Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X260S
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X260S is a genuine double-acting standard air cylinder with a Ø250mm bore and 260mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke260 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X260S
The SC250X260S is a large-bore double-acting tie-rod cylinder delivering 24544 N of push force at 0.5 MPa and up to 44178 N at the maximum operating pressure of 0.9 MPa. With a 50 mm diameter piston rod and a 260 mm stroke, this model is built for heavy industrial applications where high force and moderate travel are required.
This unit features a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to be mounted directly onto the barrel for reliable end-of-stroke or mid-stroke position sensing. The standard PT1 inch port and TPU seals provide a wide operating temperature range of -20 to +70 °C, while the adjustable pneumatic cushion decelerates the piston smoothly at each end of the stroke.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X260S Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X260S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 260 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 SC250X260S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×260 | 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 SC250X260S Is Used
Heavy Press & Forming
Generates up to 44178 N of force at 0.9 MPa for stamping, pressing, and metal forming operations where consistent, high-force linear motion is critical.
Large-Scale Material Handling
Provides the push and pull strength needed for lifting, tilting, and transferring heavy pallets or bulk materials in automated warehouse systems.
Industrial Automation & Clamping
Ideal for heavy-duty clamping and fixturing in automated production lines, with a built-in magnet for precise position feedback via CMSG/DMSG sensors.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X260S the Right Cylinder?
For applications requiring slightly less force, stepping down to a 200 mm bore reduces the push force to 15708 N at 0.5 MPa, while a step up in bore is not available in the standard SC line. The 260 mm stroke is within the standard maximum of 1500 mm for this bore. When replacing an existing cylinder, ensure a 5-point match: 250 mm bore, 260 mm stroke, PT1 inch port thread, the built-in magnet for sensor compatibility, and the basic (no bracket) mounting configuration. For strokes of 300 mm or more, consider an external guide to protect the 50 mm rod from bending under side loads.
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 SC250X260S FAQ
At 0.5 MPa, 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 reaches 44178 N. The theoretical maximum force at 1.0 MPa is 5006 kgf.
No. The SC250X260S is a double-acting cylinder and will not hold its position or a suspended load if air pressure is lost or the valve is centered. The adjustable air cushion only decelerates the piston at the end of stroke to reduce impact. For load holding, you must add an external rod lock or a pilot-operated check valve.
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