Airtac AIRTAC SC125-160 Standard Cylinder SC160X350SH
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X350SH is a genuine double-acting standard air cylinder with a Ø160mm bore and 350mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke350 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X350SH
The SC160X350SH is a heavy-duty double-acting pneumatic cylinder delivering 10053 N of push force at 0.5 MPa and up to 18095 N at the maximum operating pressure of 0.9 MPa. With a 350 mm stroke and a 40 mm diameter piston rod, it is built for demanding industrial tasks requiring high force over a medium travel distance. The adjustable air cushion (29 mm) decelerates the piston smoothly at end-of-stroke, reducing impact and vibration.
This model is equipped with Viton (FKM) seals, indicated by the 'H' suffix, extending the operating temperature range to 0–150°C and providing excellent resistance to aggressive chemicals and high-temperature environments. As a genuine AirTAC SC tie-rod cylinder, it offers a robust, serviceable design with a body length (A) of 239 mm, making it shorter than a typical ISO 15552 cylinder of the same bore.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X350SH Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X350SH |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 350 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 SC160X350SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×350 | 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 SC160X350SH Is Used
High-Temperature Foundry Actuation
Viton seals allow this cylinder to operate reliably in ambient temperatures up to 150°C, making it ideal for clamping, ejecting, or positioning molds and cores in foundries and die-casting machines.
Heavy Pressing & Forming
With 18095 N of force at 0.9 MPa, the SC160X350SH excels in hydraulic-to-pneumatic conversions for medium-duty pressing, riveting, and forming operations where a 350 mm stroke is needed.
Autoclave & Sterilization Equipment
The FKM seal material withstands repeated steam sterilization cycles. Use this cylinder to actuate doors, valves, or lifts in autoclaves and clean-in-place (CIP) systems requiring high force.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X350SH the Right Cylinder?
Select the SC160 bore when your application requires a push force between approximately 6.2 kN and 18.1 kN. For a step down in force, the SC125 bore provides 6136 N at 0.5 MPa; for a step up, the SC200 bore delivers 15708 N at 0.5 MPa. This cylinder has a 350 mm stroke, which requires careful management of side loads. The 40 mm rod is strong, but for strokes of 300 mm or more, external guides or a guided cylinder are recommended to prevent rod bearing damage from bending moments.
To ensure a direct physical replacement, match these five points: 160 mm bore, 350 mm stroke, PT port thread, basic mounting (no bracket), and the absence of a built-in magnet. The Viton seals are a critical upgrade for high-temperature compatibility, so a replacement must also have the 'H' seal designation.
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 SC160X350SH 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 force at 1.0 MPa is 2050 kgf.
No. The SC160X350SH is a double-acting cylinder and will not hold its position if air pressure is lost or the directional valve is centered. The piston will drift or drop under load. For static load holding without live pressure, you must add an external rod lock, a mechanical brake, or a pilot-operated check valve.
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