Airtac SC50 Standard Cylinder SC50X50
The AirTAC Airtac SC50 Standard Cylinder SC50X50 is a genuine double-acting standard air cylinder with a Ø50mm bore and 50mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke50 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X50
The AirTAC SC50X50 is a compact-stroke pneumatic workhorse built on the SC tie-rod platform. With a 50 mm bore and a short 50 mm stroke, it produces a push force of 982 N at 0.5 MPa (1374 N at 0.7 MPa), making it ideal for clamping, ejecting, and short-transfer tasks where space is tight.
This model features a 20 mm diameter piston rod with M16x1.5 male threads and PT1/4 pneumatic ports. The body length A is 150 mm, giving a total extended length of approximately 200 mm. Standard TPU seals suit ambient temperatures from -20 to +70 °C, and the built-in adjustable air cushion at each end absorbs impact without external shock absorbers.
Airtac SC50 Standard Cylinder SC50X50 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X50 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 50 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 SC50X50
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | 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 SC50 Standard Cylinder SC50X50 Is Used
Clamping & Holding
Generates 982 N at 0.5 MPa for secure part clamping on CNC fixtures and welding jigs, holding workpieces rigidly during short-cycle machining.
Part Ejection
The 50 mm stroke provides a clean, repeatable push to eject finished parts from injection moulds or stamping dies onto a conveyor.
Short-Transfer Actuation
Moves small pallets or components between two close stations in automated assembly cells, where the compact 200 mm extended length fits easily.
Is the Airtac SC50 Standard Cylinder SC50X50 the Right Cylinder?
Choose the SC50 bore when your application needs roughly 1000 N of push force at standard plant air pressure. If you need more force in the same compact envelope, stepping up to the SC63 delivers 1559 N at 0.5 MPa. For lighter, faster cycling, the SC40 produces 628 N. Because this is a 50 mm stroke, rod bending under side load is not a primary concern, but always centre the load axially. For direct replacement, match bore, stroke, PT1/4 port thread, and confirm the basic (no-bracket) mounting style. If you later add a magnet, order the SC50X50-S variant.
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 SC50X50 FAQ
At 0.5 MPa (approx. 73 psi) the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, push force reaches 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
This specific model (SC50X50 without an -S suffix) does not have a built-in magnet. To use CMSG or DMSG sensors for end-of-stroke detection, you must order the SC50X50-S variant, which includes a magnet in the piston. The standard model requires external limit switches if position feedback is needed.
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