The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X160-75 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 75 mm range without swapping the cylinder. Ø32mm bore, 160mm nominal stroke, PT1/8 ports and adjustable end cushioning.
The SCJ32X160-75 is a 32 mm bore double-acting single-rod cylinder with a rear adjusting screw that lets you shorten the stroke end by up to 75 mm without replacing the unit. At 0.5 MPa it delivers 402 N push and 345 N pull, making it a compact choice for light clamping, sorting gates, and small transfer mechanisms where the final stop position needs field tuning.
Its 12 mm diameter piston rod and PT1/8 ports keep the footprint small, while the 21 mm air cushion at each end protects the end caps during high-cycle operation. The body length A(SCJ) is 182 mm, slightly longer than a fixed-stroke SC of the same bore to house the adjustment mechanism.
| Model | Airtac SCJ32 Standard Cylinder SCJ32X160-75 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 160 mm |
| Stroke adjustment | Up to 75 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. |
| ×160 | Nominal (maximum) stroke length in mm. |
| -75 | 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.
Dial in the exact end-of-stroke position on a small pick-and-place unit during machine setup, using the 75 mm adjustment screw instead of shimming hard stops.
Quickly reset the push-off stroke on a mini conveyor diverter when switching between product widths, avoiding mechanical stop changes.
Take up mechanical play in a clamp jaw linkage over time by advancing the stroke end slightly, maintaining consistent grip force without replacing the cylinder.
Step up to the 40 mm bore (628 N push at 0.5 MPa) if your load exceeds the 32 mm bore's force budget, or downsize to a fixed-stroke SC32 if the stroke never changes after commissioning. For replacement, match an SCJ32 with 160 mm nominal stroke and 75 mm adjustment range, PT ports, and basic mounting. At 160 mm stroke the rod is well supported, but if side loads are present add an external guide rail.
Adjustable-stroke checklist
At 0.5 MPa the push force is 402 N and the pull force is 345 N. At the maximum operating pressure of 0.9 MPa, push reaches 724 N. The pull force is lower because the single rod reduces the piston area on the return side.
Yes, if you need field-adjustable stroke end positioning. The SCJ32X160-75 matches the bore, port size (PT1/8), and rod thread (M10x1.25) of an SC32, but the body is longer (182 mm) to accommodate the rear adjusting screw. Mounting accessories from the SCJ subset (FA, LB, TC) fit directly.
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