maximum force at 1.0 MPa is 5006 kgf.
No. The SC250X25 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 without pressure, you must add an external rod lock or a pilot-operated check valve.
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