Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X250TC
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X250TC is a genuine double-acting standard air cylinder with a Ø250mm bore and 250mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke250 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X250TC
The SC250X250TC is a large-bore double-acting tie-rod cylinder delivering a substantial push force of 24544 N at 0.5 MPa (44178 N at 0.9 MPa). Its 250 mm stroke suits heavy-duty clamping, pressing, or lifting applications where a compact extended length of approximately 544 mm (body length A 294 mm + stroke) is needed.
This model includes the TC centre trunnion mount, supplied with the TCM1 bracket (F-SC250TC), allowing the cylinder to pivot during operation for swinging or articulating loads. The 50 mm diameter piston rod and PT1" ports handle high flow rates, while the 40 mm adjustable air cushion decelerates the piston smoothly at end-of-stroke.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X250TC Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X250TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 250 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 SC250X250TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×250 | 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 SC250X250TC Is Used
Heavy-Duty Clamping
Generates up to 44178 N at 0.9 MPa for securely holding large weldments or castings during machining or assembly.
Material Handling Pivot
The TC trunnion mount allows the cylinder to swing, making it suitable for tilting heavy bins, chutes, or transfer tables.
Industrial Compaction
Ideal for waste compaction or baling presses where high force and a 250 mm stroke compact bulk materials into dense forms.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X250TC the Right Cylinder?
Select the SC250 when your application requires forces in the 24544 N (push @ 0.5 MPa) class. For a step down in force, the SC200 bore provides 15708 N push at the same pressure. The centre trunnion mount is ideal for pivoting applications; ensure the trunnion axis is aligned with the load's pivot plane to avoid binding.
For this 250 mm stroke, side loads must be managed carefully. The 50 mm rod is robust, but any radial force can cause rod bearing wear or bending. Use an external linear guide or rod-alignment coupler if side load is present. When replacing, match bore, stroke, PT1" port thread, TC trunnion mount, and the non-magnet configuration.
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 SC250X250TC FAQ
At 0.5 MPa, the push force is 24544 N and pull force is 23562 N. At the maximum operating pressure of 0.9 MPa, push force reaches 44178 N. The theoretical maximum at 1.0 MPa is 5006 kgf.
No, the SC250 is a double-acting cylinder and will drift or drop if air pressure is exhausted or the directional valve is centered. For load holding without live pressure, you must add a pilot-operated check valve or an external mechanical rod lock.
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