Airtac SCJ32 Standard Cylinder SCJ32X100-50SN
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X100-50SN 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, 100mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke100 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X100-50SN
The SCJ32X100-50SN is a 32 mm bore double-acting single-rod cylinder with a rear-cap adjusting screw that provides up to 50 mm of field-adjustable stroke-end reduction. At 0.5 MPa it delivers 402 N push and 345 N pull, and its 12 mm rod and M10x1.25 rod thread suit light positioning and gauging tasks where the final stop position must be dialled in during commissioning.
This model is built with NBR seals for reliable operation in standard industrial air circuits, and the built-in -S magnet lets you clip CMSG/DMSG/EMSG sensors directly onto the tie-rod barrel for end-of-stroke sensing without extra brackets. The 21 mm air cushion at each end decelerates the piston quietly, and the PT1/8 ports keep the plumbing compact.
Airtac SCJ32 Standard Cylinder SCJ32X100-50SN Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X100-50SN |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 100 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 SCJ32X100-50SN
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 SCJ32X100-50SN Is Used
Commissioning & Setup
Dial in the exact end position of a 100 mm stroke actuator during machine build, using the 50 mm rear screw adjustment to compensate for bracket tolerances without re-machining.
Light Gauging Stop
Acts as an adjustable hard stop in a small test fixture, where the 402 N push force at 0.5 MPa sets a consistent reference point for a measurement probe.
Wear Take-Up
On a small diverter gate, the screw can be advanced over time to compensate for seal or bumper wear, keeping the gate flush with the conveyor rail without replacing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X100-50SN the Right Cylinder?
Choose the SCJ32 when you need to fine-tune a 100 mm nominal stroke by up to 50 mm without swapping the cylinder. If the 402 N push at 0.5 MPa is marginal, stepping up to the 40 mm bore gives 628 N push and the same -50 adjust option. For applications where the stroke never changes after setup, the fixed-stroke SC32X100-SN is a simpler, slightly shorter alternative. The replacement match is another SCJ32X100-50SN with PT ports, NBR seals and the magnet sensor 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 SCJ32X100-50SN FAQ
At 0.5 MPa the push force is 402 N and the pull force is 345 N. At the maximum operating pressure of 1.0 MPa the theoretical push force reaches 804 N.
Yes, if you need the stroke adjustability. The SCJ32X100-50SN shares the same 32 mm bore, 12 mm rod, PT1/8 ports and mounting footprint as the SC, but the rear adjusting screw adds length to the body (A dimension 182 mm plus the screw housing). Ensure you have clearance behind the rear cap.
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