Airtac SC50 Standard Cylinder SC50X675S
The AirTAC SC50 Standard Cylinder SC50X675S is a genuine double-acting standard air cylinder with a Ø50mm bore and 675mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke675 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SC50 Standard Cylinder SC50X675S
The AirTAC SC50X675S is a double-acting single-rod pneumatic cylinder with a 50 mm bore and a non-standard 675 mm stroke, built for applications needing extended reach with reliable mid-range force. It delivers 982 N of push force at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa, driven by a 20 mm diameter piston rod with M16x1.5 male threads.
The cylinder features a built-in magnet (denoted by the -S suffix), allowing easy mounting of CMSG, DMSG, or EMSG reed and solid-state sensors directly onto the tie-rod barrel for precise end-of-stroke or mid-stroke position feedback. With a body length A of 150 mm, the total extended length is approximately 825 mm, and the 21 mm adjustable air cushion at each end helps decelerate the load smoothly.
Airtac SC50 Standard Cylinder SC50X675S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X675S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 675 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 SC50X675S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×675 | 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 SC50X675S Is Used
Long-Reach Part Transfer
The 675 mm stroke and 20 mm rod are suited for pushing or lifting parts between distant conveyor stations where a mid-range force of 982 N at 0.5 MPa is sufficient.
Automated Assembly Pusher
With the built-in magnet, CMSG sensors provide precise position confirmation for an assembly pusher that must extend deeply into a fixture, ensuring complete part insertion.
Diverting Gate Actuator
Operates a tall diverting gate on a packaging line, using the adjustable cushion to manage the inertia of the gate at the end of the long 675 mm travel.
Is the Airtac SC50 Standard Cylinder SC50X675S the Right Cylinder?
For a step up in force, the 63 mm bore SC63 series provides 1559 N at 0.5 MPa, while the 40 mm bore offers 628 N if a more compact cylinder is acceptable. Because this 675 mm stroke exceeds the 1200 mm maximum standard stroke for the 50 mm bore, it is a made-to-order configuration. For strokes of this length, ensure the rod is protected from side loads; an external linear guide or a guided cylinder is strongly recommended to prevent rod bending and premature bearing wear.
When replacing an existing cylinder, match five key points: 50 mm bore, 675 mm stroke, PT1/4 port thread, the built-in magnet for sensor compatibility, and the basic (no bracket) mounting style. This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC50 of the same 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 SC50X675S FAQ
At the standard operating pressure of 0.7 MPa, the push force is 1374 N and the pull force is 1155 N. The maximum push force at 0.9 MPa is 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. As a standard double-acting cylinder, the SC50X675S will drift or drop if air pressure is exhausted or the directional valve is centered. To hold a load or position without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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