Airtac SC50 Standard Cylinder SC50X350STC
The AirTAC SC50 Standard Cylinder SC50X350STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 350mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke350 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SC50 Standard Cylinder SC50X350STC
The AirTAC SC50X350STC is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa, making it a robust mid-range actuator for industrial automation. This model features a 20 mm diameter piston rod, PT1/4 ports, and an adjustable air cushion of 21 mm to decelerate end-of-stroke impact smoothly.
Configured with a built-in magnet (-S suffix) and a centre trunnion mount (-TC suffix), this cylinder is ready for pivoting applications. The magnet allows direct clamping of CMSG, DMSG, or EMSG sensors to the barrel for non-contact position sensing. The trunnion bracket (F-SC50TC, supplied with the TCM1 bracket) enables the cylinder to swing as the load articulates, preventing rod bending from misalignment.
Airtac SC50 Standard Cylinder SC50X350STC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X350STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 350 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X350STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | 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 SC50 Standard Cylinder SC50X350STC Is Used
Part Diverter Gates
The 350 mm stroke and pivoting trunnion mount allow the cylinder to swing a diverter gate on a conveyor line, reliably sorting packages with a push force of up to 1767 N.
Welding Fixture Clamping
With a built-in magnet for sensor feedback, this cylinder confirms clamp position in automated welding cells, applying 982 N of force at standard shop air pressure.
Agricultural Chute Control
The centre trunnion mount handles the arcing motion of a discharge chute on a grain or feed handling system, while the TPU seals perform reliably in dusty environments from -20 to +70 °C.
Is the Airtac SC50 Standard Cylinder SC50X350STC the Right Cylinder?
Select the SC50 bore when your application requires a force between the SC40 (628 N push at 0.5 MPa) and the SC63 (1559 N push at 0.5 MPa). For this 350 mm stroke, ensure the rod is not subjected to direct side loads; an external guide rail or guided cylinder is recommended to protect the rod bearing and seals from premature wear caused by bending moments.
For a direct replacement, match five key points: 50 mm bore, 350 mm stroke, PT1/4 port thread, centre trunnion (TC) mounting with the F-SC50TC bracket, and the built-in magnet (-S) for sensor compatibility. This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC50 of identical configuration.
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 SC50 Standard Cylinder SC50X350STC FAQ
At 0.7 MPa, the theoretical push force is 1374 N and the pull force (accounting for the 20 mm rod area) is 1155 N. The maximum operating push force at 0.9 MPa is 1767 N.
No, the AirTAC SC series is a tie-rod cylinder with a shorter body length (A=150 mm) than a comparable ISO 15552 cylinder. It is not dimensionally interchangeable. Only replace with another AirTAC SC50 tie-rod cylinder matching the 350 mm stroke, PT ports, and trunnion mount.
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