Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20 is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 25mm 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
- Stroke25 mm
- Port sizeG1/2
- Acting typeDouble acting, adjustable stroke
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20
Delivering 6136 N of push force at 0.5 MPa, this ISO 15552 tie-rod cylinder brings large-bore power to short-stroke tasks. The four steel tie rods clamp the aluminium barrel securely to the covers, and the G1/2 port matches the 125 mm bore standard. It yields a safe working load of about 3682 N, which means you can vertically lift roughly 313 kg with a 2:1 safety margin.
The -20 code defines an external adjuster that shortens the extend stroke on site by up to 20 mm. Because the nominal 25 mm stroke is the maximum, your usable extend range is 5 to 25 mm, letting you fine-tune the end position without physically swapping the cylinder. The retract end remains fixed. This unit lacks the -S magnet option, so it cannot host CMSG, DMSG or EMSG sensors. For high-heat environments up to 150 C, you can specify the Viton H seal instead of the standard TPU.
Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20 Technical Specifications
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 25 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 SGCJ125X25-20
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×25 | 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 SGCJ125X25-20 Is Used
Short-Stroke Clamping
Exerts 6136 N of clamping force at 0.5 MPa, with the 20 mm adjuster allowing precise jaw closure tuning on the production line.
Press Fit Positioning
Dials in the exact 5 to 25 mm extend distance for seating bearings, preventing overtravel while delivering 8590 N at 0.7 MPa.
Ejector Pin Control
Provides a compact 125 mm bore ejection push, using the external stop screw to match varying product thicknesses without changing hardware.
Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20 the Right Cylinder?
When sizing this unit, stepping down is not an option as 125 mm is the smallest SGCJ bore, delivering 6136 N push at 0.5 MPa. If your application needs more power, the 160 mm bore offers 10053 N at the same pressure. The adjustable stroke is ideal for sharing a single spare across multiple short-stroke variants, as you can dial in the exact end position on the floor. You can mount it via FA, LB, TC, FTC, TCM1 or TCM2 brackets. Since this is a non-magnetized SKU, position sensing is impossible without switching to the -S variant. Even at a 25 mm stroke, ensure your guiding system handles potential side loads to prevent premature seal 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 SGCJ125X25-20 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.
The nominal 25 mm stroke is the maximum. The external adjuster lets you shorten the extend stroke on site by up to 20 mm, giving a usable extend range of 5 to 25 mm. The retract end is fixed. This mechanism only sets the end position and does not lock the load.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Made to Order
Large-bore cylinders built to order — confirm lead time.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SGC Cylinders
Request a Quote for Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X25-20
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.