
The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X200-75S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 200mm 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.
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 structural rigidity. The built-in piston magnet supports CMSG, DMSG and EMSG sensors for precise end-position detection, while the G1/2 port handles the required airflow.
An external adjuster allows you to shorten the extend stroke on-site by up to 75 mm, meaning usable extension is 125 to 200 mm without changing the cylinder itself. This on-site tuning is ideal for dialing in final end positions. With a safe working load around 3682 N, it handles roughly 313 kg lifted vertically with a 2:1 margin. The default TPU seals offer long life, though Viton H extends operation to 150 C.
| Model | Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X200-75S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 200 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).
| 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.
| SGCJ | ISO 15552 tie-rod cylinder (adjustable-stroke type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×200 | 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.
Dial in the exact insertion depth of bearings on an assembly line by turning the external adjuster, shortening the 200 mm extend stroke by up to 75 mm without swapping cylinders.
Act as an adjustable end-stop for incoming pallets, allowing operators to fine-tune the stopping position on-site to accommodate different product lengths.
Lift and clamp loads up to 313 kg vertically with a 2:1 safety margin, using the magnet for position feedback while adjusting the extend reach to clear obstructions.
When sizing this 125 mm bore, stepping down is not an option as it is the smallest in the SGCJ family, but stepping up to the 160 mm bore increases push force to 10053 N at 0.5 MPa if your application demands more thrust. The 75 mm adjustable window is highly useful for sharing a single spare cylinder across multiple stroke variants or fine-tuning machine setups. Standard mountings include FA, LB, TC, FTC, TCM1 and TCM2. The -S suffix ensures compatibility with CMSG, DMSG and EMSG switches. Because the nominal stroke is 200 mm, side-load guides are recommended to prevent rod bending.
Quick checklist
At 0.5 MPa this cylinder pushes 6136 N and pulls 5734 N. At 0.7 MPa it pushes 8590 N and pulls 8028 N. The theoretical maximum force is 1251 kgf at 1.0 MPa.
The external stop screw lets you shorten the extend stroke on-site by up to 75 mm, giving a usable extension range of 125 to 200 mm. The nominal 200 mm stroke is the maximum, and the retract end remains fixed. This mechanism only sets the end position and does not lock the load.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Large-bore cylinders built to order — confirm lead time.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.