The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X200-10 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, 200mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X200-10 is an 80 mm bore, double-acting single-rod pneumatic cylinder with a 200 mm nominal stroke and a rear-cap adjusting screw that provides a 10 mm field-adjustable stroke-end range. This lets you fine-tune the piston stop position without removing the cylinder, ideal for commissioning trials or compensating for minor machine wear. With a 25 mm diameter piston rod and PT3/8 ports, it delivers a substantial 2513 N of push force at 0.5 MPa, scaling up to 4523 N at the maximum operating pressure of 0.9 MPa.
Built on the rugged SC tie-rod platform, this cylinder includes an adjustable air cushion for smooth deceleration and a body length of 239 mm. The standard TPU seals offer reliable performance from -20 to +70 °C. This basic configuration comes without a magnet or mounting bracket, giving you a clean, cost-effective unit ready for direct integration into your machine frame.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X200-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 200 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. |
| ×200 | 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.
The 10 mm adjustment screw allows operators to dial in the exact stroke end position during machine setup, ensuring perfect alignment with tooling or fixtures without needing to shim the cylinder mounts.
In material handling pushers or stoppers, the adjustable stroke can be used to take up mechanical play or wear in linkages over time, maintaining consistent part positioning without replacing components.
Quickly adapt the cylinder's stroke for different product sizes on a packaging or assembly line. The rear screw adjustment is far faster than swapping out a fixed-stroke cylinder for each format change.
Choosing the right bore depends on your force budget. If the 2513 N push force at 0.5 MPa is more than you need, stepping down to the 63 mm bore (1559 N) can reduce air consumption and physical size. For applications requiring significantly more force, the 100 mm bore SCJ provides 3927 N at the same pressure. Always confirm that your available plant air pressure can meet the force requirement.
For a direct replacement, match the 80 mm bore, 200 mm nominal stroke, and the 10 mm adjustment range (-10). Ensure the port thread is PT and the mounting style is basic. If your application involves a long stroke or a side load, consider adding an external guide rail or switching to a guided cylinder to protect the rod bearing from bending moments. If you do not need stroke adjustability, the fixed-stroke SC80X200 is a simpler alternative.
Adjustable-stroke checklist
At 0.5 MPa, the push force is 2513 N and the pull force is 2268 N. The pull force is lower because the 25 mm piston rod reduces the effective piston area on the return stroke. At the maximum operating pressure of 0.9 MPa, the push force reaches 4523 N.
Not directly. The SCJ has a rear adjusting screw that makes its overall body length longer than a fixed-stroke SC of the same bore and stroke. You should only replace an existing SCJ adjustable-stroke cylinder, matching the 80 mm bore, 200 mm nominal stroke, and 10 mm adjustment range.
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