Airtac SC50 Standard Cylinder SC50X300SH
The AirTAC Airtac SC50 Standard Cylinder SC50X300SH is a genuine double-acting standard air cylinder with a Ø50mm bore and 300mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke300 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X300SH
The AirTAC SC50X300SH is a double-acting single-rod pneumatic cylinder with a 50 mm bore and 300 mm stroke, factory-equipped with a built-in magnet and high-temperature Viton (FKM) seals. This configuration extends the operating temperature range to 0–150 °C, making it suitable for hot environments where standard seals would degrade. At the standard 0.7 MPa supply, it generates 1374 N of push force, and at the maximum operating pressure of 0.9 MPa, thrust reaches 1767 N.
With a 20 mm diameter piston rod and M16x1.5 rod thread, the SC50X300SH provides robust linear motion for medium-duty applications. The PT1/4 pneumatic ports and 21 mm adjustable air cushion at each end ensure smooth deceleration. The integrated magnet allows direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for reliable end-of-stroke detection without external brackets.
Airtac SC50 Standard Cylinder SC50X300SH Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X300SH |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 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 SC50X300SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | 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 SC50X300SH Is Used
Foundry & Heat Treatment
Operates reliably in high-ambient-temperature environments such as foundries, kilns, and autoclaves, where standard seals would degrade.
Automated Welding Cells
Withstands weld spatter and radiant heat in robotic welding fixtures, using the magnet for clamp confirmation.
Hot Material Handling
Positions hot workpieces or actuates gates near ovens and dryers, maintaining performance up to 150°C.
Is the Airtac SC50 Standard Cylinder SC50X300SH the Right Cylinder?
For applications requiring position sensing in hot conditions, the SC50X300SH is a ready-to-install solution. When selecting a cylinder for side-loaded or long-stroke applications, consider that the 300 mm stroke on a 20 mm rod may require external guidance to prevent bending. If higher force is needed, stepping up to the 63 mm bore provides 2805 N at 0.9 MPa. For lower force requirements, the 40 mm bore offers 1130 N. Ensure replacement cylinders match the 50 mm bore, 300 mm stroke, PT1/4 ports, and the -S magnet option to maintain sensor compatibility.
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 SC50X300SH FAQ
At 0.5 MPa (5 bar) air pressure, the push force is 982 N and the pull force is 825 N. At the maximum 0.9 MPa operating pressure, push force increases to 1767 N.
Yes, the -S suffix indicates a built-in magnet, making it fully compatible with AirTAC CMSG, DMSG, and EMSG series reed and solid-state sensors that clamp directly onto the cylinder barrel.
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