Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X175
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X175 is a genuine double-acting standard air cylinder with a Ø250mm bore and 175mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke175 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X175
The AirTAC SC250X175 is a large-bore double-acting pneumatic cylinder delivering 24,544 N of push force at 0.5 MPa and up to 44,178 N at the maximum operating pressure of 0.9 MPa. With a 175 mm stroke and a 50 mm diameter piston rod, this model is built for heavy industrial linear actuation where substantial force is required in a compact cycle length.
This ISO 6430 class cylinder features a 294 mm body length (dimension A) and a 40 mm adjustable air cushion at each end to decelerate high-inertia loads smoothly. The standard PT1 inch port and M42x2 rod thread ensure robust pneumatic connections, while the TPU seals provide reliable operation in standard temperatures from -20 to +70 °C.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X175 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X175 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 175 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 SC250X175
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×175 | 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 SC250X175 Is Used
Heavy Press Tool Actuation
Provides the 24.5 kN force class needed to operate large forming, stamping, or clamping tools in metal fabrication and composite molding presses.
Bulk Material Gate Control
Powers heavy slide gates or diverter chutes in mining, aggregate, and agricultural bulk handling systems, where reliable high-force linear motion is essential.
Industrial Lift and Tilt Tables
Drives the lifting or tilting mechanism on heavy-duty scissor lifts and tilt tables, offering controlled movement for large assemblies or palletized loads.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X175 the Right Cylinder?
For applications needing less force, stepping down to a 200 mm bore reduces push force to 15,708 N at 0.5 MPa, while a 250 mm bore remains the top choice when maximum thrust is non-negotiable. Always verify that the 175 mm stroke stays within the 1,500 mm maximum standard stroke for this bore.
At this stroke length, the 50 mm rod is highly resistant to bending, but any significant side loading still demands an external guide or a guided cylinder to protect the rod bearing and piston seals. When replacing an existing unit, match five points exactly: 250 mm bore, 175 mm stroke, PT1 inch port thread, basic mounting (no brackets), and no magnet.
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 SC250X175 FAQ
At 0.5 MPa, the push force is 24,544 N and the pull force is 23,562 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 44,178 N. The theoretical maximum force at 1.0 MPa is 5,006 kgf.
No. The SC250X175 is a double-acting cylinder that requires continuous air pressure to maintain position. If pressure is lost or the directional valve is centered, the piston will drift or drop under load. For static load holding, you must add a pilot-operated check valve or an external mechanical rod lock.
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