Airtac AIRTAC SC125-160 Standard Cylinder SC160X850
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X850 is a genuine double-acting standard air cylinder with a Ø160mm bore and 850mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke850 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X850
The AirTAC SC160X850 is a double-acting tie-rod cylinder delivering 10053 N of push force at 0.5 MPa, scaling up to a substantial 18095 N at the maximum operating pressure of 0.9 MPa. With an 850 mm stroke and a 40 mm diameter piston rod, this model is built for heavy industrial linear tasks requiring significant force over a long travel distance.
This cylinder features a 29 mm adjustable air cushion at each end to decelerate the piston smoothly, protecting the end caps from impact. The body length A is 239 mm, making the total extended length approximately 1089 mm. It uses a PT3/4 port and an M36x2 rod thread, and operates reliably within a -20 to +70 °C range with its standard TPU seals.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X850 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X850 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 850 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 SC160X850
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×850 | 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 SC160X850 Is Used
Sawmill Log Handling
Provides the high force and long stroke needed to clamp, index, or kick large logs and cants in a sawmill carriage, operating reliably in dusty conditions.
Heavy Agricultural Machinery
Actuates large chute deflectors, hopper doors, or folding implements on harvesters and spreaders, where a robust 10053 N push force at 0.5 MPa is required.
Scrap Metal Baler Ram
Drives the compression ram in a medium-sized scrap baler, using its 18095 N maximum force to compact metal turnings or cans into dense bales for recycling.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X850 the Right Cylinder?
Select the SC160X850 when your application demands a push force in the 10000 N class at standard plant pressure. If your force requirement is lower, stepping down to an SC125 bore reduces the push force to 6136 N at 0.5 MPa, potentially saving space and air consumption. For strokes of this length, ensure the load is guided and perfectly axial; a 40 mm rod extending 850 mm is vulnerable to bending under side loads, so an external guide rail or rod-alignment coupler is essential.
For a direct replacement, match five key specifications: the 160 mm bore, 850 mm stroke, PT3/4 port thread, the specific mounting accessory (if any), and the magnet option. This is a tie-rod cylinder 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 SC160X850 FAQ
At 0.7 MPa operating pressure, the SC160X850 generates a theoretical push force of 14074 N and a pull force of 9425 N. The maximum force at 0.9 MPa is 18095 N push.
No. The SC160X850 is a standard double-acting cylinder and will not hold its position if air pressure is exhausted or lost. The piston will drift. To hold a load safely, you must add an external pilot-operated check valve or a mechanical rod lock.
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