Airtac SCJ32 Standard Cylinder SCJ32X150-75S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X150-75S 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, 150mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke150 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X150-75S
The SCJ32X150-75S is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that provides a 75 mm field-adjustable stroke range. This lets you fine-tune the end position from the nominal 150 mm down to 75 mm without swapping the cylinder. With a 12 mm diameter piston rod and a push force of 402 N at 0.5 MPa, it is a compact solution for light-duty positioning tasks.
This model includes a built-in magnet, allowing you to mount CMSG, DMSG, or EMSG sensors directly on the tie-rod barrel for non-contact position feedback. The body length is 182 mm, and the cylinder features an adjustable air cushion of 21 mm to decelerate the piston smoothly. It uses a PT1/8 port and an M10x1.25 rod thread.
Airtac SCJ32 Standard Cylinder SCJ32X150-75S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X150-75S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 150 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac SCJ32 Standard Cylinder SCJ32X150-75S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | 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.
Where the Airtac SCJ32 Standard Cylinder SCJ32X150-75S Is Used
Commissioning & Setup
Ideal for automation stations where the final actuator position needs to be dialed in during initial machine bring-up, allowing technicians to fine-tune the 150 mm stroke down to 75 mm on the fly.
Light Part Stops
Acts as an adjustable end-stop on a small conveyor line, where the 75 mm adjustment range lets operators quickly change the stopping point for different product sizes without moving the cylinder.
Wear Compensation
Useful in clamping or pressing fixtures where the 402 N push force is sufficient, and the screw can be periodically adjusted to take up mechanical wear in the tooling, maintaining consistent contact.
Is the Airtac SCJ32 Standard Cylinder SCJ32X150-75S the Right Cylinder?
Choose the SCJ32X150-75S when you need to commission a 150 mm stroke and have the flexibility to shorten it by up to 75 mm on the machine. If your force requirement increases, stepping up to the 40 mm bore provides 628 N of push force at the same 0.5 MPa pressure. For applications where the stroke must be absolutely fixed and repeatable without any adjustment, the standard SC32X150 fixed-stroke cylinder is a more economical alternative. To replace this unit, match the 32 mm bore, 150 mm nominal stroke, 75 mm adjust range, PT1/8 thread, and the magnet-equipped suffix.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-75)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ32 Standard Cylinder SCJ32X150-75S FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N due to the 12 mm rod. The maximum push force at the 0.9 MPa operating limit is 724 N.
The rear cap has an adjusting screw that sets the stroke end. You can shorten the 150 mm nominal stroke by up to 75 mm. It does not change the cylinder's bore or force output.
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