Airtac AIRTAC SC125-160 Standard Cylinder SC125X150STC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X150STC 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 SC125X150STC
The AirTAC SC125X150STC is a double-acting tie-rod cylinder delivering 6136 N of push force at 0.5 MPa, making it a robust choice for medium-to-heavy industrial linear motion. This ISO 6430 class model features a 32 mm piston rod, M27x2 rod thread, and a 28 mm adjustable air cushion for reliable end-of-stroke deceleration.
This specific configuration includes a built-in magnet (S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (TC) supplied with the TCM1 bracket (F-SC125TC). The standard PT port thread and TPU seals complete the build, rated for -20 to +70 C operation.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X150STC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X150STC |
|---|---|
| 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 SC125X150STC
| 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 SC125X150STC Is Used
Conveyor Diverters
The 6136 N push force and pivoting TC mount allow this cylinder to actuate heavy-duty diverters or gates on high-throughput conveyor systems.
Press Clamping
Provides consistent, high-force clamping for welding fixtures or assembly presses, with magnetic sensors confirming full clamp extension before cycle start.
Agricultural Machinery
Operates large levers or chute controls on harvesters and spreaders, where the trunnion mount absorbs the angular motion of the mechanism.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X150STC the Right Cylinder?
Select the SC125 when your application requires a force step up from the SC100, which provides 3927 N at 0.5 MPa. If your load demands exceed 6136 N, stepping up to the SC160 bore offers 10053 N. For this 150 mm stroke, rod support is generally adequate, but always avoid significant side loading on the 32 mm rod. To ensure a correct replacement, match five points: 125 mm bore, 150 mm stroke, PT port thread, centre trunnion (TC) mounting, and the integrated magnet (-S) for 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 AIRTAC SC125-160 Standard Cylinder SC125X150STC 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.
No. The SC is a tie-rod cylinder and is physically shorter than an ISO 15552 profile cylinder. It is a direct replacement only for another AirTAC SC125 tie-rod cylinder with matching stroke, PT ports, TC mount, and magnet.
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