Airtac SGC Standard Cylinder SGC125X1150STC
The AirTAC Airtac SGC Standard Cylinder SGC125X1150STC is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 1150mm 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
- Stroke1150 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGC Standard Cylinder SGC125X1150STC
Delivering 6136 N of push force at 0.5 MPa, this double-acting large-bore ISO 15552 tie-rod cylinder handles long 1150 mm strokes. Four steel tie rods clamp the aluminium barrel to the covers for high rigidity, while the two-way piston seal maintains an internal oil reservoir for extended lifespan. The included piston magnet enables CMSG, DMSG and EMSG switches for position sensing.
With a 125 mm bore, the unit uses a G1/2 air port and a 32 mm rod with an M27x2.0 thread. For practical sizing, 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 adjustable 40 mm air cushions at both ends decelerate the piston smoothly, and the default TPU seals handle temperatures from -20 to +70 C.
Airtac SGC Standard Cylinder SGC125X1150STC Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X1150STC |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 1150 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 SGC125X1150STC
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×1150 | 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 SGC125X1150STC Is Used
Long-Press Ejection
Pushes finished parts out of a 1-meter deep hydraulic press bed, utilizing the 1150 mm stroke to clear the tooling entirely before the conveyor engages.
High-Bay Transfer
Extends 1150 mm to shuttle heavy pallets from a multi-level storage rack, relying on the 6136 N push force to overcome guide friction.
Automated Waste Compaction
Crushes industrial packaging scrap in a horizontal baler, using the full stroke to compress material against the end plate before baling.
Is the Airtac SGC Standard Cylinder SGC125X1150STC the Right Cylinder?
This 125 mm bore provides 6136 N push at 0.5 MPa; if less force is needed there is no smaller SGC bore, but stepping up to the 160 mm bore yields 10053 N. The TC trunnion mount suits pivoting loads, and the -S magnet allows sensor integration. Because the stroke is 1150 mm, external guide rails are strongly recommended to prevent rod bending and excessive side loading. Remember that a plain cylinder drifts when air is lost—the air cushion only decelerates near stroke end, so add an external rod lock or pilot-operated check valve if you must hold a suspended load.
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 SGC125X1150STC FAQ
At 0.5 MPa it provides 6136 N push and 5734 N pull. At 0.7 MPa it provides 8590 N push and 8028 N pull. The theoretical maximum force is 1251 kgf at 1.0 MPa. The air port size is G1/2.
Yes, it is dimensionally interchangeable per the ISO 15552 mounting interface, allowing standard TC trunnion, foot, flange and clevis accessories. The -S magnet allows CMSG, DMSG and EMSG switches to be fitted for position detection.
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Covers non-human-caused product damage.
Made to Order
Large-bore cylinders built to order — confirm lead time.
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