Airtac SGC Standard Cylinder SGC125X900S
The AirTAC Airtac SGC Standard Cylinder SGC125X900S is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SGC Standard Cylinder SGC125X900S
Delivering 6136 N of push force at 0.5 MPa, this double-acting ISO 15552 tie-rod cylinder handles demanding large-bore tasks across its 900 mm travel. Four steel tie rods clamp the aluminium barrel to the covers for high structural rigidity, while the two-way piston seal maintains an internal oil reservoir to maximize service life. The G1/2 port and M27x2.0 rod thread match the standard 125 mm bore specification.
Because the code includes an -S suffix, a built-in piston magnet is fitted for CMSG, DMSG, or EMSG position switches. 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 TPU seal handles -20 to +70 C, though a Viton H option extends this to 0-150 C.
Airtac SGC Standard Cylinder SGC125X900S Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X900S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 900 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 SGC125X900S
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×900 | 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 SGC125X900S Is Used
Pallet Transfer Pusher
Ejects heavy loaded pallets from a main conveyor line over 900 mm, utilizing the 6136 N thrust to overcome friction without stalling.
Vertical Lift Gate
Actuates a 900 mm security or sorting gate in a distribution hub, safely moving structures weighing up to 313 kg with a 2:1 margin.
Press Ejection
Clears large stamped metal parts from a hydraulic press bed, relying on the rigid tie-rod construction to maintain alignment during the 900 mm ejection stroke.
Is the Airtac SGC Standard Cylinder SGC125X900S the Right Cylinder?
This 125 mm bore sits at the lower end of the SGC family; if less thrust is needed, a smaller non-SGC series would be required, but stepping up to the 160 mm bore yields 10053 N of push at 0.5 MPa. Remember that a standard cylinder drifts if air pressure drops or the valve is centred—the adjustable air cushion only decelerates the piston near stroke end and will not hold a load, so specify an external rod lock or pilot-operated check valve for vertical safety.
At 900 mm of travel, the Ø32 mm rod is highly susceptible to bending under side loads. Always use an external guide or stopper to prevent rod-end deflection and premature seal wear. The included -S magnet allows seamless sensor integration.
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 SGC125X900S FAQ
The 125 mm bore provides 6136 N push and 5734 N pull at 0.5 MPa, or 8590 N push and 8028 N pull at 0.7 MPa. The theoretical maximum force is 1251 kgf at 1.0 MPa. It uses a G1/2 air port and a 32 mm piston rod.
Yes, it is dimensionally interchangeable per the ISO 15552 mounting interface, so it drops directly into existing large-bore fixtures. You can use standard LB foot, FA flange, or TC trunnion mounts, and the -S magnet supports CMSG/DMSG/EMSG sensors.
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