The AirTAC SC50 Standard Cylinder SC50X635S is a genuine double-acting standard air cylinder with a Ø50mm bore and 635mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC50X635S is a double-acting single-rod pneumatic cylinder with a 50 mm bore and a non-standard 635 mm stroke, built for applications needing an extended reach beyond the standard 1200 mm maximum. Its 20 mm diameter rod and PT1/4 ports deliver a push force of 982 N at 0.5 MPa and up to 1767 N at 0.9 MPa, providing substantial linear thrust for medium-duty automation.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to clamp directly onto the tie-rod barrel for contactless position sensing. The adjustable air cushion (21 mm length) decelerates the piston smoothly at end-of-stroke, while the TPU seals ensure reliable operation in standard temperatures from -20 to +70 °C.
| Model | Airtac SC50 Standard Cylinder SC50X635S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 635 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.
| 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.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×635 | 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.
Moves components across a 635 mm span on packaging or assembly lines, with magnetic sensors confirming full extension and retraction for reliable sequencing.
Operates a diverter gate or flap in material handling systems. The 982 N push force at 0.5 MPa handles medium-weight product flow, while the long stroke provides ample clearance.
Provides the long travel needed for lifting or lowering platforms in light-duty vertical applications. Pair with an external guide to prevent rod bending under eccentric loads.
Select the SC50X635S when your stroke requirement exceeds standard catalog lengths and you need integrated magnetic piston sensing. If your force requirement is lower, consider stepping down to the 40 mm bore (628 N push at 0.5 MPa); for higher force, the 63 mm bore offers 1559 N at the same pressure. This cylinder is a tie-rod design, shorter than an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC50 with matching stroke, port, and magnet.
For this 635 mm stroke, the unsupported rod length is significant. Any side load or off-axis mounting will create a bending moment on the rod bearing, leading to premature wear or rod buckling. Always use an external linear guide or a guided cylinder assembly to absorb transverse forces and protect the rod and seals.
Quick checklist
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, the push force reaches 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder and its body length is shorter than a comparable ISO 15552 cylinder. It is not dimensionally interchangeable with ISO 15552 profiles. Replace only with another AirTAC SC50 cylinder of identical bore, stroke, PT port thread, and built-in magnet.
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