Airtac SGC Standard Cylinder SGC250X500S
The AirTAC Airtac SGC Standard Cylinder SGC250X500S is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 500mm 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
- Stroke500 mm
- Port sizeG1
- Acting typeDouble acting
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGC Standard Cylinder SGC250X500S
Delivering 24543 N of push force at 0.5 MPa, this double-acting tie-rod cylinder is built for heavy-duty automation. The SGC250X500S features a 250 mm bore, a 500 mm stroke, and a G1 air port. Four steel tie rods clamp the aluminum barrel to the covers for high rigidity under large-bore thrust, while the two-way piston seal maintains an internal oil reservoir for long service life. Because this is a 250 mm bore size, TPU seals are not available; the front-cover packing and buffer gasket utilize NBR instead, with a Viton H option for 0-150 C high-temperature environments.
The built-in piston magnet (-S) directly supports CMSG, DMSG, and EMSG position switches. Dimensionally interchangeable per the ISO 15552 mounting interface, it drops seamlessly into existing large-bore fixtures. For practical sizing, plan for about 14726 N of real work at 0.5 MPa, which equates to lifting roughly 1251 kg vertically with a 2:1 safety margin.
Airtac SGC Standard Cylinder SGC250X500S Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC250X500S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 500 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 SGC250X500S
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×500 | 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 SGC250X500S Is Used
Stamping Press Feed
Pushes heavy coil stock into a large mechanical press, utilizing the 24543 N push force at 0.5 MPa to overcome material friction.
Pallet Lift Station
Raises loaded industrial pallets via the 500 mm stroke, with the -S magnet triggering DMSG sensors to confirm vertical positioning.
Injection Mold Clamp
Secures large injection molding tooling halves, relying on the rigid four-tie-rod construction to withstand high clamping reactions.
Is the Airtac SGC Standard Cylinder SGC250X500S the Right Cylinder?
When sizing this 500 mm stroke actuator, consider the neighboring bores: the 200 mm class provides 15708 N push at 0.5 MPa, while the 250 mm bore shown here delivers 24543 N. As this is the largest standard SGC bore, exceeding its capacity requires parallel manifolds. Because the 500 mm stroke is substantial, external guide rails are strongly recommended to prevent rod bending and absorb side loads. The air cushion at both ends only decelerates the piston near stroke end; it does not function as a lock. If the load must be held vertically on air loss or valve centering, install an external rod lock or pilot-operated check valve to prevent drift.
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 SGC250X500S FAQ
This 250 mm bore cylinder features a G1 air port and an M42x2.0 rod thread. It delivers 24543 N push and 23562 N pull at 0.5 MPa, 34360 N push and 32986 N pull at 0.7 MPa, with a theoretical maximum force of 5006 kgf at 1.0 MPa.
Yes, it is dimensionally interchangeable per the ISO 15552 mounting interface, accepting standard LB foot, FA flange, and TC trunnion attachments. The included -S magnet enables CMSG, DMSG, and EMSG reed or electronic switches for end-of-stroke detection.
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