Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X125-100
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X125-100 is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 125mm 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
- Stroke125 mm
- Port sizeG1/2
- Acting typeDouble acting, adjustable stroke
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X125-100
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 feeds the 32 mm rod, and a two-way piston seal ensures reliable operation across the 30-500 mm/s speed range.
The -100 code means an external adjuster can shorten the extend stroke on-site by up to 100 mm, letting you fine-tune the end position from 25 to 125 mm without swapping the cylinder. It handles a safe working load of about 3682 N, which translates to lifting roughly 313 kg vertically with a 2:1 margin. You can specify a Viton H seal to push the operating temperature up to 150 C.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X125-100 Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X125-100 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 125 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 SGCJ125X125-100
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×125 | 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 SGCJ125X125-100 Is Used
Press Tonnage Tuning
Dial in the exact 25 to 125 mm extend position on a light-duty stamping press without machining new spacers.
Divert Gate Adjustment
Shift a heavy package divert gate end-point on-site to accommodate different carton lengths on the fly.
Pallet Stop Calibration
Set a precise 100 mm short-stroke stop for varying pallet footprints while retaining the full 125 mm maximum travel.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X125-100 the Right Cylinder?
This 125 mm bore sits at the low edge of the SGCJ range, stepping up from smaller units to provide 6136 N push at 0.5 MPa; moving to a 160 mm bore yields 10053 N. The adjustable stroke is ideal when you need to share one spare across multiple stroke variants or fine-tune machine setup on-site. Mounting options include FA, LB, TC, FTC, TCM1 and TCM2. Because this SKU lacks the -S suffix, it cannot take a magnetic sensor; order the -S version if you need CMSG, DMSG or 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 SGCJ125X125-100 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 force is 1251 kgf at 1.0 MPa. This 125 mm bore cylinder uses a G1/2 air port and a 32 mm rod with an M27x2.0 thread.
The nominal 125 mm stroke is the maximum travel. An external stop screw lets you shorten the extend stroke by up to 100 mm on-site, giving a usable extend range of 25 to 125 mm. The retract end is fixed. This mechanism sets the end position but does not hold the load; for load holding on air loss, use an external rod lock or pilot-operated check valve.
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