Airtac SC50 Standard Cylinder SC50X325S
The AirTAC SC50 Standard Cylinder SC50X325S is a genuine double-acting standard air cylinder with a Ø50mm bore and 325mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke325 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
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About the Airtac SC50 Standard Cylinder SC50X325S
The SC50X325S is a 50 mm bore double-acting tie-rod cylinder with a 325 mm stroke, factory-equipped with a built-in magnet (suffix -S). This allows direct mounting of AirTAC CMSG, DMSG, or EMSG reed and solid-state sensors along the barrel for reliable end-of-stroke detection without external brackets. The piston rod is 20 mm diameter with an M16x1.5 male thread, and the cylinder delivers a push force of 982 N at 0.5 MPa (1374 N at 0.7 MPa).
With a body length A of 150 mm and a cushion length of 21 mm, the SC50X325S provides adjustable pneumatic cushioning at both ends to decelerate the piston smoothly. The standard PT1/4 port thread and TPU seals suit filtered-air operation from -20 to +70 °C. At 325 mm, this stroke is within the 1200 mm maximum standard stroke for the 50 mm bore, making it a readily available configuration.
Airtac SC50 Standard Cylinder SC50X325S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X325S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 325 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 SC50X325S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×325 | 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 SC50X325S Is Used
Material Sorting Gates
The 325 mm stroke and sensor-ready magnet make this cylinder ideal for diverting packages on conveyor lines, where mid-stroke or end-stroke confirmation is required for high-speed sortation logic.
Clamping & Fixturing
Delivering 1374 N at 0.7 MPa, the SC50X325S provides consistent clamping force for CNC fixtures and welding jigs, with magnetic sensors verifying clamp engagement before the cycle starts.
Pallet Dispenser Pushers
Used in automated pallet dispensers, this cylinder pushes a single pallet from a stack with 982 N of force, while the integrated magnet signals the PLC when the pallet has been fully ejected.
Is the Airtac SC50 Standard Cylinder SC50X325S the Right Cylinder?
For applications needing slightly less force, the 40 mm bore SC40 series provides 628 N push at 0.5 MPa; for higher thrust, the 63 mm bore SC63 series delivers 1559 N at the same pressure. At a 325 mm stroke, ensure the rod is not subjected to significant side loading—if lateral forces are present, pair the cylinder with an external linear guide or consider a guided cylinder to prevent rod bearing wear and bending. When replacing an existing unit, match five key points: 50 mm bore, 325 mm stroke, PT1/4 port thread, the built-in magnet (-S suffix), and the basic (no bracket) mounting 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 SC50X325S FAQ
At the standard operating pressure of 0.5 MPa, the push force is 982 N and the pull force is 825 N. At 0.7 MPa, push force increases to 1374 N. The maximum theoretical force at 1.0 MPa is 200 kgf.
Yes. The -S suffix indicates a factory-installed magnet in the piston. This allows you to clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the barrel tie-rods to detect piston position without any additional mounting hardware.
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