Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X200
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X200 is a genuine double-acting standard air cylinder with a Ø250mm bore and 200mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke200 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X200
The SC250X200 is a large-bore double-acting pneumatic cylinder delivering 24544 N of push force at 0.5 MPa, rising to 44178 N at the maximum operating pressure of 0.9 MPa. With a 200 mm stroke and a 50 mm diameter piston rod, this ISO 6430 class cylinder is built for heavy industrial tasks where substantial linear force is required in a compact tie-rod package.
This model features a 40 mm adjustable air cushion at each end to decelerate high-inertia loads smoothly, protecting the end caps. The body length A is 294 mm, giving a total extended length of approximately 494 mm. It uses a PT1 inch port and an M42x2 rod thread, with a speed range of 30-500 mm/s suitable for controlled, powerful actuation.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X200 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X200 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 200 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 SC250X200
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×200 | 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 SC250X200 Is Used
Heavy Press Tool Actuation
Provides the high clamping and pressing forces needed in hydraulic-free assembly presses, riveting stations, and heavy stamping fixtures, using filtered shop air.
Pallet Lifting & Transfer
Powers lift-and-transfer mechanisms in palletizing systems, raising heavy loads with 24544 N of force at 0.5 MPa, paired with a trunnion mount for pivoting action.
Damper & Gate Actuation
Operates large material-handling gates or diverter dampers in mining and aggregate processing, where the 50 mm rod withstands impact and the 40 mm cushion absorbs end-of-stroke shock.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X200 the Right Cylinder?
Select the SC250 bore when your application requires push forces in the 24544 N class at standard plant air pressure. If your load calculation falls closer to 15708 N, stepping down to the SC200 bore (40 mm rod, PT3/4 port) can reduce air consumption and physical footprint. For strokes over 300 mm on this bore, always evaluate side-load conditions; the 50 mm rod provides good rigidity, but an external guide rail or guided cylinder configuration is recommended to protect the rod bearing from bending moments.
When replacing an existing cylinder, match five key points: the 250 mm bore, 200 mm stroke, PT1 inch port thread, the specific mounting accessory (this is a basic body without brackets), and the presence or absence of a magnet. This unit has no built-in magnet, so external sensors require a mechanical mounting solution.
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 SC250X200 FAQ
At the standard 0.5 MPa operating pressure, the push force is 24544 N and the pull force on the retract stroke 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 SC250X200 is a standard double-acting cylinder and will not hold its position if air pressure is exhausted or the directional valve is centered. The piston can drift or the load may drop. For load-holding safety, you must add an external rod lock, a pilot-operated check valve, or a mechanical brake.
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