Airtac SCJ32 Standard Cylinder SCJ32X100-20S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X100-20S 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, 100mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke100 mm
- Stroke adjust-20 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X100-20S
The SCJ32X100-20S is a 32 mm bore double-acting, single-rod cylinder whose rear adjusting screw lets you fine-tune the stroke end by up to 20 mm without removing the cylinder from the machine. Its 12 mm rod generates 402 N of push force at 0.5 MPa, making it a compact workhorse for light positioning and gauging tasks.
This model includes a built-in magnet (-S suffix), so CMSG/DMSG/EMSG reed or solid-state sensors clamp directly onto the tie-rod barrel for non-contact position sensing. The body length A(SCJ) is 182 mm, the port is PT1/8, and the adjustable air cushion decelerates the piston smoothly at end of travel.
Airtac SCJ32 Standard Cylinder SCJ32X100-20S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X100-20S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 100 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 SCJ32X100-20S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 SCJ32X100-20S Is Used
Commissioning & Setup
The 20 mm rear screw lets technicians dial in the exact stroke end during machine commissioning without swapping cylinders or machining hard stops, speeding up line start-up.
Sensor-Ready Positioning
With the built-in magnet, CMSG/DMSG sensors mount directly on the barrel for precise end-of-stroke detection in pick-and-place or diverting stations.
Wear Take-Up on Stops
In light material handling, the adjustable stroke compensates for wear on tooling or bumpers over time, maintaining consistent part placement without mechanical rework.
Is the Airtac SCJ32 Standard Cylinder SCJ32X100-20S the Right Cylinder?
Choose the SCJ32 when you need a compact adjustable-stroke cylinder with a 20 mm tuning window. If your force requirement grows, step up to the 40 mm bore SCJ40, which delivers 628 N push at the same 0.5 MPa pressure. For applications where the stroke never needs field adjustment, the simpler fixed-stroke SC32 is a lower-cost alternative.
This SCJ32X100-20S is a direct replacement for any AirTAC SCJ32 cylinder with a 100 mm nominal stroke, 20 mm adjust range, PT1/8 ports, basic mounting, and a magnet. If the 100 mm stroke creates a cantilevered load, add an external guide rail or switch to a guided cylinder to protect the rod bearing from side forces.
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 SCJ32X100-20S FAQ
At 0.5 MPa, it delivers 402 N pushing and 345 N pulling. The maximum push force at 0.9 MPa is 724 N. Because it is a single-rod cylinder, the pull force is always lower due to the rod area.
Yes, if you need field-adjustable stroke. The SCJ32X100-20S matches the SC32's 32 mm bore, 100 mm nominal stroke, and PT1/8 ports. The rear adjusting screw adds a 20 mm adjustment range, and the built-in magnet provides sensor compatibility that a basic SC32 lacks.
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