Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-20S
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-20S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 150mm 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
- Stroke150 mm
- Port sizeG1/2
- Acting typeDouble acting, adjustable stroke
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-20S
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 aluminum barrel for high rigidity. The built-in piston magnet supports CMSG, DMSG and EMSG sensors for precise position detection, while the G1/2 port handles the 30-500 mm/s speed range.
The -20 code means an external adjuster can shorten the extend stroke on site by up to 20 mm, giving a usable range of 130-150 mm without changing the mount. This on-site tuning lets you fine-tune the end position and share spares across stroke variants. It handles a safe working load of about 3682 N, lifting roughly 313 kg vertically with a 2:1 margin. A two-way piston seal ensures reliable operation, and Viton H seals can raise the ambient limit to 150 C.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-20S Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-20S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 150 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 SGCJ125X150-20S
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×150 | 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 SGCJ125X150-20S Is Used
Press Fit Tuning
Dial in the exact 130-150 mm extend position on site to seat bearings without bottoming out the tooling.
Divert Stop Adjustment
Fine-tune the stop length by up to 20 mm to handle varying package sizes on a shared line.
Pallet Positioning
Use the magnetic feedback and adjustable stroke to set precise pallet halt points before wrapping.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-20S the Right Cylinder?
This 125 mm bore sits at the low edge of the SGCJ range, offering 6136 N push at 0.5 MPa; step up to the 160 mm bore for 10053 N if your payload grows. The 20 mm adjustable window is ideal for dialing in exact end positions on shared fixtures. Mounting options include FA, LB, TC, FTC, TCM1 and TCM2 brackets. The -S suffix confirms the magnet is present for CMSG/DMSG/EMSG switches. For any stroke over 500 mm, use a guide rail to prevent side-load damage.
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 SGCJ125X150-20S FAQ
At 0.5 MPa it pushes 6136 N and pulls 5734 N. At 0.7 MPa it pushes 8590 N and pulls 8028 N. The theoretical max is 1251 kgf at 1.0 MPa. It uses a G1/2 port.
The external adjuster shortens the extend stroke by up to 20 mm on site, giving a usable extend range of 130-150 mm. The nominal 150 mm stroke is the maximum, and the retract end is fixed. This mechanism sets the end position but does not lock the load.
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