The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X90-10 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, 90mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X90-10 is an 80 mm bore, double-acting, single-rod pneumatic cylinder with a nominal 90 mm stroke and a 10 mm adjustable range. The rear-cap screw lets you shorten the stroke end by up to 10 mm on the machine, making it a practical choice for commissioning trials or taking up small mechanical tolerances. At 0.5 MPa it delivers 2513 N push and 2268 N pull, with a 25 mm piston rod and PT3/8 ports.
This tie-rod cylinder uses an adjustable air cushion (28 mm long) to decelerate the piston near end-of-travel. The body length A is 239 mm. Operating pressure spans 0.15–1.0 MPa, and the standard TPU seal works from -20 to +70 °C. The 90 mm stroke is well within the 1500 mm maximum standard stroke for the 80 bore, so this is a stock-configuration unit.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X90-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 90 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. |
| ×90 | 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.
Adjust the screw to eliminate a small gap or compensate for seal wear in clamping fixtures, ensuring consistent contact without reprogramming the machine controller.
On a packaging line, quickly reset the stroke end by up to 10 mm when switching between product sizes, avoiding mechanical stop changes and reducing downtime.
During machine build, use the 10 mm adjustment range to empirically find the optimal actuator end position before locking it in, speeding up the development cycle.
Choose the SCJ80X90-10 when you need to dial in a precise end stop during setup or after tooling wear, without the cost and complexity of external hard stops. If 2513 N of push force is more than your application requires, stepping down to the 63 mm bore (1559 N push at 0.5 MPa) can reduce air consumption and physical size. For applications needing a fixed, non-adjustable stroke, the standard SC80X90 is a simpler alternative.
This model is a direct replacement for another AirTAC SCJ80X90-10 with PT threads and basic mounting. If you later need position sensing, order the -S magnet version and add a CMSG or DMSG sensor. For pivoting loads, the TC centre trunnion with the TCM1 bracket is the correct SCJ mounting accessory.
Adjustable-stroke checklist
At the standard 0.5 MPa operating pressure, the push force is 2513 N and the pull force is 2268 N (the difference is due to the single 25 mm rod). At the maximum operating pressure of 0.9 MPa, the push force reaches 4523 N.
Yes, the SCJ80X90-10 has the same bore, nominal stroke, and mounting footprint as the fixed-stroke SC80. The body is slightly longer to house the adjusting screw. Ensure the 10 mm adjustment range does not interfere with your machine's geometry at the retracted end.
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