Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X800
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X800 is a genuine double-acting standard air cylinder with a Ø250mm bore and 800mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke800 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X800
The AirTAC SC250X800 is a large-bore double-acting pneumatic cylinder delivering a push force of 24544 N at 0.5 MPa and up to 44178 N at the maximum operating pressure of 0.9 MPa. With an 800 mm stroke and a 50 mm diameter piston rod, this model is built for heavy industrial linear motion tasks where substantial force and a long working reach are required.
This tie-rod cylinder features a 294 mm body length (A dimension) and a generous 40 mm adjustable air cushion at each end, effectively decelerating high-inertia loads. The PT1 inch port threads and M42x2 rod knuckle thread ensure robust pneumatic connections, while the standard TPU seals provide reliable operation from -20 to +70 °C.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X800 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X800 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 800 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 SC250X800
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×800 | 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 SC250X800 Is Used
Heavy Timber Processing
Powers log splitters, sawmill carriage drives, and veneer press clamps, providing the immense force needed to split, cut, or compress large timber sections efficiently.
Large Agricultural Equipment
Actuates heavy-duty functions on harvesters, balers, and tillage tools, such as raising and lowering massive header units or controlling discharge chutes with high reliability.
Marine and Offshore Deck Machinery
Operates hatch covers, winch tensioners, and steering gear on vessels. The high force output and robust tie-rod construction withstand demanding maritime environments.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X800 the Right Cylinder?
Select the SC250X800 for applications demanding forces in the 24-44 kN range. If your load requires less force, consider stepping down to the SC200 bore, which provides 15708 N of push force at 0.5 MPa. For strokes of this length, always evaluate side-loading conditions; an unsupported 50 mm rod extending 800 mm is susceptible to bending under radial forces, and an external linear guide or a guided cylinder should be used to protect the rod bearings and seals.
To ensure a correct replacement, match these five key specifications: a 250 mm bore, an 800 mm stroke, PT1 inch (PT) port threads, the specific mounting accessory (this is a basic model without a bracket), and the absence of a built-in magnet. This cylinder is part of the ISO 6430 class for large bores.
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 SC250X800 FAQ
At the standard 0.5 MPa operating pressure, the push force is 24544 N and the pull 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 AirTAC SC series is a tie-rod cylinder and is shorter in overall length than a comparable ISO 15552 profile cylinder. It is not dimensionally interchangeable with ISO 15552 standards. For large bores (125-250), it is classified as an ISO 6430 class cylinder. You must match it to another AirTAC SC tie-rod cylinder with the same bore, stroke, and port configuration.
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