Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 130mm 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
- Stroke130 mm
- Port sizeG1/2
- Acting typeDouble acting, adjustable stroke
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S
Delivering 6136 N of push force at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder uses four steel rods to clamp its aluminium barrel for high rigidity. The G1/2 port and M27x2.0 rod thread equip the 125 mm bore for heavy-duty actuation, while the two-way piston seal ensures reliable pressure containment.
An external stop screw lets you shorten the extend stroke on-site by up to 75 mm, dropping the usable extension from the 130 mm maximum down to 55 mm without changing the cylinder itself. The retract end remains fixed. This -S variant includes a piston magnet for CMSG/DMSG/EMSG sensors, and the Viton H seal option extends operating temperatures up to 150 C. It handles a safe working load of about 3682 N, which translates to lifting roughly 313 kg vertically with a 2:1 margin.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 130 mm |
| Acting type | Double acting, adjustable stroke |
| 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 SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×130 | 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 SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S Is Used
Press Stroke Tuning
Fine-tune the extend end position on-site within the 75 mm window to accommodate different material thicknesses in a light-duty stamping or clamping press.
Divertor Arm Adjustment
Adjust the extend stroke from 130 mm down to 55 mm to alter the reach of a sorting divertor arm without physically replacing the cylinder.
Pallet Stop Positioning
Set the exact stopping point for varying pallet sizes on a heavy-duty conveyor line by turning the external stop screw to shorten the extension.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S the Right Cylinder?
When sizing this unit, the 125 mm bore sits at the lower end of the SGCJ range, producing 6136 N push and 5734 N pull at 0.5 MPa. If your application needs less force, step down to a smaller standard cylinder; if you require significantly more thrust, the 160 mm bore provides 10053 N push at the same pressure. The 75 mm adjustable window is ideal for sharing a single spare across multiple stroke variants or fine-tuning the end position during machine commissioning. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2 brackets. Because the -S magnet is present, you can fit CMSG, DMSG, or EMSG switches directly. For any stroke length approaching 500 mm or beyond, always use external guide rails to prevent side-load damage to the rod.
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 SGCJ125~160 Adjustable Cylinder SGCJ125X130-75S FAQ
This 125 mm bore cylinder features a G1/2 port and generates 6136 N push and 5734 N pull at 0.5 MPa. At 0.7 MPa, the forces increase to 8590 N push and 8028 N pull. The theoretical maximum force is 1251 kgf at 1.0 MPa.
The 130 mm nominal stroke is the maximum extension. The external adjuster lets you shorten the extend stroke on-site by up to 75 mm, providing a usable extend range of 55 to 130 mm. The retract end is fixed, and the stop screw only sets the end position; it does not lock the load.
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