
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X220-75S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 75 mm range without swapping the cylinder. Ø32mm bore, 220mm nominal stroke, PT1/8 ports and adjustable end cushioning.
The SCJ32X220-75S is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, providing a 75 mm adjustment range on its 220 mm nominal stroke. The rear-cap screw lets you fine-tune the extended position without swapping the cylinder, delivering 402 N of push force at 0.5 MPa and up to 724 N at the 0.9 MPa maximum operating pressure.
This model features a 12 mm diameter piston rod, PT1/8 ports, and an M10x1.25 rod thread for easy attachment. The built-in magnet allows direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for precise end-of-stroke or mid-stroke position feedback. Its 21 mm air cushion decelerates the piston quietly, and the body length A(SCJ) is 182 mm, making it a compact solution for commissioning trials and format changeovers.
| Model | Airtac SCJ32 Standard Cylinder SCJ32X220-75S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 220 mm |
| Stroke adjustment | Up to 75 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.
| 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.
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×220 | Nominal (maximum) stroke length in mm. |
| -75 | 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.
Fine-tune the end-stop position during machine commissioning without removing the cylinder, saving hours of mechanical rework on packaging or assembly lines.
Quickly adjust the stroke for different product sizes on a conveyor diverter or sorting gate, eliminating the need for multiple fixed-stroke cylinders in inventory.
Take up mechanical play or tooling wear over time by advancing the stroke end with the rear screw, maintaining consistent clamping or pressing force in jigs.
Choose the SCJ32X220-75S when you need to dial in a precise stroke end position during setup or after tooling wear. If your application requires more force, stepping up to the 40 mm bore SCJ40 series provides 628 N of push force at 0.5 MPa. For fixed-stroke applications where no field adjustment is needed, the standard SC32 series is a simpler, cost-effective alternative. This cylinder is a direct replacement for another AirTAC SCJ32 adjustable-stroke unit with a 220 mm nominal stroke, 75 mm adjust range, PT ports, basic mounting, and a magnet. For strokes over 300 mm, consider an external guide to protect the 12 mm rod from side-load bending.
Adjustable-stroke checklist
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. Because it is a single-rod cylinder, the push force is always greater than the pull force due to the rod area on the return side.
Yes, if you need the ability to adjust the stroke end. The SCJ32X220-75S matches the mounting footprint of an SC32 but adds a rear adjusting screw. Ensure the 75 mm adjustment range covers your variability needs. For a direct swap of a fixed-stroke unit, verify that the nominal 220 mm stroke and PT ports match your existing setup.
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