Airtac SCJ32 Standard Cylinder SCJ32X150-40S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X150-40S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 40 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-40 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X150-40S
The SCJ32X150-40S is a 32mm bore double-acting single-rod pneumatic cylinder with a field-adjustable stroke end, letting you fine-tune the 150mm nominal stroke by up to 40mm via a rear-cap adjusting screw. This model includes a built-in magnet (-S suffix), so CMSG/DMSG/EMSG reed and solid-state sensors clamp directly onto the tie-rod barrel for reliable end-of-stroke sensing without extra brackets.
At 0.5 MPa air pressure it delivers 402 N of push force and 345 N on the pull stroke, driven by a 12mm diameter piston rod with M10x1.25 male threads. The PT1/8 ports and 21mm air cushion make it a compact, easily controlled actuator for light-to-medium automation tasks where commissioning tweaks or format changes demand quick stroke adjustment on the machine.
Airtac SCJ32 Standard Cylinder SCJ32X150-40S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X150-40S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 150 mm |
| Stroke adjustment | Up to 40 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 SCJ32X150-40S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | Nominal (maximum) stroke length in mm. |
| -40 | 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 SCJ32X150-40S Is Used
Commissioning & Setup
Fine-tune the end position of a stopper or clamp during machine commissioning without swapping cylinders or machining external hard stops. The 40mm adjustment range covers most trial-and-error positioning needs.
Small Part Diverting
Adjust the stroke end of a diverter gate on a compact conveyor line to handle different product widths. The built-in magnet allows sensor confirmation of the gate position after each adjustment.
Wear Take-Up
Compensate for mechanical wear in a linkage or gripper jaw over time. Instead of re-shimming, the operator simply turns the rear screw to restore the precise stroke end point, reducing downtime.
Is the Airtac SCJ32 Standard Cylinder SCJ32X150-40S the Right Cylinder?
Choose the SCJ32 when you need a compact adjustable-stroke cylinder with up to 402 N of push force at 0.5 MPa. If your load requires more force, step up to the 40mm bore SCJ40 which provides 628 N push at the same pressure. For applications where the stroke is fixed and never needs field adjustment, the standard SC32 fixed-stroke cylinder is a simpler, lower-cost alternative.
To replace an existing SCJ32X150-40S, match the 32mm bore, 150mm nominal stroke, 40mm adjustment range, PT port thread, and built-in magnet. This cylinder uses a basic mount; if you need a pivoting motion, order the TC centre trunnion kit (F-SC32TC) separately. For strokes of 150mm, side-loading is generally manageable, but always align the rod with the load axis to maximise seal and bearing life.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-40)
- ✓ 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 SCJ32X150-40S FAQ
At the standard operating pressure of 0.5 MPa, the cylinder delivers 402 N of push force and 345 N of pull force. The maximum push force at 0.9 MPa is 724 N. The force is identical to the fixed-stroke SC32 because the adjustable screw only changes the stroke end position, not the piston area.
Yes, if you need the ability to adjust the stroke end. The SCJ32X150-40S has the same bore, port size (PT1/8), and rod thread (M10x1.25) as an SC32. Ensure the 40mm adjustment range and the slightly longer body length (182mm base length A) fit your machine envelope. The built-in magnet also requires you to use CMSG/DMSG/EMSG sensors if position feedback is needed.
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