Airtac SCJ32 Standard Cylinder SCJ32X600-20S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X600-20S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 20 mm range without swapping the cylinder. Ø32mm bore, 600mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke600 mm
- Stroke adjust-20 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X600-20S
The SCJ32X600-20S is a double-acting, single-rod pneumatic cylinder from AirTAC, featuring a rear-cap adjusting screw that provides 20 mm of field-adjustable stroke end positioning. This allows for fine-tuning the 600 mm nominal stroke without replacing the cylinder, ideal for commissioning and format changes. It delivers 402 N of push force at 0.5 MPa and is equipped with a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors.
This 32 mm bore model uses a 12 mm diameter piston rod and PT1/8 ports, with a tie-rod construction that is not dimensionally interchangeable with ISO 15552. The cylinder body length (A dimension) is 182 mm, and it includes an adjustable air cushion for smooth deceleration. The standard operating temperature range is -20 to +70 °C.
Airtac SCJ32 Standard Cylinder SCJ32X600-20S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X600-20S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 600 mm |
| Stroke adjustment | Up to 20 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 SCJ32X600-20S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×600 | Nominal (maximum) stroke length in mm. |
| -20 | 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 SCJ32X600-20S Is Used
End-Stop Calibration
Fine-tune the retract stroke end position during machine commissioning to perfectly align with a fixture or stop, compensating for minor assembly tolerances without shims.
Product Format Changeover
Quickly adjust the cylinder stroke for different product sizes on a packaging line, reducing downtime between batches by simply turning the rear screw.
Wear Compensation
Take up mechanical play or seal wear over time in a clamping or pressing application, maintaining consistent force application without replacing the actuator.
Is the Airtac SCJ32 Standard Cylinder SCJ32X600-20S the Right Cylinder?
Select the SCJ32X600-20S when your application requires a 600 mm stroke with the ability to precisely dial back the end position by up to 20 mm in the field. If the 402 N push force at 0.5 MPa is insufficient, stepping up to the SCJ40 bore provides 628 N of push force. For applications needing a fixed, non-adjustable stroke, the standard SC series is a more economical choice.
For a direct replacement, match this model's 32 mm bore, 600 mm nominal stroke, 20 mm adjustable range, PT port thread, and built-in magnet. At this stroke length, be mindful of potential rod bending under high side loads; an external guide or switching to a guided cylinder is recommended if the load is not perfectly axial.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-20)
- ✓ 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 SCJ32X600-20S FAQ
At the standard 0.5 MPa operating pressure, it delivers 402 N of push force and 345 N of pull force. The maximum push force at 0.9 MPa is 724 N. The pull force is lower due to the area of the 12 mm piston rod.
Yes, provided the bore, nominal stroke, and port thread (PT) match. The SCJ32X600-20S has a slightly longer body to house the adjusting screw, so ensure you have clearance. The built-in magnet (S) must also be matched if you are using sensors.
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