Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X125
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X125 is a genuine double-acting standard air cylinder with a Ø200mm bore and 125mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ200 mm
- Stroke125 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 33 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X125
The SC200X125 is a heavy-duty double-acting tie-rod cylinder built for applications demanding substantial force from a compact stroke. With a 200 mm bore operating at 0.5 MPa, it generates 15708 N of push force, making it suitable for pressing, clamping, and lifting large assemblies.
This model features a 40 mm diameter piston rod with an M36x2 thread and a 33 mm adjustable air cushion at each end to decelerate high-inertia loads smoothly. The body length A is 244 mm, giving a total extended length of approximately 369 mm. Standard PT3/8 ports supply the filtered air, and the TPU seals provide reliable operation from -20 to +70 °C.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X125 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X125 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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, 33 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (approx.) | 3204 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 SC200X125
| SC | Standard tie-rod cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×125 | 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 SC200X125 Is Used
Heavy-Duty Pressing
The 200 mm bore delivers up to 28274 N at 0.9 MPa, ideal for hydraulic-replacement press tools, lamination, and forming operations requiring a short, powerful stroke.
Pallet & Container Handling
Applies the high force needed to stop, lift, or rotate heavy pallets and bulk containers on conveyor lines, with the 125 mm stroke providing a decisive push.
Large Valve Actuation
Provides the linear thrust to open and close large-diameter process valves or dampers against high differential pressure, using the adjustable cushion to soften end-of-travel impact.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X125 the Right Cylinder?
Select the SC200 bore when your application requires between roughly 15700 N and 28300 N of push force at standard plant pressures. If your load is closer to 11000 N, stepping down to an SC125 bore (6136 N push at 0.5 MPa) may reduce air consumption and physical size. For strokes of 300 mm or more, evaluate side loads carefully—the 40 mm rod is robust, but an external guide or guided cylinder is recommended to prevent rod bearing wear and bending under offset loads.
To ensure a direct replacement, match five key points: 200 mm bore, 125 mm stroke, PT port thread, the specific mounting accessory (this basic model has none), and the magnet option (this model has no built-in magnet). This cylinder is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC200X125 FAQ
The theoretical push force at 0.5 MPa is 15708 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 28274 N. The pull force on the retract stroke is 15080 N at 0.5 MPa due to the rod area.
No. The AirTAC SC series is a tie-rod cylinder and is physically shorter than an ISO 15552 profile cylinder. It is not dimensionally interchangeable. It is a direct replacement only for another AirTAC SC200 tie-rod cylinder with matching stroke, port thread (PT), and mounting.
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