Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-30S
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-30S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 175mm 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
- Stroke175 mm
- Port sizeG1/2
- Acting typeDouble acting, adjustable stroke
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-30S
Delivering 6136 N of push force at 0.5 MPa, this ISO 15552 tie-rod cylinder brings four steel rods and an external adjuster to large-bore pneumatic setups. The built-in piston magnet supports CMSG, DMSG, and EMSG switches for precise position detection, while the G1/2 port matches the 125 mm bore standard. It handles a safe working load of roughly 3682 N, which translates to lifting about 313 kg vertically with a 2:1 margin.
The -30 code means the extend stroke can be shortened on site by up to 30 mm, giving a usable range of 145 to 175 mm without changing the cylinder itself. You can fine-tune the end position via the external stop screw, though the retract end remains fixed. This design uses a two-way piston seal for durability, and you can swap the default TPU seals for Viton H to handle temperatures up to 150 C.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-30S Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-30S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 175 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 SGCJ125X175-30S
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×175 | 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 SGCJ125X175-30S Is Used
Press Fit Tuning
Fine-tune the 145 to 175 mm extend position on site to set precise insertion depth for bearing press operations without swapping cylinders.
Divertor Gate Stop
Adjust the extend stop in 30 mm increments to accommodate different package sizes on a sorting line while maintaining consistent stopping force.
Pallet Positioning
Use the magnetic sensing and adjustable end-stop to dial in the exact push-off distance for various pallet widths at a packaging station.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-30S the Right Cylinder?
When sizing this 125 mm bore against its neighbors, the 160 mm bore offers 10053 N of push at 0.5 MPa for heavier demands, while smaller bores suit lighter loads. The adjustable stroke is ideal for sharing a single spare cylinder across multiple stroke variants or fine-tuning the end position on site. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2 brackets. The -S suffix confirms the magnet is present for sensors. For any stroke over 500 mm, always use a guide rail 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 SGCJ125X175-30S FAQ
At 0.5 MPa it provides 6136 N push and 5734 N pull. At 0.7 MPa it provides 8590 N push and 8028 N pull. The theoretical maximum force is 1251 kgf at 1.0 MPa. This 125 mm bore model uses a G1/2 air port.
The nominal 175 mm stroke is the maximum. The external adjuster lets you shorten the extend stroke by up to 30 mm on site, giving a usable extend range of 145 to 175 mm. The retract end is fixed. Note that a plain cylinder does not hold load on air loss; use an external rod lock or pilot-operated check valve for load holding.
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