Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH is a genuine double-acting standard air cylinder with a Ø125mm bore and 150mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke150 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH
The SC125X150SH is a double-acting pneumatic cylinder delivering 6136 N of push force at 0.5 MPa, scaling to 11045 N at the maximum operating pressure of 0.9 MPa. With a 150 mm stroke and a 32 mm diameter piston rod, this model is built for heavy linear actuation tasks where high force and moderate travel are required.
This variant includes a built-in magnet (-S) for direct mounting of CMSG, DMSG, or EMSG sensors, and features Viton (FKM) seals (-H) that shift the operating temperature range to 0 to +150 °C. The 28 mm adjustable air cushion at each end decelerates the piston smoothly, protecting the end caps during high-speed, high-load cycles.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×150 | 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 AIRTAC SC125-160 Standard Cylinder SC125X150SH Is Used
Heavy Press Tool Actuation
The 11045 N maximum push force operates clamping fixtures and forming tools in hydraulic-style press applications, using clean compressed air.
Pallet Transfer Systems
Moves heavy pallets or engine blocks between conveyor lines, with the -S magnet confirming end-of-stroke position for automated sequencing.
High-Temperature Autoclave Doors
Viton seals allow this cylinder to operate reliably at up to 150 °C, making it suitable for actuating doors and locks on sterilization autoclaves.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X150SH the Right Cylinder?
For applications needing slightly less force, the SC100 bore provides 3927 N at 0.5 MPa, while stepping up to the SC160 bore offers 10053 N. This SC125X150SH is a tie-rod cylinder, shorter than an ISO 15552 profile, so direct replacement must match another AirTAC SC125 with a 150 mm stroke, PT ports, a magnet, and the same mounting configuration. The big-bore SC125-250 series aligns with the ISO 6430 class for robust industrial service.
At a 150 mm stroke, the 32 mm rod is well-supported for axial loads, but any significant side loading still requires an external guide or a guided cylinder to prevent rod bearing wear and bending.
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 AIRTAC SC125-160 Standard Cylinder SC125X150SH FAQ
At 0.5 MPa, it delivers 6136 N push and 5734 N pull. At the maximum operating pressure of 0.9 MPa, the push force increases to 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The SC125X150SH is a double-acting cylinder and will drift or drop if pressure is exhausted or the directional valve is centered. For load holding without live pressure, you must add a pilot-operated check valve or an external mechanical rod brake.
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