Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X50TC
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X50TC is a genuine double-acting standard air cylinder with a Ø250mm bore and 50mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke50 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X50TC
The SC250X50TC is a heavy-duty double-acting tie-rod cylinder delivering 24544 N of push force at 0.5 MPa (44178 N at the 0.9 MPa maximum operating pressure). With a 250 mm bore and a short 50 mm stroke, this actuator is built for high-force clamping, pressing, and short-throw lifting where space is constrained but tonnage is critical.
This model features a centre trunnion (TC) mount, supplied with the TCM1 bracket (F-SC250TC), allowing the cylinder to pivot during operation—ideal for swinging or articulating loads. The 50 mm diameter piston rod and 40 mm adjustable air cushion at each end provide robust deceleration, while the PT1 inch ports ensure high flow for rapid cycling.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X50TC Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X50TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 50 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 SC250X50TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×50 | 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 SC250X50TC Is Used
Heavy-Duty Clamping
The 24544 N force at 0.5 MPa makes this cylinder ideal for welding jigs, assembly fixtures, and press-fit operations requiring short, powerful clamping strokes.
Short-Throw Pressing
Delivers up to 44178 N at 0.9 MPa for punching, riveting, or forming tasks. The 50 mm stroke is perfectly matched to high-cycle, low-displacement press tooling.
Pivoting Lift Mechanisms
The centre trunnion mount allows the cylinder to swing through an arc, making it suitable for dump hoppers, tilting tables, and material handling arms that require a compact, high-force actuator.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X50TC the Right Cylinder?
Choose the SC250 when your application requires forces in the 24.5 kN range at standard plant air. If you need a longer stroke with slightly lower force, the SC200 bore delivers 15708 N push at 0.5 MPa. For this short 50 mm stroke, side loading is rarely the primary concern, but the massive 50 mm rod still offers excellent rigidity. For replacement, match five points: 250 mm bore, 50 mm stroke, PT1 inch ports, centre trunnion mounting (TC with TCM1 bracket), and confirm the magnet option (this model has no built-in 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 SC250X50TC FAQ
At 0.7 MPa (7 bar), the theoretical push force is 34361 N. The pull force on the retract stroke is 23562 N at 0.5 MPa due to the area reduction from the 50 mm piston rod.
No. The SC250 is a double-acting cylinder and does not lock or hold position when pressure is exhausted. If your application requires load holding in a power-off state, you must add a pilot-operated check valve or an external mechanical rod brake.
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