Airtac SCJ32 Standard Cylinder SCJ32X220-50S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X220-50S 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, 220mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke220 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X220-50S
The SCJ32X220-50S is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, letting you fine-tune the 220 mm nominal stroke by up to 50 mm using the rear-cap screw. With a 12 mm rod and M10x1.25 knuckle thread, it delivers 402 N of push force at 0.5 MPa and 724 N at 0.9 MPa, making it a compact workhorse for light positioning tasks.
Its built-in magnet allows CMSG/DMSG/EMSG sensors to clamp directly onto the tie-rod barrel for end-of-stroke detection without extra brackets. The PT1/8 ports and 21 mm air cushion keep cycle times smooth, while the 182 mm body length A fits neatly into tight machine envelopes.
Airtac SCJ32 Standard Cylinder SCJ32X220-50S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X220-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 220 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.
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 SCJ32X220-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×220 | 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.
Where the Airtac SCJ32 Standard Cylinder SCJ32X220-50S Is Used
Commissioning Fine-Tuning
Adjust the stroke end in 50 mm increments on a new assembly line to perfectly synchronize the cylinder's stop position with downstream tooling, eliminating the need to machine custom spacers.
Wear Take-Up on Stops
Compensate for gradual wear on a mechanical end-stop pad in a material handling gate by simply turning the rear adjusting screw to restore the original shut-off position.
Format Changeover
Quickly reset the stroke end for different product sizes on a labeling or packaging machine, reducing changeover time between batches without any cylinder disassembly.
Is the Airtac SCJ32 Standard Cylinder SCJ32X220-50S the Right Cylinder?
Choose the SCJ32X220-50S when you need to dial in a stroke end during commissioning or format changes without swapping the cylinder. If the 402 N push force at 0.5 MPa is marginal, stepping up to the SCJ40 series provides 628 N. For applications requiring a fixed, non-adjustable stroke, the standard SC32X220 is a simpler alternative. A direct replacement must match the 32 mm bore, 220 mm nominal stroke, 50 mm adjust range, PT ports, basic mount, and the -S magnet option.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ 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 SCJ32X220-50S FAQ
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, the push force reaches 724 N. The pull force is lower because the rod reduces the effective piston area on the return stroke.
Yes, provided the bore (32 mm), nominal stroke (220 mm), port thread (PT1/8), and mounting style match. The SCJ body is slightly longer to house the adjusting screw, so check the 182 mm body length A against your available space. You must also match the -S magnet option if your machine uses sensors.
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