Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-100S
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-100S 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 SGCJ125X175-100S
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 structural rigidity. The built-in magnet supports CMSG, DMSG and EMSG sensors for exact position feedback, while the G1/2 port matches the 125 mm bore standard. It handles a safe working load of about 3682 N, which translates to lifting roughly 313 kg vertically with a 2:1 margin.
The external adjuster allows you to shorten the extend stroke on-site by up to 100 mm, giving a usable range of 75 to 175 mm without changing the cylinder itself. The retract end remains fixed, and the 40 mm adjustable air cushions at both ends decelerate the piston smoothly. For high-temperature environments up to 150 C, you can specify the Viton H seal option instead of the standard TPU.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-100S Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-100S |
|---|---|
| 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 SGCJ125X175-100S
| 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 SGCJ125X175-100S Is Used
Press Fit Tuning
Dial in the exact 75 to 175 mm extend depth on-site to seat bearings without crushing housings, leveraging the 6136 N push force.
Divertor Stroke Adjust
Shorten the extend stroke by up to 100 mm to accommodate different package sizes on the line without swapping out the entire cylinder.
Vertical Lift Stops
Lift loads up to 313 kg with a 2:1 safety margin and use the external adjuster to set precise raise heights for various rack levels.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X175-100S the Right Cylinder?
When sizing this 125 mm bore unit, stepping down is not an option as it sits at the low edge of the SGCJ range, but stepping up to the 160 mm bore yields 10053 N of push force at 0.5 MPa if your application demands more power. The 100 mm adjustable window is ideal for fine-tuning end positions on-site or sharing a single spare cylinder across multiple stroke variants. Mounting options include FA, LB, TC, FTC, TCM1 and TCM2 brackets. The -S suffix confirms the piston magnet is present for CMSG, DMSG or EMSG switches. Because the nominal stroke is 175 mm, side-load guiding remains manageable, but always guide the rod to prevent binding.
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 SGCJ125X175-100S FAQ
This 125 mm bore cylinder features a G1/2 port and a 32 mm rod. It generates 6136 N push and 5734 N pull at 0.5 MPa, 8590 N push and 8028 N pull at 0.7 MPa, with a theoretical maximum of 1251 kgf at 1.0 MPa.
The external adjuster lets you shorten the extend stroke by up to 100 mm on-site, providing a usable extend range of 75 to 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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