Airtac AIRTAC SC125-160 Standard Cylinder SC160X370
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X370 is a genuine double-acting standard air cylinder with a Ø160mm bore and 370mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke370 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X370
The SC160X370 is a double-acting tie-rod cylinder that generates a substantial 10053 N of push force at 0.5 MPa (18095 N at 0.9 MPa), making it suitable for heavy pressing, clamping, and forming operations. With a 40 mm diameter piston rod and a 29 mm adjustable air cushion, it decelerates high-inertia loads smoothly at the end of the 370 mm stroke.
This model features a body length A of 239 mm, resulting in a total extended length of approximately 609 mm. The standard PT3/4 ports supply ample flow for the 160 mm bore, and the cylinder is fitted with TPU seals for a standard operating temperature range of -20 to +70 °C.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X370 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X370 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 370 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 SC160X370
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×370 | 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 SC160X370 Is Used
Heavy-Duty Clamping
Applies up to 18095 N of force at 0.9 MPa to secure large workpieces in CNC machining centers and welding fixtures.
Press-Fit Assembly
Delivers the controlled linear thrust needed for installing bearings, bushings, and pins with a 370 mm insertion stroke.
Bulk Material Gate
Operates heavy slide gates in silos and hoppers, using its high push force to shear through packed aggregate or grain.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X370 the Right Cylinder?
For applications needing slightly less force in a lighter package, stepping down to a 125 mm bore provides 6136 N at 0.5 MPa. Conversely, if the 10053 N force is marginal, the 200 mm bore offers 15708 N at the same pressure. The 370 mm stroke is well within the 1500 mm maximum standard stroke for this bore.
To ensure a direct replacement, match five key attributes: bore (160 mm), stroke (370 mm), port thread (PT3/4), mounting style (basic), and the presence of a magnet (none on this model). For strokes over 300 mm, be mindful of side loads; the 40 mm rod can experience bending moments if the load is not guided externally. Consider pairing this cylinder with an external guide rail or rod-alignment coupler to protect the rod bearing and seals.
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 SC160X370 FAQ
At 0.7 MPa operating pressure, the theoretical push force is 14074 N. The pull force on the retract stroke is 9425 N at 0.5 MPa, due to the area reduction from the 40 mm rod.
No, the SC160X370 is a standard double-acting cylinder and will not hold its position if air pressure is exhausted or the directional valve is centered. The adjustable air cushion only decelerates the piston at stroke end to reduce impact. For load holding without live pressure, you must add a pilot-operated check valve or an external rod lock.
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