Airtac SGC Standard Cylinder SGC250X550S
The AirTAC Airtac SGC Standard Cylinder SGC250X550S is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 550mm stroke, G1 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.
- BoreØ250 mm
- Stroke550 mm
- Port sizeG1
- Acting typeDouble acting
- Rod threadM42×2.0
- CushionAdjustable, 60 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 SGC250X550S
Delivering massive thrust for heavy industrial automation, this double-acting ISO 15552 tie-rod cylinder pushes with 24543 N and pulls with 23562 N at 0.5 MPa. Four steel tie rods clamp the aluminum barrel to the covers for extreme structural rigidity, while the two-way piston seal maintains an internal oil reservoir for continuous lubrication. Plan for roughly 14726 N of real work at 0.5 MPa, which safely lifts about 1251 kg vertically with a 2:1 margin.
Because this is a Ø250 bore, TPU seals are not offered; instead, the front-cover packing and buffer gasket utilize NBR (with a Viton H high-temperature option for 0-150 C environments). The included -S piston magnet enables CMSG, DMSG, and EMSG position switches. It features a Ø50 mm rod, an M42x2.0 rod-end thread, a G1 air port, and 60 mm adjustable air cushions at both ends to tame kinetic energy.
Airtac SGC Standard Cylinder SGC250X550S Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC250X550S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 550 mm |
| Acting type | Double acting |
| Port size | G1 |
| Rod thread | M42×2.0 |
| 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, 60 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 (Ø250mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 24544 N | 23562 N |
| 0.7 MPa | 34361 N | — |
| Max (@1.0 MPa) | 5006 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 SGC250X550S
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×550 | 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 SGC250X550S Is Used
Heavy Stamping Press
Drives large dies and platens in metal forming lines, using the 34360 N push force at 0.7 MPa to shape thick steel blanks reliably.
Pallet Dispenser
Lifts and stacks heavy wooden pallets in automated high-bay warehouses, utilizing the 1251 kg vertical lift capacity safely.
Injection Mold Ejection
Ejects massive molded plastic automotive bumpers from heavy machinery, relying on the 60 mm cushions to absorb end-of-stroke impact.
Is the Airtac SGC Standard Cylinder SGC250X550S the Right Cylinder?
As the largest bore in the SGC family, there is no larger standard size to step up to if the 24543 N push at 0.5 MPa proves insufficient. If your application requires less force, stepping down to the Ø200 bore drops the push force to 15708 N at 0.5 MPa. For this 550 mm stroke, the extended 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 air cushions only decelerate the piston near the stroke ends and do not function as a brake. If the load must remain suspended or held in place when air pressure drops or the valve is centered, you must integrate an external rod lock or a pilot-operated check valve to prevent dangerous 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 SGC250X550S FAQ
At 0.5 MPa, the push force is 24543 N and the pull force is 23562 N. At 0.7 MPa, push is 34360 N and pull is 32986 N. The theoretical maximum force is 5006 kgf at 1.0 MPa. This model uses a G1 air port, a Ø50 mm piston rod, and an M42x2.0 rod-end thread.
Yes, it is dimensionally interchangeable per the ISO 15552 mounting interface, meaning it drops directly into standard large-bore ISO 15552 fixtures and mounting brackets. Additionally, the -S suffix indicates a built-in piston magnet, allowing you to mount CMSG, DMSG, or EMSG electronic or reed switches along the barrel for position detection.
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1-Year Warranty
Covers non-human-caused product damage.
Made to Order
Large-bore cylinders built to order — confirm lead time.
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Most inquiries answered within 7-8 hours.
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