Airtac SGC Standard Cylinder SGC125X180STC
The AirTAC Airtac SGC Standard Cylinder SGC125X180STC is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 180mm 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
- Stroke180 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGC Standard Cylinder SGC125X180STC
Generating 6136 N of push force at 0.5 MPa, this double-acting ISO 15552 tie-rod cylinder handles heavy-duty automation with ease. Four steel tie rods clamp the aluminum barrel to the covers for high rigidity, while the two-way piston seal maintains an internal oil reservoir for long service life. Because of its standardized ISO 15552 mounting interface, it drops directly into existing large-bore fixtures.
Equipped with a built-in piston magnet (-S), it supports CMSG, DMSG, and EMSG switches for position sensing. The 125 mm bore features a G1/2 port and a 32 mm rod. Plan for about 3682 N of real work at 0.5 MPa, which means it lifts about 313 kg vertically with a 2:1 safety margin.
Airtac SGC Standard Cylinder SGC125X180STC Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X180STC |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 180 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 SGC125X180STC
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×180 | 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 SGC125X180STC Is Used
Press Fit Assembly
Drives bearings into heavy housings on an automated press line, utilizing the 6136 N push force at 0.5 MPa to seat components accurately.
Pallet Lift Station
Raises loaded pallets vertically, safely lifting around 313 kg with a 2:1 safety margin while using the TC trunnion mount for smooth pivoting action.
Material Clamping
Secures large steel plates during machining operations, relying on the rigid four-tie-rod construction to withstand high impact loads without flexing.
Is the Airtac SGC Standard Cylinder SGC125X180STC the Right Cylinder?
If 6136 N at 0.5 MPa is too much force, stepping down is not an option within the SGC family as 125 mm is the smallest available bore. If your application requires more power, the 160 mm bore provides 10053 N at 0.5 MPa. The included TC trunnion mount allows pivoting, but remember a plain cylinder drifts when air is lost or the valve is centered; use an external rod lock or pilot-operated check valve for secure load holding. At 180 mm stroke, side loading is minimal, but maintaining proper guide alignment prevents premature seal wear.
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 SGC125X180STC FAQ
This 125 mm bore cylinder features a G1/2 port and delivers a push force of 6136 N and a pull force of 5734 N at 0.5 MPa. At 0.7 MPa, push is 8590 N and pull is 8028 N. The theoretical maximum force is 1251 kgf at 1.0 MPa.
No, the air cushion only decelerates the piston near the stroke end and does not act as a brake. If air is lost or the valve is centered, the piston will drift. You must use an external rod lock or a pilot-operated check valve to hold a load securely.
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