Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-75S
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-75S 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 SGCJ125X150-75S
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 aluminum barrel for high rigidity. The G1/2 port feeds the 125 mm bore, generating a safe working load of about 3682 N, which translates to lifting roughly 313 kg vertically with a 2:1 margin.
The -75S code provides a built-in piston magnet for CMSG, DMSG, or EMSG sensors, plus an external adjuster that shortens the extend stroke on-site by up to 75 mm. You can fine-tune the end position from 75 to 150 mm without changing the cylinder itself, while the retract end remains fixed. The two-way piston seal and standard TPU material ensure long service life, with a Viton H option available for 0 to 150 C environments.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-75S Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-75S |
|---|---|
| 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 SGCJ125X150-75S
| 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 SGCJ125X150-75S Is Used
Press Stroke Tuning
Dial in the exact 75 to 150 mm extend contact point on a light-duty assembly press without machining new spacers.
Divertor Gate Adjustment
Fine-tune the extend reach of a sorting gate on-site to accommodate different package widths on the fly.
Pallet Stop Positioning
Set a precise stopping barrier for varying pallet sizes by adjusting the extend stroke up to 75 mm shorter than nominal.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X150-75S the Right Cylinder?
When sizing this unit, the neighboring 160 mm bore raises the 0.5 MPa push force to 10053 N for heavier demands, while smaller bores drop below the 6136 N offered here. The 75 mm adjustable window is ideal for sharing a single spare cylinder across multiple stroke variants or finalizing end positions during machine commissioning. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2 brackets. The included -S magnet supports CMSG/DMSG/EMSG switches for position sensing. Because the 150 mm stroke is relatively short, side-load stress is minimal, but any application over 500 mm requires an external guide to prevent rod 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 SGCJ125X150-75S FAQ
This 125 mm bore cylinder features a G1/2 port and a 32 mm rod. It delivers 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 on-site by up to 75 mm from the 150 mm nominal maximum, yielding a usable extend range of 75 to 150 mm. The retract end is fixed, and this mechanism only sets the end position; it does not lock the load.
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