Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X160STC
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X160STC is a genuine double-acting standard air cylinder with a Ø250mm bore and 160mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke160 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X160STC
The SC250X160STC is a heavy-duty double-acting tie-rod cylinder delivering 24544 N of push force at 0.5 MPa, rising to 44178 N at the maximum operating pressure of 0.9 MPa. With a 250 mm bore and a 160 mm stroke, this model features a robust 50 mm diameter piston rod and a 40 mm adjustable air cushion to decelerate high-inertia loads smoothly.
This configuration includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and the centre trunnion mount (TC suffix) with the TCM1 bracket, allowing the cylinder to pivot for swinging load applications. The standard PT ports and TPU seals provide reliable operation from -20 to +70 °C.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X160STC Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X160STC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 160 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 SC250X160STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×160 | 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 SC250X160STC Is Used
Heavy-Duty Clamping & Pressing
Generates up to 44178 N of force at 0.9 MPa for secure workpiece clamping in large CNC machining centres, welding fixtures, and hydraulic-press alternatives.
Pivoting Material Handling
The centre trunnion mount allows the cylinder to swing, making it ideal for actuating large transfer arms, bin tippers, and chute gates on heavy material lines.
Large-Scale Forming & Bending
Provides the consistent, controlled thrust needed for metal bending brakes, composite mould presses, and heavy-duty assembly stations, with sensor feedback for position confirmation.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X160STC the Right Cylinder?
For applications requiring slightly less force, the 200 mm bore SC200 series provides 15708 N of push force at 0.5 MPa. This SC250X160STC model, with its ISO 6430 class dimensions, is ideal for heavy pressing, clamping, and material handling. The centre trunnion mount (F-SC250TC) allows the cylinder body to pivot, which is essential for following an arc path without inducing severe side loads on the rod bearing.
When replacing an existing cylinder, ensure a precise 5-point match: 250 mm bore, 160 mm stroke, PT port thread, centre trunnion (TC) mounting, and the built-in magnet for sensor compatibility. For strokes over 300 mm on a tie-rod cylinder, always assess side-load conditions; a 50 mm rod is substantial, but an external guide system is recommended if the load is not purely axial.
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 SC250X160STC 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.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than an ISO 15552 profile cylinder, so it is not dimensionally interchangeable. It is a direct replacement only for another AirTAC SC250 tie-rod cylinder with matching stroke, port thread, and mounting type. The 250 mm bore is classified as ISO 6430 class.
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