Airtac AIRTAC SC125-160 Standard Cylinder SC125X105SH
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X105SH is a genuine double-acting standard air cylinder with a Ø125mm bore and 105mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke105 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X105SH
The AirTAC SC125X105SH is a double-acting single-rod pneumatic cylinder delivering 6136 N push force at 0.5 MPa and up to 11045 N at the maximum operating pressure of 0.9 MPa. With a 105 mm stroke, this model is well-suited for medium-travel clamping and pressing operations, featuring a 32 mm piston rod and M27x2 rod thread for robust connection.
This variant is equipped with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors and high-temperature Viton (FKM) seals (-H), extending the operating range to 0-150°C. The tie-rod construction provides a shorter overall length than an ISO 15552 profile, with a body length A of 203 mm and an adjustable pneumatic cushion of 28 mm for smooth deceleration.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X105SH Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X105SH |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 105 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 SC125X105SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×105 | 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 SC125X105SH Is Used
Hot Press & Molding
The Viton seals and 0-150°C rating make this cylinder ideal for tire curing presses, composite molding, and heated platen applications where standard seals would degrade.
Heavy Part Clamping
Delivers 11045 N of clamping force at 0.9 MPa. The built-in magnet enables end-of-stroke sensing to confirm the part is securely locked before machining or welding begins.
Industrial Automation
Used in foundry equipment and steel mill actuators. The 32 mm rod and M27x2 thread handle high side loads when externally guided, and the adjustable cushion protects the end caps during high-speed cycles.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X105SH the Right Cylinder?
Select the SC125X105SH for applications needing high force in a compact tie-rod format. If your load requires less force, consider stepping down to the SC100 bore (3927 N at 0.5 MPa). For even higher force demands, the SC160 bore offers 10053 N at 0.5 MPa. The 105 mm stroke is within the standard range for this bore. When replacing, ensure a 5-point match: 125 mm bore, 105 mm stroke, PT port thread, the built-in magnet sensor option, and the Viton seal material.
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 SC125X105SH FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
No. The SC125X105SH is a double-acting cylinder and does not lock or hold position when pressure is exhausted or the directional valve is centered. The piston will drift under load. For load holding, you must add a pilot-operated check valve or an external rod brake.
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