Airtac SC50 Standard Cylinder SC50X175STC
The AirTAC Airtac SC50 Standard Cylinder SC50X175STC 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 SC50X175STC
The SC50X175STC delivers a push force of 982 N at 0.5 MPa (1767 N at 0.9 MPa), making it a strong mid-bore actuator for general automation. Its 20 mm rod and 21 mm adjustable air cushion provide smooth deceleration across the 175 mm stroke, while the PT1/4 ports keep flow rates high.
This model is factory-configured with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion (TC) mount that includes the TCM1 bracket (F-SC50TC). The trunnion allows the cylinder to pivot, absorbing misalignment in swinging or articulating linkages.
Airtac SC50 Standard Cylinder SC50X175STC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X175STC |
|---|---|
| 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 SC50X175STC
| 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 SC50X175STC Is Used
Part Diverter Gates
The 175 mm stroke and pivoting trunnion mount suit conveyor diverter gates, where the cylinder swings to redirect packages or components between lanes.
Clamping & Welding Fixtures
With 1767 N of force at 0.9 MPa and magnetic piston sensing, this cylinder provides reliable clamp confirmation in automated welding or assembly jigs.
Agricultural Machinery Linkages
The trunnion mount handles the arcing motion of chute controls and seed drill linkages, while TPU seals perform reliably in dusty, ambient-temperature environments.
Is the Airtac SC50 Standard Cylinder SC50X175STC the Right Cylinder?
Choose the SC50 when you need more force than an SC40 (628 N at 0.5 MPa) but a smaller footprint than an SC63 (1559 N at 0.5 MPa). The centre trunnion mount is ideal for applications where the cylinder must pivot during its stroke; ensure the trunnion pins are sized for the full thrust load.
For a direct replacement, match five points: 50 mm bore, 175 mm stroke, PT1/4 ports, centre trunnion (TC) mounting, and the built-in magnet (-S) for sensor compatibility. This is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X175STC FAQ
At the standard operating pressure of 0.5 MPa, it produces 982 N extending and 825 N retracting. At the maximum operating pressure of 0.9 MPa, the extending force increases to 1767 N.
Yes. The TC suffix means the cylinder is supplied with the TCM1 trunnion bracket (order code F-SC50TC). The trunnion pin centreline is located along the barrel, allowing the cylinder body to pivot freely.
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