Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850 is a genuine double-acting standard air cylinder with a Ø200mm bore and 850mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ200 mm
- Stroke850 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 33 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850
The AirTAC SC200X850 is a double-acting tie-rod cylinder delivering a substantial 15708 N of push force at 0.5 MPa (28274 N at 0.9 MPa). With an 850 mm stroke and a 40 mm diameter piston rod, this actuator is built for heavy linear tasks where high force and moderate travel are required.
This model features a body length A of 244 mm and an adjustable air cushion of 33 mm to decelerate the piston smoothly at end-of-stroke. The standard PT3/4 port and M36x2 rod thread ensure robust pneumatic connections, while the TPU seals provide reliable operation from -20 to +70 °C.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Stroke | 850 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 SC200X850
| SC | Standard tie-rod cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×850 | 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 SC200X850 Is Used
Sawmill & Timber Processing
Provides the high push force needed for log positioning, clamping, and cut-off saw actuation in demanding sawmill environments.
Heavy Gauge Pressing
Delivers up to 28274 N at 0.9 MPa for forming, stamping, or punch-press operations on thick metal or composite sheets.
Palletizer & Conveyor Stops
Handles heavy pallet or crate stopping and lifting on large-scale material handling lines with a controlled 850 mm stroke.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850 the Right Cylinder?
Select the SC200 when your application demands forces in the 15-28 kN range at typical shop air pressures. If your load is lighter, consider stepping down to the SC160 bore (10053 N push at 0.5 MPa) to reduce air consumption and physical size. For a stroke of 850 mm, the 40 mm rod is robust, but any significant side loading still requires an external guide or a guided cylinder to prevent rod bending and premature bearing wear.
To replace an existing cylinder, match five key points: 200 mm bore, 850 mm stroke, PT3/4 port thread, the specific mounting accessory (this basic model uses no bracket), and the magnet option (this model has no built-in magnet). The SC 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 SC200X850 FAQ
At the standard operating pressure of 0.5 MPa, the push force is 15708 N and the pull force is 15080 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 28274 N. The theoretical maximum force at 1.0 MPa is 3204 kgf.
No. As a standard double-acting cylinder, the SC200X850 will drift or drop its load if air pressure is exhausted or lost. The adjustable air cushion only decelerates the piston at stroke end to reduce impact; it is not a locking or holding brake. For load holding without live pressure, you must add an external rod lock or a pilot-operated check valve.
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