Airtac SC50 Standard Cylinder SC50X165
The AirTAC Airtac SC50 Standard Cylinder SC50X165 is a genuine double-acting standard air cylinder with a Ø50mm bore and 165mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke165 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X165
The SC50X165 is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 50 mm bore with a 165 mm stroke. At 0.5 MPa air pressure, it provides a push force of 982 N and a pull force of 825 N, driven by a 20 mm diameter piston rod with M16x1.5 male threads.
With a compact body length A of 150 mm, the total extended length reaches 315 mm. The cylinder features PT1/4 ports and an adjustable pneumatic cushion (21 mm length) at both ends to decelerate the piston smoothly, reducing end-of-stroke impact. This model uses standard TPU seals for operation in temperatures from -20 to +70 °C.
Airtac SC50 Standard Cylinder SC50X165 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X165 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 165 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 SC50X165
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×165 | 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 SC50X165 Is Used
Part Rejection Gates
The 982 N push force at 0.5 MPa easily actuates diverter gates on conveyor lines, reliably pushing non-conforming products off the belt with a 165 mm stroke.
Clamping & Holding
Provides consistent clamping pressure for medium-duty woodworking or metal fabrication jigs. The adjustable cushion prevents part marring at the end of the clamping stroke.
Box Flap Folding
Ideal for case erectors and packers, the 165 mm stroke folds large box flaps with controlled motion, and the 20 mm rod resists bending under repetitive cycling.
Is the Airtac SC50 Standard Cylinder SC50X165 the Right Cylinder?
The SC50 bore is a mid-range workhorse, stepping up from the SC40 (628 N push at 0.5 MPa) and below the SC63 (1559 N push at 0.5 MPa). If your load demands more force, moving to the 63 mm bore nearly doubles the output without a large increase in body length. For this 165 mm stroke, the rod is well-supported within standard limits, but always align the load axially to prevent side-loading the rod bearing.
When replacing an existing cylinder, match five key points: the 50 mm bore, 165 mm stroke, PT1/4 port thread, the specific mounting accessory (this is a basic body, so verify your existing bracket type), and the absence of a built-in magnet. This ensures a drop-in fit for another AirTAC SC50 tie-rod unit.
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 SC50X165 FAQ
At the standard operating pressure of 0.5 MPa, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N.
This specific model (SC50X165) does not include the -S magnet option, so the piston does not have a magnetic ring. To use CMSG or DMSG sensors, you would need the SC50X165-S variant, which has a built-in magnet.
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