Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-50
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-50 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 SGCJ125X175-50
Delivering 6136 N of push force at 0.5 MPa, this ISO 15552 tie-rod cylinder handles about 3682 N of safe working load, lifting roughly 313 kg vertically with a 2:1 margin. Four steel tie rods clamp the aluminum barrel to the covers, while the ISO 15552 mounting interface ensures dimensional interchangeability for large-bore fixtures. The G1/2 port and M27x2.0 rod thread match the 125 mm bore standard.
The -50 code provides an external adjuster that shortens the extend stroke on-site by up to 50 mm, yielding a usable range of 125-175 mm without changing the cylinder body. Nominal stroke is the maximum and the retract end remains fixed. Adjustable 40 mm air cushions decelerate the piston at both ends, but this plain non-magnetic SKU cannot take a sensor; the -S variant is required for CMSG/DMSG/EMSG switches.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-50 Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-50 |
|---|---|
| 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 SGCJ125X175-50
| 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 SGCJ125X175-50 Is Used
Press Fit Tuning
Dial in the exact 125-175 mm extend position on-site to seat bearings without swapping physical spacers.
Divertor Gate Stop
Adjust the 50 mm extend window to alter the gate reach for different package widths on the fly.
Pallet End Stop
Shift the extend stroke by up to 50 mm to accommodate varying pallet depths while using the fixed retract end.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-50 the Right Cylinder?
Size both ways against the 125 mm bore: dropping to a smaller bore loses too much thrust, while stepping up to 160 mm increases push force to 10053 N at 0.5 MPa. The 50 mm extend-shortening window is ideal for fine-tuning end positions on-site and lets you share one spare across multiple stroke variants. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. Since this is a non-magnet SKU without the -S suffix, it cannot accept position sensors. For any stroke over 500 mm, always use a guide rail to prevent side-load wear.
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 SGCJ125X175-50 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 max force is 1251 kgf at 1.0 MPa. The 125 mm bore uses a G1/2 port.
The external adjuster shortens the extend stroke on-site by up to 50 mm, giving a usable extend range of 125-175 mm. The nominal 175 mm stroke is the maximum, and the retract end is fixed. This mechanism sets the end position and is not a load lock.
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