Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X225S
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X225S is a genuine double-acting standard air cylinder with a Ø250mm bore and 225mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke225 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X225S
The SC250X225S is a large-bore, double-acting AirTAC tie-rod cylinder delivering substantial push force of 24544 N at 0.5 MPa and up to 44178 N at the maximum 0.9 MPa operating pressure. With a 225 mm stroke, this ISO 6430 class actuator uses a robust 50 mm diameter piston rod with an M42x2 knuckle thread, providing the rigidity needed for heavy linear pushing and pulling tasks.
The built-in magnet (denoted by the -S suffix) allows CMSG, DMSG, or EMSG reed and solid-state sensors to be directly mounted on the barrel for reliable, non-contact end-of-stroke or mid-stroke position sensing. Its adjustable pneumatic cushion, with a 40 mm cushion length, effectively decelerates high-inertia loads at the end of the stroke, protecting the cylinder and the machine structure.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X225S Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X225S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 225 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 SC250X225S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×225 | 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 SC250X225S Is Used
Heavy Timber Processing
Provides the high force needed for log splitting, veneer pressing, and sawmill carriage drives, with sensor feedback for precise positioning.
Large-Scale Material Forming
Ideal for actuating platens in large hydraulic-style pneumatic press replacements, compacting bulk materials, or bending thick metal plates with 24.5 kN of force.
Marine & Offshore Tensioning
Used in heavy-duty winch tensioners, mooring system actuators, and offshore equipment where robust, high-force linear motion and corrosion-resistant options are required.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X225S the Right Cylinder?
For applications requiring slightly less force, stepping down to a 200 mm bore reduces push force to 15708 N at 0.5 MPa. Conversely, this 250 mm bore model is the largest in the SC series, offering a maximum theoretical force of 5006 kgf at 1.0 MPa. When replacing an existing cylinder, ensure a 5-point match: 250 mm bore, 225 mm stroke, PT1 inch port thread, basic mounting configuration, and the presence of a built-in magnet (-S) for sensor compatibility.
With a 225 mm stroke, the 50 mm rod is well-supported within the 294 mm body, but any significant side loading in the application must be managed with an external guide or linear bearing system to prevent rod bending and premature seal wear. The standard speed range for this ISO 6430 class bore is 30-500 mm/s.
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 SC250X225S FAQ
At the standard 0.5 MPa operating pressure, 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 increases to 44178 N. The theoretical maximum force at 1.0 MPa is 5006 kgf.
Yes. The -S suffix in the model code indicates a built-in magnetic piston. This allows you to clamp compatible AirTAC CMSG, DMSG, or EMSG sensors directly onto the cylinder barrel's tie-rod slots to detect piston position without additional brackets.
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