Airtac SC50 Standard Cylinder SC50X1200S
The AirTAC Airtac SC50 Standard Cylinder SC50X1200S is a genuine double-acting standard air cylinder with a Ø50mm bore and 1200mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1200 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1200S
The SC50X1200S is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1767 N at 0.9 MPa). Its 50 mm bore and 1200 mm stroke suit long linear movements in material handling and automation. The built-in magnet (-S suffix) allows CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for contactless position feedback.
This tie-rod cylinder uses a 20 mm diameter piston rod with M16x1.5 male threads and PT1/4 ports. The adjustable air cushion (21 mm length) decelerates the piston smoothly at both ends. Body length A is 150 mm, giving a total extended length of approximately 1350 mm. Operating pressure is 0.15–1.0 MPa with TPU seals rated for -20 to +70 °C.
Airtac SC50 Standard Cylinder SC50X1200S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1200S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1200 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 SC50X1200S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1200 | 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 SC50X1200S Is Used
Long-Reach Part Transfer
Moves components 1200 mm across conveyor lines. The magnet confirms end-of-stroke, preventing cycle errors in automated pick-and-place stations.
Automated Assembly Pushers
Pushes sub-assemblies into fixtures over a long stroke. Sensor feedback from the -S magnet ensures the pusher has fully retracted before the next part is loaded.
Palletizing Gate Actuation
Operates a sliding gate or diverter arm on a palletizer. The 982 N force at 0.5 MPa handles medium-weight gates, while the adjustable cushion reduces end-impact noise.
Is the Airtac SC50 Standard Cylinder SC50X1200S the Right Cylinder?
For higher force, step up to the SC63 bore (1559 N push at 0.5 MPa); for lower force, the SC40 offers 628 N. At 1200 mm stroke, the 20 mm rod is long and unsupported—side loads or misalignment can cause rod bending or bearing wear. Use an external guide rail or a guided-cylinder solution to protect the rod and seals. When replacing, match bore (50 mm), stroke (1200 mm), PT1/4 port thread, the built-in magnet (-S), and the basic mounting style.
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 SC50X1200S FAQ
At 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, push force reaches 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
Yes. The -S suffix indicates a built-in magnet, so AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors mount directly onto the cylinder's tie-rod barrel without extra brackets.
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