Airtac SGC Standard Cylinder SGC125X150S
The AirTAC Airtac SGC Standard Cylinder SGC125X150S is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 150mm stroke, G1/2 air ports and adjustable end cushioning. Its large-bore tie-rod build delivers high thrust and drops into standardized ISO 15552 mounting on heavy automation.
- BoreØ125 mm
- Stroke150 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGC Standard Cylinder SGC125X150S
Generating 6136 N of push force at 0.5 MPa, this double-acting large-bore cylinder brings serious power to automated lines. The SGC125X150S is built around a genuine ISO 15552 mounting interface, meaning it drops directly into existing large-bore fixtures without custom bracketry. Four steel tie rods clamp the aluminum barrel to the covers, providing the structural rigidity needed to handle high thrust without flexing.
In practical terms, plan for about 3682 N of real work at 0.5 MPa, which equates to lifting roughly 313 kg vertically with a 2:1 safety margin. The integrated -S piston magnet allows seamless fitting of CMSG, DMSG, or EMSG switches for end-of-stroke detection. Fluid is filtered air, operating pressure spans 0.15-1.0 MPa, and the G1/2 port matches the 125 mm bore standard.
Airtac SGC Standard Cylinder SGC125X150S Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X150S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2.0 |
| 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, 40 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SGC datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Thread options: PT (blank) / G. TPU seals are not available for the Ø250 bore (NBR / Viton only).
Theoretical Output Force (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SGC Standard Cylinder SGC125X150S
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×150 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
SGC-family variants: SGC (double acting), SGCD (double rod), SGCJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / FTC / TCM1 / TCM2. Seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SGC Standard Cylinder SGC125X150S Is Used
Press Fit Assembly
Drives bearings into heavy housings on automotive production lines using its 6136 N push force at 0.5 MPa.
Pallet Stopper Gate
Acts as a heavy-duty pneumatic stop gate for loaded pallets, absorbing kinetic energy with its 40 mm adjustable air cushion.
Carton Flap Folder
Folds large corrugated carton flaps in high-speed packaging facilities, relying on the -S magnet for timing confirmation.
Is the Airtac SGC Standard Cylinder SGC125X150S the Right Cylinder?
When sizing this 125 mm bore actuator, compare it against its neighbors: step down to a smaller bore if your load is lighter, or step up if you need more force. If you ever move to the 160 mm bore, it yields 10053 N of push at 0.5 MPa. This 150 mm stroke is well within standard limits, but for any application exceeding 500 mm you should add external guide rails to prevent rod bending under side loads. Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG, or EMSG sensors. Remember that standard air cushions only decelerate the piston near the stroke ends; they do not function as a brake. If your application must hold a vertical load when air pressure drops, install an external rod lock or a pilot-operated check valve to prevent drifting.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Long-stroke side load — support the rod end
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; support long strokes at the rod end.
- check Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/CR/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SGC Standard Cylinder SGC125X150S FAQ
This 125 mm bore cylinder features a G1/2 air port and an M27x2.0 rod thread. It delivers 6136 N push and 5734 N pull at 0.5 MPa, 8590 N push and 8028 N pull at 0.7 MPa, with a theoretical maximum force of 1251 kgf at 1.0 MPa.
Yes, the SGC series is dimensionally interchangeable per the ISO 15552 (original ISO 6431) mounting interface. Its four steel tie rods add rigidity, and the -S magnet allows you to attach CMSG, DMSG, or EMSG switches for position sensing.
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