Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X350STC
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X350STC is a genuine double-acting standard air cylinder with a Ø200mm bore and 350mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ200 mm
- Stroke350 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 33 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X350STC
The SC200X350STC is a large-bore, double-acting pneumatic cylinder delivering substantial push force for heavy industrial automation. At 0.5 MPa air pressure, it generates 15708 N of thrust, and at the maximum operating pressure of 0.9 MPa, output reaches 28274 N, driven by a 40 mm diameter piston rod.
This configuration includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (TC) supplied with the TCM1 bracket (F-SC200TC) for pivoting applications. The 350 mm stroke is well within the 1500 mm maximum standard stroke for the 200 mm bore, and the 33 mm adjustable air cushion at each end smoothly decelerates high-inertia loads.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X350STC Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X350STC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Stroke | 350 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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, 33 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (approx.) | 3204 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 SC200X350STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×350 | 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 SC200X350STC Is Used
Heavy Press & Clamping
Generates up to 28274 N of clamping force at 0.9 MPa, ideal for large-scale hydraulic replacement in pressing, riveting, and heavy-duty workholding fixtures.
Pallet & Conveyor Diverting
The centre trunnion mount allows the cylinder to pivot, making it suitable for actuating heavy diverters, gates, or sweep arms on pallet conveyor systems.
Large Valve & Damper Actuation
Provides the high thrust and long stroke needed to open and close large industrial butterfly valves, dampers, or hopper gates in processing plants.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X350STC the Right Cylinder?
Choose the SC200 bore when your application requires a push force between roughly 15708 N at 0.5 MPa and 28274 N at 0.9 MPa. If your load is lighter and you can accept a smaller footprint, stepping down to the SC160 bore (10053 N at 0.5 MPa) may reduce cost and air consumption. For even higher forces, the SC250 bore provides 24544 N at the same 0.5 MPa pressure.
For a 350 mm stroke, always assess side-load conditions. The 40 mm rod is robust, but any significant radial force at full extension can cause rod bearing wear or bending. In such cases, couple the cylinder with an external linear guide or consider a guided cylinder unit. When replacing an existing cylinder, match five points: 200 mm bore, 350 mm stroke, PT port thread, centre trunnion (TC) mounting, and the built-in magnet for sensor compatibility.
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 SC200X350STC FAQ
At 0.5 MPa (5 bar), the push force is 15708 N and the pull force is 15080 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 28274 N. The theoretical maximum force at 1.0 MPa is 3204 kgf.
No. The AirTAC SC series is a tie-rod cylinder and its body length (244 mm for the 200 bore) is shorter than an equivalent ISO 15552 profile cylinder, so it is not dimensionally interchangeable. It is a direct replacement only for another AirTAC SC200 tie-rod cylinder with matching stroke, PT ports, centre trunnion mount, and magnet.
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