Airtac SCJ32 Standard Cylinder SCJ32X100-20H
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X100-20H 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 SCJ32X100-20H
The SCJ32X100-20H is a 32 mm bore double-acting single-rod cylinder with a rear adjusting screw, letting you fine-tune the stroke end by up to 20 mm without removing the unit. Its 12 mm rod and PT1/8 ports deliver 402 N of push force at 0.5 MPa, making it a compact workhorse for light automation tasks.
This model is fitted with Viton (FKM) seals, extending the operating temperature range to 0–150 °C for hot or aggressive environments. The tie-rod body has a length of 182 mm and an adjustable air cushion of 21 mm, ensuring smooth deceleration even when the stroke end position is altered on the fly.
Airtac SCJ32 Standard Cylinder SCJ32X100-20H Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X100-20H |
|---|---|
| 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 SCJ32X100-20H
| 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 SCJ32X100-20H Is Used
Commissioning Fine-Tuning
Dial in the exact stroke end position on a new assembly jig without fabricating shims or swapping cylinders, saving hours during machine bring-up.
Wear Take-Up on Stops
Compensate for mechanical wear on a conveyor diverter gate by incrementally adjusting the cylinder's end stop, maintaining precise alignment over time.
Format Changeover
Quickly adapt a small labelling head's throw distance for different product heights by turning the rear screw, avoiding mechanical stop changes.
Is the Airtac SCJ32 Standard Cylinder SCJ32X100-20H the Right Cylinder?
Choose this 32 mm bore when your load needs up to 402 N push at 0.5 MPa. If you require more force, step up to the 40 mm bore which provides 628 N push. The adjustable stroke is ideal for commissioning trials where the exact end position isn't finalised, but if your application demands a fixed, repeatable stroke with no risk of drift, a standard SC cylinder is a simpler choice. For direct replacement, match the SCJ32 bore, 100 mm nominal stroke, 20 mm adjust range, PT ports, and Viton seal code H.
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 SCJ32X100-20H FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa operating limit is 724 N.
Yes, if you need the 20 mm field-adjustable stroke end. The SCJ32X100-20H shares the same bore, rod size, and port threads as the SC32, but the body is slightly longer to accommodate the adjusting screw mechanism.
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