Airtac SC50 Standard Cylinder SC50X240SH
The AirTAC Airtac SC50 Standard Cylinder SC50X240SH is a genuine double-acting standard air cylinder with a Ø50mm bore and 240mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke240 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X240SH
The SC50X240SH is a double-acting pneumatic cylinder with a 50 mm bore and 240 mm stroke, delivering a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa. This model features a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors and high-temperature Viton seals (H suffix) that extend the operating range to 0–150 °C.
With a 20 mm diameter piston rod and M16x1.5 rod thread, the cylinder provides robust linear guidance for medium-duty tasks. The adjustable air cushion at each end (21 mm length) decelerates the piston smoothly, and the PT1/4 port thread ensures straightforward pneumatic connection. The total body length is 150 mm, making the extended length approximately 390 mm.
Airtac SC50 Standard Cylinder SC50X240SH Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X240SH |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 240 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 SC50X240SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×240 | 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 SC50X240SH Is Used
Hot-Zone Automation
With Viton seals rated for 0–150 °C, this cylinder is ideal for actuating gates, diverters, or clamps inside autoclaves, drying ovens, or near heated platens where standard seals would fail.
Sensor-Monitored Pressing
The built-in magnet allows CMSG/DMSG sensors to confirm end-of-stroke position, making it perfect for assembly presses, staking operations, or adhesive bonding fixtures where cycle verification is critical.
High-Temp Material Handling
Use this cylinder for pushers or lifters in foundry-adjacent conveyors or hot-melt packaging lines. The 1767 N push force at 0.9 MPa handles heavy bins, while the Viton seals resist premature degradation.
Is the Airtac SC50 Standard Cylinder SC50X240SH the Right Cylinder?
For applications requiring a bit more force at the same pressure, stepping up to the 63 mm bore SC63 series provides 1559 N of push at 0.5 MPa. If a shorter, lighter cylinder is acceptable, the 40 mm bore SC40 series offers 628 N. At a 240 mm stroke, side-loading on the 20 mm rod should be avoided; if the load is not perfectly guided, use an external guide rail or consider a guided cylinder to prevent rod bending and premature seal wear.
To ensure a drop-in replacement, match five key points: the 50 mm bore, 240 mm stroke, PT port thread, the built-in magnet for sensor compatibility, and the Viton seal material for high-temperature operation. This cylinder is a direct replacement for another AirTAC SC50X240SH unit.
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 SC50X240SH FAQ
At the standard 0.5 MPa operating pressure, the cylinder provides 982 N of push force and 825 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N. These values are based on the 50 mm bore and 20 mm rod diameter.
No. This is a standard double-acting cylinder, and its piston will drift or drop if air pressure is lost or the directional valve is centered. The adjustable air cushion only decelerates the piston at the end of stroke to reduce impact; it is not a locking or holding brake. For load holding without live pressure, you must add an external rod lock or a pilot-operated check valve.
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