The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X25-10STC 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, 25mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X25-10STC is an 80 mm bore, double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end. A rear-cap adjusting screw provides a 10 mm range to fine-tune the stroke end position without removing the cylinder, making it ideal for commissioning and precise end-stop calibration. This model delivers 2513 N of push force at 0.5 MPa and is configured with a built-in magnet for sensor mounting and a centre trunnion (TC) for pivoting applications.
The 25 mm rod diameter and PT3/8 ports ensure robust flow and rigidity for short-stroke, high-cycle tasks. Its 28 mm air cushion decelerates the piston quietly at end-of-travel. This genuine AirTAC unit is a direct replacement for an existing SCJ80X25-10STC, matching bore, nominal stroke, adjustable range, trunnion mount, and magnet sensor capability.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X25-10STC |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 25 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. |
| ×25 | 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 adjusting screw allows operators to quickly dial in the exact retract or extend stop position during machine setup, compensating for small fixture or workpiece variations without reprogramming.
With its centre trunnion mount and 2513 N push force, this cylinder is suited for actuating swinging diverter gates on conveyors, where the stroke end can be fine-tuned to ensure a perfect seal or clearance.
Used in welding or assembly fixtures, the adjustable stroke lets you set a precise clamping depth. The built-in magnet allows for easy addition of CMSG/DMSG sensors to confirm clamp position.
Choose the SCJ80X25-10STC when you need to dial in a precise 25 mm maximum stroke with up to 10 mm of end-position adjustment on a pivoting mechanism. If the 2513 N push force at 0.5 MPa is insufficient, stepping up to the 100 mm bore provides 3927 N. For a simpler, fixed-stroke linear push without the need for adjustment, the standard SC80X25 is a more economical choice. This model is a direct form-fit replacement for an AirTAC SCJ80X25-10STC with a centre trunnion (F-SC80TC kit), magnet, and PT ports.
Adjustable-stroke checklist
At the standard 0.5 MPa operating pressure, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. The maximum push force at the 0.9 MPa operating limit is 4523 N. The adjusting screw changes only the stroke end position, not the force output.
Yes, this is a genuine AirTAC SCJ80X25-10STC. It is a direct dimensional and functional match for the same model code, including the 10 mm adjustable stroke range, centre trunnion (TC) mounting with the TCM1 bracket, built-in magnet for sensors, and PT port threads.
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