Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X210SH
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X210SH is a genuine double-acting standard air cylinder with a Ø250mm bore and 210mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke210 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X210SH
The SC250X210SH is a large-bore double-acting pneumatic cylinder delivering 24544 N of push force at just 0.5 MPa, rising to 44178 N at the 0.9 MPa maximum operating pressure. With a 210 mm stroke and a 50 mm diameter piston rod, it is built for heavy industrial actuation where high force and heat resistance are both required.
This model features a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and Viton (FKM) seals (-H suffix) that shift the operating temperature range to 0–150°C. The adjustable air cushion (40 mm length) decelerates the massive piston smoothly at end-of-stroke, protecting the end caps during high-cycle, high-load operation.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X210SH Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X210SH |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 210 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 SC250X210SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×210 | 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 SC250X210SH Is Used
Heavy Press & Forming
The 44178 N push force at 0.9 MPa drives large forming dies, stamping heads, and heavy-duty clamping fixtures in metal fabrication lines.
High-Temperature Automation
With Viton seals rated to 150°C, this cylinder operates reliably in foundries, autoclaves, and drying ovens where standard seals would fail.
Bulk Material Handling
Actuates large gates, diverters, and tipper mechanisms in mining, aggregate, and grain handling systems, with sensor confirmation via the built-in magnet.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X210SH the Right Cylinder?
Choose the SC250 bore when your application needs over 23500 N of pull force at 0.5 MPa—if your load is lighter, stepping down to the SC200 bore (15080 N pull at 0.5 MPa) can reduce air consumption and physical size. For any stroke over 300 mm, evaluate side-loading carefully; a 50 mm rod is robust, but an external guide or guided cylinder is recommended to protect the rod bearing from bending moments.
To replace an existing SC250X210SH, match all five points: 250 mm bore, 210 mm stroke, PT port thread, the built-in magnet (-S), and the Viton seal material (-H). The SC is a tie-rod cylinder with a shorter body length (A=294 mm) than an ISO 15552 profile, so it is not dimensionally interchangeable with ISO 15552 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 SC250X210SH FAQ
At 0.5 MPa, it produces 24544 N pushing and 23562 N pulling. At the maximum operating pressure of 0.9 MPa, push force reaches 44178 N. The theoretical maximum at 1.0 MPa is 5006 kgf.
No. The SC250 is a double-acting cylinder and will drift or drop if pressure is lost or the directional valve is centered. For load holding without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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