Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X160-50S
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X160-50S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 160mm 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
- Stroke160 mm
- Port sizeG1/2
- Acting typeDouble acting, adjustable stroke
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X160-50S
Delivering 6136 N of push force at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder integrates a 50 mm external adjuster that shortens the extend stroke on site from the 160 mm maximum down to 110 mm. Four steel tie rods clamp the aluminum barrel to the covers for high structural rigidity, and the G1/2 port handles the 30-500 mm/s speed range. The built-in piston magnet supports CMSG, DMSG, and EMSG position switches.
Because the retract end remains fixed, technicians can fine-tune the extend end position without physically swapping the cylinder. This generates a safe working load of roughly 3682 N, translating to about 313 kg lifted vertically with a 2:1 margin. The default TPU seals offer long life across -20 to +70 C, while a Viton H option extends heat resistance up to 150 C.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X160-50S Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X160-50S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 160 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 SGCJ125X160-50S
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×160 | 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 SGCJ125X160-50S Is Used
Press Fit Tuning
Use the 50 mm extend adjuster to dial in the exact contact depth for pressing bearings without machining custom spacers.
Divertor Gate Stop
Set the precise extend position to deflect varying package sizes on a sorting line while relying on the 6136 N thrust.
Pallet Positioning
Adjust the extend stroke on site to accommodate different pallet widths before triggering the DMSG sensor for the clamp signal.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X160-50S the Right Cylinder?
When sizing this 125 mm bore unit against its neighbors, stepping down is not an option as it is the smallest in the SGCJ family, but stepping up to the 160 mm bore raises the 0.5 MPa push force to 10053 N. The 50 mm adjustable window is highly useful for sharing a single spare across multiple stroke variants or finalizing end positions during machine commissioning. It supports FA, LB, TC, FTC, TCM1, and TCM2 mountings. The included -S magnet permits CMSG or DMSG sensor mounting. Since the 160 mm stroke is well under the 500 mm threshold, side-load guide requirements are minimal, though external alignment is always recommended.
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 SGCJ125X160-50S 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. It uses a G1/2 air port and features a 40 mm adjustable air cushion at each end.
The nominal 160 mm stroke is the maximum extend length. An external stop screw allows you to shorten the usable extend stroke by up to 50 mm on site, giving a 110 to 160 mm range. The retract end is fixed. This mechanism only sets the end position; it does not lock the load, so you need an external rod lock or pilot-operated check valve to hold a load without live air.
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