Airtac AIRTAC SC125-160 Standard Cylinder SC160X900H
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X900H is a genuine double-acting standard air cylinder with a Ø160mm bore and 900mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke900 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X900H
The AirTAC SC160X900H is a large-bore double-acting pneumatic cylinder engineered for high-temperature service, with a 160 mm bore and 900 mm stroke. Its Viton (FKM) seals shift the operating temperature range to 0–150 °C, making it suitable for autoclaves, foundries, and drying lines where standard polyurethane cannot survive.
This cylinder generates a theoretical push force of 10053 N at 0.5 MPa and reaches 18095 N at the maximum operating pressure of 0.9 MPa. The 40 mm diameter piston rod and 29 mm adjustable air cushion at each end provide robust deceleration for heavy payloads. The body length A is 239 mm, giving a total extended length of approximately 1139 mm.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X900H Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X900H |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 900 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 SC160X900H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×900 | 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 SC160X900H Is Used
High-Temperature Material Handling
With Viton seals rated to 150°C, this cylinder reliably actuates gates, pushers, and transfer arms inside industrial ovens, kilns, and autoclave loading systems.
Heavy Press & Clamping
Delivering 18095 N at 0.9 MPa, the SC160X900H powers large pneumatic presses, die-casting extractors, and heavy-duty welding fixtures requiring a long 900 mm stroke.
Chemical & Steam Process Actuation
The FKM seal material resists aggressive chemicals and steam, making this cylinder ideal for valve actuation and damper control in chemical plants and steam-generation equipment.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X900H the Right Cylinder?
For a 160 mm bore, this cylinder delivers 10053 N of push force at 0.5 MPa. If your load requires more force, step up to the 200 mm bore (15708 N at 0.5 MPa); for a lighter, more compact solution, the 125 mm bore provides 6136 N. At a 900 mm stroke, ensure the rod is protected from side loading—use an external guide rail or linear bearing to prevent rod bending and premature seal wear.
When replacing an existing cylinder, match five key points: 160 mm bore, 900 mm stroke, PT port thread, basic mounting (no bracket), and the absence of a magnet. This model uses Viton seals, so verify the temperature requirement matches your application.
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 SC160X900H FAQ
At the standard 0.5 MPa operating 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 at 1.0 MPa is 2050 kgf.
No. The SC160X900H is a double-acting cylinder and will drift or drop if air pressure is exhausted or the directional valve is centered. The adjustable air cushions only decelerate the piston at the end of stroke. If you need to hold a load without live pressure, you must add a pilot-operated check valve or an external mechanical rod lock.
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