Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-40
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-40 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 SGCJ125X150-40
Delivering 6136 N of push force at 0.5 MPa, this large-bore tie-rod actuator handles about 3682 N of real work, which means roughly 313 kg lifted vertically with a 2:1 margin. Four steel tie rods clamp the aluminium barrel to the covers for high structural rigidity, and the body is dimensionally interchangeable per the ISO 15552 mounting interface. It uses a G1/2 port and an M27x2.0 rod thread.
The external adjuster lets you shorten the extend stroke on-site by up to 40 mm, giving a usable forward range of 110-150 mm while the retract end stays fixed. You can fine-tune the end position without physically changing the cylinder. The standard TPU seals offer long life, though a Viton H option extends the temperature range to 0-150 C. Note this non-magnetic SKU cannot take a sensor; adding the -S variant enables CMSG/DMSG/EMSG switches.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-40 Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-40 |
|---|---|
| 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 SGCJ125X150-40
| 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 SGCJ125X150-40 Is Used
Press Fit Tuning
Dial in the exact 110-150 mm insertion depth for bearing presses without swapping the actuator, using the 40 mm external adjuster to hit the precise seat.
Divertor Stroke Trim
Adjust the extend endpoint on-site to match varying package widths on a sorting line, ensuring the 6136 N push force redirects loads accurately.
Stacker Height Calibration
Fine-tune the lift height of a palletizing stop within the 40 mm window to accommodate different pallet thicknesses without re-plumbing the G1/2 air supply.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-40 the Right Cylinder?
Size this 125 mm bore against the 160 mm option, which jumps to 10053 N push at 0.5 MPa, or step down if lower force is acceptable. The adjustable stroke is ideal for sharing a single spare across multiple stroke variants or finalizing end positions during machine commissioning. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. Because this unit lacks the -S magnet, it cannot support position sensing. Always guide the rod end to prevent side loading, especially at strokes of 500 mm or more.
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 SGCJ125X150-40 FAQ
At 0.5 MPa it provides 6136 N push and 5734 N pull. At 0.7 MPa it yields 8590 N push and 8028 N pull. The theoretical maximum is 1251 kgf at 1.0 MPa. This 125 mm bore cylinder uses a G1/2 port.
The nominal 150 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke by up to 40 mm on-site, giving a usable range of 110-150 mm. The retract end is fixed. This mechanism sets the end position and is not a load lock; use an external rod lock or pilot-operated check valve to hold a load.
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