The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X175-10 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø80mm bore, 175mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X175-10 brings 80 mm bore force to applications needing a 175 mm nominal stroke with a 10 mm field-adjustable range via the rear-cap screw. At 0.5 MPa it delivers 2513 N push and 2268 N pull, and at the maximum operating pressure of 0.9 MPa the push force reaches 4523 N — enough for medium transfer and clamping tasks where the end position must be dialled in precisely.
This double-acting, single-rod cylinder uses a 25 mm diameter rod, PT3/8 ports, and an M20x1.5 rod thread. The built-in variable air cushion (28 mm length) decelerates the piston quietly. The body length A(SCJ) is 239 mm, slightly longer than a fixed-stroke SC of the same bore to house the stroke-end adjusting mechanism.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X175-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 175 mm |
| Stroke adjustment | Up to 10 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×175 | Nominal (maximum) stroke length in mm. |
| -10 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
During machine commissioning, the 10 mm rear adjuster lets technicians fine-tune the end stop for sensor alignment or gripper pick-up points without re-machining brackets.
On packaging lines, the adjustable stroke compensates for different box heights or pallet sizes. A quick turn of the rear screw adapts the 175 mm stroke to a new format without downtime.
In pressing or clamping stations, the 10 mm adjustment range recovers the stroke end as tooling or pads wear, maintaining consistent contact force without replacing the actuator.
Choose the SCJ80X175-10 when you need to fine-tune the stroke end by up to 10 mm without swapping the cylinder. If the force is too high, step down to the 63 mm bore (1559 N push at 0.5 MPa); if you need more, the 100 mm bore offers 3927 N push. The adjustable stroke is a stroke-end set screw, not a force or speed control — pair it with a flow control valve for speed regulation. For a direct replacement, match an AirTAC SCJ cylinder with an 80 mm bore, 175 mm nominal stroke, 10 mm adjust range, PT ports, and basic mounting. If the load must not drift when air is exhausted, add an external rod lock or pilot-operated check valve, because the air cushion and adjuster do not hold position.
Adjustable-stroke checklist
Push force is 2513 N at 0.5 MPa, 3518 N at 0.7 MPa, and 4523 N at 0.9 MPa. Pull force is 2268 N at 0.5 MPa. These values match the standard single-rod SC cylinder of the same 80 mm bore because the adjusting screw does not alter the piston area.
Yes, if you need the 10 mm stroke-end adjustment. The SCJ80X175-10 shares the same bore, rod diameter, port size, and mounting footprint as the SC80. Ensure your mounting brackets match the SCJ subset (Basic, FA, LB, or TC) and the port thread is PT.
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