Airtac AIRTAC SC125-160 Standard Cylinder SC125X650SH
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X650SH is a genuine double-acting standard air cylinder with a Ø125mm bore and 650mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke650 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X650SH
The SC125X650SH is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 125 mm bore with a 650 mm stroke. At 0.5 MPa it generates 6136 N of push force, scaling up to 11045 N at the maximum operating pressure of 0.9 MPa, making it suitable for demanding medium-to-heavy linear actuation tasks.
This model is built with the H suffix, specifying Viton (FKM) seals that shift the operating temperature range to 0–150 °C, ideal for hot or thermally aggressive environments. The 32 mm diameter piston rod and adjustable air cushion (28 mm length) provide robust guidance and reliable end-of-stroke deceleration for ISO 6430 class performance.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X650SH Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X650SH |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 650 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 SC125X650SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×650 | 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 SC125X650SH Is Used
High-Temperature Clamping
With Viton seals rated for 0–150 °C, this cylinder handles hot clamping, pressing, or forming operations near ovens, autoclaves, and heated platens without seal degradation.
Heavy Part Transfer
The 650 mm stroke and 6136 N push force at 0.5 MPa move large castings, weldments, or heavy fixtures between stations on transfer lines and indexing conveyors.
Industrial Press Actuation
Delivering up to 11045 N at 0.9 MPa, it powers medium-tonnage presses for assembly, crimping, or die-cutting in manufacturing cells.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X650SH the Right Cylinder?
Select the SC125 bore when your application needs between roughly 6100 N and 11000 N of push force; if you can work with a lower force budget around 3900 N at 0.5 MPa, stepping down to the SC100 bore saves space and air consumption. For strokes of 300 mm and above, always evaluate side-load conditions—the 650 mm stroke here can amplify bending moments on the rod bearing, so consider an external guide or a guided cylinder if the load is not purely axial.
To replace an existing SC125X650SH, match five points: 125 mm bore, 650 mm stroke, PT port thread, basic (no mounting accessory), and Viton seals. The SC series is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC125X650SH FAQ
At 0.5 MPa, push force is 6136 N and pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The AirTAC SC series is a tie-rod cylinder, not an ISO 15552 profile cylinder. Its body length is shorter than an equivalent ISO 15552 cylinder, so mounting dimensions and accessories differ. Only replace another AirTAC SC tie-rod cylinder with matching bore, stroke, port thread, mounting, and magnet option.
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