Airtac AIRTAC SC125-160 Standard Cylinder SC160X300H
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X300H is a genuine double-acting standard air cylinder with a Ø160mm bore and 300mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke300 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X300H
The SC160X300H is a double-acting pneumatic cylinder delivering 10053 N push force at 0.5 MPa and 18095 N at the maximum operating pressure of 0.9 MPa. Its 160 mm bore and 300 mm stroke suit medium-to-heavy linear actuation tasks, while the 29 mm adjustable air cushion at each end decelerates the 40 mm diameter piston rod smoothly.
This variant carries the 'H' suffix, specifying Viton (FKM) seals that shift the operating temperature range from the standard -20 to +70 °C up to 0 to +150 °C. The body length A is 239 mm, giving a total extended length of approximately 539 mm. Ports are PT3/4 with an M36x2 rod thread, and the tie-rod construction keeps the cylinder shorter than an equivalent ISO 15552 profile.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X300H Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X300H |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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, 29 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (approx.) | 2050 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 SC160X300H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | 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 AIRTAC SC125-160 Standard Cylinder SC160X300H Is Used
Hot Press & Molding
The Viton seals withstand ambient temperatures up to 150 °C, making this cylinder ideal for actuating platens in heated laminating, composite molding, or rubber vulcanization presses.
Pallet Lifting & Turning
With 18095 N of force at 0.9 MPa, the SC160X300H can lift and rotate heavy pallets or bins in material handling stations where high ambient heat is present, such as near drying ovens.
Heavy Gate Valve Actuation
Delivers the high thrust needed to open and close large gate or knife valves controlling hot fluids or gases in chemical and process plants, where standard seals would degrade.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X300H the Right Cylinder?
Choose the SC160 bore when your application needs between 10053 N (push at 0.5 MPa) and 18095 N (push at 0.9 MPa). If you can accept a lower force, stepping down to the SC125 bore saves space and air consumption (6136 N push at 0.5 MPa). For higher force demands, the SC200 bore provides 15708 N at the same 0.5 MPa pressure. For this 300 mm stroke, ensure the rod is not subjected to side loading; use an external guide or a guided cylinder if the load is not perfectly axial, as the 40 mm rod can experience bending stress. To replace an existing unit, match five points: 160 mm bore, 300 mm stroke, PT3/4 port thread, basic mount (no bracket), and no magnet.
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 SC160X300H FAQ
At 0.5 MPa air pressure, the push force is 10053 N and the pull force is 9425 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 18095 N. The theoretical maximum force at 1.0 MPa is 2050 kgf.
No. The SC160X300H is a standard double-acting cylinder and will drift or drop if air pressure is lost or the directional valve is centered. For load holding without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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