Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X900
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X900 is a genuine double-acting standard air cylinder with a Ø250mm bore and 900mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke900 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X900
The SC250X900 is a large-bore double-acting cylinder delivering substantial force for heavy industrial applications. At 0.5 MPa it provides 24544 N push and 23562 N pull, scaling up to 44178 N at the 0.9 MPa maximum operating pressure, driven by a 50 mm diameter piston rod.
This model features a 900 mm stroke within the standard 1500 mm maximum for 250 mm bore SC cylinders. The total extended body length is approximately 1194 mm, with a 40 mm adjustable air cushion at each end to decelerate high-inertia loads smoothly.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X900 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X900 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 900 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 SC250X900
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×900 | 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 SC250X900 Is Used
Heavy Machinery Actuation
Provides the high force needed to shift blades, buckets, or booms on agricultural and construction equipment, handling loads up to 44178 N at full pressure.
Balers and Compactors
Drives the main compression ram in recycling balers, delivering consistent 24544 N force at standard 0.5 MPa line pressure to densify materials.
Large Part Lift and Transfer
Powers lift stations for heavy pallets or large castings, using the 900 mm stroke for substantial vertical travel with a robust 50 mm rod.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X900 the Right Cylinder?
Select the SC250 when your application requires forces in the 24-44 kN range. If your load is lighter, stepping down to the SC200 bore provides 15708 N push at 0.5 MPa with the same 40 mm rod diameter, offering a more compact and economical package. For strokes of 900 mm with this 50 mm rod, ensure the load is guided and free of significant side forces; an external guide rail or a guided cylinder configuration is recommended to protect the rod bearing from bending moments. For replacement, match the 250 mm bore, 900 mm stroke, PT1" port thread, basic mounting (no accessories), and confirm the TPU seal material.
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 SC250X900 FAQ
At the standard 0.5 MPa operating pressure, the cylinder produces 24544 N extending and 23562 N retracting. At the maximum operating pressure of 0.9 MPa, the extending force reaches 44178 N. The theoretical maximum at 1.0 MPa is 5006 kgf.
No, the SC250X900 is a double-acting cylinder and will not hold position if air pressure is lost or the valve is centered. The piston can drift or drop under load. For load holding, you must add a pilot-operated check valve or an external mechanical rod lock.
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