Airtac SC50 Standard Cylinder SC50X175FB
The AirTAC Airtac SC50 Standard Cylinder SC50X175FB is a genuine double-acting standard air cylinder with a Ø50mm bore and 175mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke175 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X175FB
The SC50X175FB is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa, ideal for medium-duty clamping and pressing tasks. Its 175 mm stroke is a standard length for the 50 mm bore, which uses a 20 mm diameter piston rod and M16x1.5 rod thread for robust connection.
This model features an FB rear rectangular flange (F-SC50FB) for secure end-face mounting. The tie-rod construction keeps the body length to 150 mm, resulting in a compact extended length of 325 mm. Standard PT1/4 ports and adjustable air cushioning at both ends ensure smooth deceleration.
Airtac SC50 Standard Cylinder SC50X175FB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X175FB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 175 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 SC50X175FB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×175 | 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 SC50X175FB Is Used
Machine Tool Actuation
The rear flange mount provides rigid support for powering tool slides, drill feeds, or broaching operations where the cylinder body is fixed to a machine bulkhead.
Product Stopper Gate
With 982 N of push force at 0.5 MPa, this cylinder reliably raises and lowers stop gates on conveyor lines to control pallet or carton flow.
Assembly Press
Ideal for small benchtop presses or riveting stations. The 175 mm stroke provides ample travel for part loading, while the adjustable cushion protects tooling at end-of-stroke.
Is the Airtac SC50 Standard Cylinder SC50X175FB the Right Cylinder?
Choose the SC50X175FB when your application needs a rear-flange mounting point and around 1000 N of force at standard line pressure. If you require more force, stepping up to the 63 mm bore provides 1559 N push at 0.5 MPa; for a lighter, more compact solution, the 40 mm bore offers 628 N.
For a drop-in replacement, match five points: 50 mm bore, 175 mm stroke, PT1/4 port thread, FB rear flange mounting, and the absence of a magnet. This tie-rod cylinder is shorter than an ISO 15552 profile and is not dimensionally interchangeable with that standard.
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 SC50X175FB FAQ
At 0.7 MPa operating pressure, the theoretical push force is 1374 N. The pull force on the retract stroke is 825 N at 0.5 MPa, due to the area reduction from the 20 mm piston rod.
This specific model (FB suffix) includes a rear rectangular flange. For centre trunnion mounting, you would need the TC suffix (e.g., SC50X175TC), which ships with the TCM1 bracket. Mounting accessories are not interchangeable between different suffix types after manufacture.
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