The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X150-50 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 mm range without swapping the cylinder. Ø32mm bore, 150mm nominal stroke, PT1/8 ports and adjustable end cushioning.
The AirTAC SCJ32X150-50 is a 32 mm bore, double-acting single-rod cylinder with a maximum nominal stroke of 150 mm and a rear-cap adjusting screw that provides up to 50 mm of stroke-end reduction. This allows precise, on-machine fine-tuning of the piston stop position without removing the cylinder or adding external hard stops. The 12 mm diameter piston rod and PT1/8 port thread make it a compact choice for light automation tasks.
With a push force of 402 N at 0.5 MPa and a maximum push of 724 N at the 0.9 MPa operating limit, this cylinder handles clamping, ejecting, and diverting duties. The 21 mm air cushion at each end decelerates the piston smoothly, protecting end caps. The tie-rod construction is robust and serviceable, and the adjustable stroke is ideal for commissioning trials where the exact stroke length must be dialled in under real load and speed conditions.
| Model | Airtac SCJ32 Standard Cylinder SCJ32X150-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 150 mm |
| Stroke adjustment | Up to 50 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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, 21 mm |
| Max stroke | Up to 1000 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | Nominal (maximum) stroke length in mm. |
| -50 | 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 50 mm adjustment range lets technicians dial in the exact stroke end position during machine commissioning, compensating for small variations in tooling or workpiece placement without swapping the cylinder.
Used on packaging lines to push lightweight products off a conveyor. The adjustable stroke allows operators to fine-tune the pusher's end position for different box widths, all with the same cylinder.
In clamping or pressing fixtures, the screw can be advanced over time to take up mechanical wear on contact pads, maintaining consistent clamping force without reprogramming or adding shims.
Choose the SCJ32X150-50 when you need a compact, field-tunable stroke up to 150 mm. If your force requirement grows, stepping up to the 40 mm bore SCJ series provides 628 N of push at 0.5 MPa. For applications where the stroke is fixed and never needs field adjustment, the standard SC32X150 fixed-stroke cylinder is a simpler, cost-effective alternative. This SCJ model is a direct replacement for any AirTAC SCJ32 cylinder with a 150 mm nominal stroke, 50 mm adjust range, and PT ports. For strokes of 300 mm or more, consider an external guide rail or a guided cylinder to protect the 12 mm rod from side-load bending.
Adjustable-stroke checklist
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa operating limit is 724 N. Because it is a single-rod cylinder, the push force is always greater than the pull force due to the rod area on the return side.
Yes, provided the bore, port thread, and mounting match. The SCJ32X150-50 has a body length of 182 mm plus stroke, making it slightly longer than a fixed-stroke SC32. It replaces any AirTAC SCJ32 with a 150 mm nominal stroke and a 50 mm adjustment range, and it uses the same F-SC32 mounting accessories from the FA, LB, and TC families.
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