Airtac SCJ32 Standard Cylinder SCJ32X275-50
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X275-50 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, 275mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke275 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X275-50
The SCJ32X275-50 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 reduction. This lets you dial in the exact end position during commissioning or changeover without replacing the cylinder or adding external hard stops. With a 12 mm diameter piston rod and PT1/8 ports, it delivers 402 N of push force at 0.5 MPa, making it a compact yet capable actuator for light positioning tasks.
At its maximum operating pressure of 0.9 MPa, the push force reaches 724 N. The body length A(SCJ) is 182 mm, and the adjustable air cushion helps decelerate the piston smoothly at the end of travel. This model is built with a standard TPU seal (rated -20 to +70 °C) and PT threads, and it accepts the SCJ mounting subset: basic, FA front flange, LB foot, or TC centre trunnion with TCM1 bracket.
Airtac SCJ32 Standard Cylinder SCJ32X275-50 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X275-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 275 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 SCJ32X275-50
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | 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 SCJ32X275-50 Is Used
Commissioning & Setup
The 50 mm adjusting screw lets technicians dial in the exact end-of-stroke position during machine commissioning, eliminating the need for custom spacer blocks or shims on light assembly fixtures.
Small Part Diverting
Use the adjustable stroke to fine-tune the retract position of a diverter gate on a compact conveyor. The 402 N push force at 0.5 MPa is well-suited for sorting small packages or electronic components.
Wear Compensation
In repetitive clamping or pressing operations, the stroke can be gradually extended via the rear screw to compensate for pad or tooling wear, maintaining consistent contact force without reprogramming the machine.
Is the Airtac SCJ32 Standard Cylinder SCJ32X275-50 the Right Cylinder?
Choose the SCJ32X275-50 when you need to fine-tune the stroke end position on a 32 mm bore platform. If your force requirement grows, stepping up to the 40 mm bore SCJ40 series provides 628 N of push force at the same 0.5 MPa. For applications that simply need a fixed 275 mm stroke with no field adjustment, the standard SC32X275 cylinder is a more economical choice. This SCJ model is a direct replacement for another AirTAC SCJ32X275-50 with matching PT ports and basic mounting. For strokes of 300 mm or more on this bore, consider an external guide rail or a guided cylinder to protect the 12 mm rod from side-load bending.
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 SCJ32X275-50 FAQ
At the standard operating pressure of 0.5 MPa, it generates 402 N of push force and 345 N of pull force. The push force increases to 724 N at the maximum operating pressure of 0.9 MPa.
Yes, this is a genuine AirTAC SCJ32X275-50 adjustable-stroke cylinder. It is a direct dimensional and performance match for any AirTAC SCJ32 with a 275 mm nominal stroke, 50 mm adjust range, PT ports, and basic mounting. Always verify your port thread and mounting style match.
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