Airtac SC50 Standard Cylinder SC50X1590S
The AirTAC Airtac SC50 Standard Cylinder SC50X1590S is a genuine double-acting standard air cylinder with a Ø50mm bore and 1590mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1590 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1590S
The AirTAC SC50X1590S is a double-acting single-rod pneumatic cylinder with a 50 mm bore and an extended 1590 mm stroke, built with a factory-installed magnet for barrel-mounted position sensors. At 0.5 MPa it delivers 982 N pushing force, rising 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.
This stroke length exceeds the standard maximum of 1200 mm for the 50 mm bore, making it a non-standard made-to-order configuration. The cylinder body length A is 150 mm, giving a total extended length of approximately 1740 mm. It features adjustable pneumatic cushioning (21 mm cushion length) at both ends, PT1/4 ports, and operates on filtered air at 0.15–1.0 MPa with a speed range of 30–800 mm/s.
Airtac SC50 Standard Cylinder SC50X1590S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1590S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1590 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 SC50X1590S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1590 | 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 SC50X1590S Is Used
Long-Reach Material Transfer
The 1590 mm stroke pushes or pulls parts across wide conveyor gaps or between distant stations, with the magnet enabling end-of-stroke confirmation via CMSG/DMSG sensors.
Automated Panel Indexing
Moves large panels or sheets through multi-step processing fixtures. The adjustable air cushion decelerates the 20 mm rod smoothly at each end of the long travel.
Pallet Dispensing Systems
Extends fully to eject a pallet from a stack. The built-in magnet allows reliable position feedback to the PLC before the next cycle starts.
Is the Airtac SC50 Standard Cylinder SC50X1590S the Right Cylinder?
Select the SC50X1590S when your application needs a 50 mm bore with a very long 1590 mm stroke and magnetic piston sensing. If 982 N at 0.5 MPa is insufficient, stepping up to the 63 mm bore provides 1559 N at the same pressure; if you need a shorter standard stroke, the 40 mm bore offers 628 N at 0.5 MPa. For strokes of 300 mm or more, side loads become critical—long unsupported rods bend under lateral force, so use an external linear guide or switch to a guided cylinder to protect the rod bearing and seals.
To replace an existing SC50X1590S, match five points exactly: 50 mm bore, 1590 mm stroke, PT1/4 port thread, the built-in magnet (-S suffix), and the basic (no bracket) mounting. 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 SC50X1590S FAQ
At 0.5 MPa supply pressure the cylinder pushes with 982 N and pulls with 825 N. At the maximum operating pressure of 0.9 MPa, the push force is 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
A 20 mm rod extended 1590 mm is susceptible to buckling under compressive loads and bending under side loads. Always guide the load externally with a linear rail or rodless actuator, and avoid applying lateral force to the rod end. For high side-load applications, consider a guided cylinder instead.
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