Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S
The AirTAC Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1
- Acting typeDouble acting, adjustable stroke
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S
Delivering massive thrust with a 24543 N push at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder handles heavy industrial tasks. The four steel tie rods clamp the aluminum barrel securely to the covers, while the G1 air port feeds the 50 mm piston rod. A built-in magnet supports CMSG, DMSG, and EMSG sensors for precise position detection.
An external adjuster allows you to shorten the extend stroke on-site by up to 75 mm, giving a usable range of 825 to 900 mm without changing the cylinder itself. This on-site tuning is invaluable for dialing in final end positions. The unit yields a safe working load of roughly 14726 N, easily lifting about 1251 kg vertically with a 2:1 margin. Note that TPU seals are unavailable for this 250 mm bore, though a Viton H option extends operating temperatures from 0 to 150 C.
Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S Technical Specifications
| Model | Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 900 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 SGCJ250X900-75S
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 250 | 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 SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S Is Used
Heavy Pallet Lifting
Lifts loaded pallets weighing up to 1251 kg vertically with a 2:1 safety margin, using the 75 mm adjuster to fine-tune the exact raise height on-site.
Press End Tuning
Provides 24543 N of raw push force for light pressing tasks, allowing operators to dial in the 825 to 900 mm extend position to match varying material thicknesses.
Automated Storage Retrieval
Moves heavy storage trays with a maximum theoretical force of 5006 kgf, relying on the G1 port and 60 mm cushions to decelerate massive loads smoothly.
Is the Airtac SGCJ200-250 Adjustable Cylinder SGCJ250X900-75S the Right Cylinder?
When sizing this unit against neighboring bores, the 200 mm bore provides 15708 N of push at 0.5 MPa, while this 250 mm bore tops out at 24543 N at the same pressure. The adjustable stroke feature is ideal when you need to standardize a shared spare across multiple stroke variants or fine-tune the end position on-site. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2 brackets. Because the stroke is 900 mm, you must use external guides to prevent rod bending and manage side loads. The included -S magnet enables CMSG, DMSG, and EMSG sensor switches.
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 SGCJ250X900-75S FAQ
At 0.5 MPa it provides 24543 N of push and 23562 N of pull. At 0.7 MPa the push is 34360 N and the pull is 32986 N. The theoretical maximum force is 5006 kgf at 1.0 MPa. It features a 250 mm bore, a 50 mm rod with an M42x2.0 thread, a G1 air port, and 60 mm adjustable air cushions at both ends.
The external stop screw shortens the extend stroke by up to 75 mm on-site, giving a usable extend range of 825 to 900 mm from the 900 mm nominal maximum, while the retract end remains fixed. The cushion only decelerates the piston near the stroke end and does not hold the load; for load holding on air loss, use an external rod lock or a pilot-operated check valve.
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