Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X75-75
The AirTAC Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X75-75 is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1
- Acting typeDouble acting, adjustable stroke
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X75-75
Delivering massive thrust in a compact footprint, this large-bore ISO 15552 tie-rod cylinder pushes with 24543 N and pulls with 23562 N at 0.5 MPa. The four steel tie rods clamp the aluminum barrel to the covers, providing structural rigidity for heavy-duty cycles. It features a G1 air port, an M42x2.0 rod thread, and 60 mm adjustable air cushions at both ends.
The -75 code defines an external adjuster that shortens the extend stroke on-site by up to 75 mm from the 75 mm nominal maximum, letting you fine-tune the end position without remounting hardware. This non-magnet SKU cannot take a sensor; adding the -S variant enables CMSG/DMSG/EMSG switches. Because TPU is unavailable on this 250 mm bore, it uses NBR seals, with a Viton H option for 0-150 C heat. It handles a safe working load of about 14726 N, translating to roughly 1251 kg lifted vertically with a 2:1 margin.
Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X75-75 Technical Specifications
| Model | Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X75-75 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 75 mm |
| Acting type | Double acting, adjustable stroke |
| 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 SGCJ200-250 Adjustable Cylinder SGCJ250X75-75
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×75 | 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 SGCJ200-250 Adjustable Cylinder SGCJ250X75-75 Is Used
Press End-Stop Tuning
Dial in the exact bottom dead center of a heavy stamping press on-site using the 75 mm extend-shortening window without changing the fixture.
Heavy Pallet Halting
Leverage the 24543 N push force to stop loaded pallets, adjusting the contact point precisely via the external stop screw.
Stamp Positioning
Set precise lower endpoints for massive stamping operations, using the adjustable stroke to compensate for material thickness variations.
Is the Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X75-75 the Right Cylinder?
When sizing this unit, the 250 mm bore sits at the top edge of the SGCJ range, delivering 24543 N push at 0.5 MPa; stepping down to a 200 mm bore drops that to 15708 N. The adjustable stroke is invaluable for sharing one spare cylinder across multiple stroke variants or dialing in exact end stops on-site. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2 brackets. Since this is a non-magnet model, it cannot accept position sensors without specifying the -S version. Even at this short 75 mm stroke, guide the load externally to prevent side-load wear on the rod seals.
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 SGCJ200-250 Adjustable Cylinder SGCJ250X75-75 FAQ
This 250 mm bore cylinder features a G1 air port. It generates 24543 N push and 23562 N pull at 0.5 MPa, 34360 N push and 32986 N pull at 0.7 MPa, and a theoretical maximum of 5006 kgf at 1.0 MPa.
The external adjuster lets you shorten the extend stroke on-site by up to 75 mm from the 75 mm nominal maximum. The retract end remains fixed. This mechanism only sets the end position; it does not lock the load, so use an external rod lock or pilot-operated check valve for load holding.
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